"""Provides methods to configure the Obw measurement."""
import functools
import nirfmxspecan.attributes as attributes
import nirfmxspecan.enums as enums
import nirfmxspecan.errors as errors
import nirfmxspecan.internal._helper as _helper
def _raise_if_disposed(f):
"""From https://stackoverflow.com/questions/5929107/decorators-with-parameters."""
@functools.wraps(f)
def aux(*xs, **kws):
meas_obj = xs[0] # parameter 0 is 'self' which is the measurement object
if meas_obj._signal_obj.is_disposed:
raise Exception("Cannot access a disposed SpecAn signal configuration")
return f(*xs, **kws)
return aux
[docs]
class ObwConfiguration(object):
"""Provides methods to configure the Obw measurement."""
def __init__(self, signal_obj):
"""Provides methods to configure the Obw measurement."""
self._signal_obj = signal_obj
self._session_function_lock = signal_obj._session_function_lock
self._interpreter = signal_obj._interpreter
[docs]
@_raise_if_disposed
def get_measurement_enabled(self, selector_string):
r"""Gets whether to enable OBW measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (bool):
Specifies whether to enable OBW measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_MEASUREMENT_ENABLED.value
)
attr_val = bool(attr_val)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_measurement_enabled(self, selector_string, value):
r"""Sets whether to enable OBW measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
value (bool):
Specifies whether to enable OBW measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_MEASUREMENT_ENABLED.value,
int(value),
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_span(self, selector_string):
r"""Gets the frequency range around the center frequency, to acquire for the measurement. This value is expressed in
Hz.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1 MHz.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Specifies the frequency range around the center frequency, to acquire for the measurement. This value is expressed in
Hz.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_SPAN.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_span(self, selector_string, value):
r"""Sets the frequency range around the center frequency, to acquire for the measurement. This value is expressed in
Hz.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1 MHz.
Args:
selector_string (string):
Pass an empty string.
value (float):
Specifies the frequency range around the center frequency, to acquire for the measurement. This value is expressed in
Hz.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_SPAN.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_bandwidth_percentage(self, selector_string):
r"""Gets the percentage of the total power that is contained in the OBW.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 99%.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Specifies the percentage of the total power that is contained in the OBW.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_BANDWIDTH_PERCENTAGE.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_bandwidth_percentage(self, selector_string, value):
r"""Sets the percentage of the total power that is contained in the OBW.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 99%.
Args:
selector_string (string):
Pass an empty string.
value (float):
Specifies the percentage of the total power that is contained in the OBW.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_f64(
updated_selector_string,
attributes.AttributeID.OBW_BANDWIDTH_PERCENTAGE.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_power_units(self, selector_string):
r"""Gets the units for the absolute power.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **dBm**.
+--------------+---------------------------------------------+
| Name (Value) | Description |
+==============+=============================================+
| dBm (0) | The absolute powers are reported in dBm. |
+--------------+---------------------------------------------+
| dBm/Hz (1) | The absolute powers are reported in dBm/Hz. |
+--------------+---------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwPowerUnits):
Specifies the units for the absolute power.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_POWER_UNITS.value
)
attr_val = enums.ObwPowerUnits(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_power_units(self, selector_string, value):
r"""Sets the units for the absolute power.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **dBm**.
+--------------+---------------------------------------------+
| Name (Value) | Description |
+==============+=============================================+
| dBm (0) | The absolute powers are reported in dBm. |
+--------------+---------------------------------------------+
| dBm/Hz (1) | The absolute powers are reported in dBm/Hz. |
+--------------+---------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwPowerUnits, int):
Specifies the units for the absolute power.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwPowerUnits else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_POWER_UNITS.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_rbw_filter_auto_bandwidth(self, selector_string):
r"""Gets whether the measurement computes the resolution bandwidth (RBW).
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+-------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=========================================================================+
| False (0) | The measurement uses the RBW that you specify in the OBW RBW attribute. |
+--------------+-------------------------------------------------------------------------+
| True (1) | The measurement computes the RBW. |
+--------------+-------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwRbwAutoBandwidth):
Specifies whether the measurement computes the resolution bandwidth (RBW).
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_RBW_FILTER_AUTO_BANDWIDTH.value
)
attr_val = enums.ObwRbwAutoBandwidth(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_rbw_filter_auto_bandwidth(self, selector_string, value):
r"""Sets whether the measurement computes the resolution bandwidth (RBW).
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+-------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=========================================================================+
| False (0) | The measurement uses the RBW that you specify in the OBW RBW attribute. |
+--------------+-------------------------------------------------------------------------+
| True (1) | The measurement computes the RBW. |
+--------------+-------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwRbwAutoBandwidth, int):
Specifies whether the measurement computes the resolution bandwidth (RBW).
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwRbwAutoBandwidth else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_RBW_FILTER_AUTO_BANDWIDTH.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_rbw_filter_bandwidth(self, selector_string):
r"""Gets the bandwidth of the resolution bandwidth (RBW) filter used to sweep the acquired signal, when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_AUTO_BANDWIDTH` attribute to **False**. This value is
expressed in Hz.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10 kHz.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Specifies the bandwidth of the resolution bandwidth (RBW) filter used to sweep the acquired signal, when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_AUTO_BANDWIDTH` attribute to **False**. This value is
expressed in Hz.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_RBW_FILTER_BANDWIDTH.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_rbw_filter_bandwidth(self, selector_string, value):
r"""Sets the bandwidth of the resolution bandwidth (RBW) filter used to sweep the acquired signal, when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_AUTO_BANDWIDTH` attribute to **False**. This value is
expressed in Hz.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10 kHz.
Args:
selector_string (string):
Pass an empty string.
value (float):
Specifies the bandwidth of the resolution bandwidth (RBW) filter used to sweep the acquired signal, when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_AUTO_BANDWIDTH` attribute to **False**. This value is
expressed in Hz.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_f64(
updated_selector_string,
attributes.AttributeID.OBW_RBW_FILTER_BANDWIDTH.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_rbw_filter_type(self, selector_string):
r"""Gets the shape of the digital resolution bandwidth (RBW) filter.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Gaussian**.
+---------------+-----------------------------------------+
| Name (Value) | Description |
+===============+=========================================+
| FFT Based (0) | No RBW filtering is performed. |
+---------------+-----------------------------------------+
| Gaussian (1) | The RBW filter has a Gaussian response. |
+---------------+-----------------------------------------+
| Flat (2) | The RBW filter |
| | has a flat response. |
+---------------+-----------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwRbwFilterType):
Specifies the shape of the digital resolution bandwidth (RBW) filter.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_RBW_FILTER_TYPE.value
)
attr_val = enums.ObwRbwFilterType(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_rbw_filter_type(self, selector_string, value):
r"""Sets the shape of the digital resolution bandwidth (RBW) filter.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Gaussian**.
+---------------+-----------------------------------------+
| Name (Value) | Description |
+===============+=========================================+
| FFT Based (0) | No RBW filtering is performed. |
+---------------+-----------------------------------------+
| Gaussian (1) | The RBW filter has a Gaussian response. |
+---------------+-----------------------------------------+
| Flat (2) | The RBW filter |
| | has a flat response. |
+---------------+-----------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwRbwFilterType, int):
Specifies the shape of the digital resolution bandwidth (RBW) filter.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwRbwFilterType else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_RBW_FILTER_TYPE.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_rbw_filter_bandwidth_definition(self, selector_string):
r"""Gets the bandwidth definition that you use to specify the value of the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_BANDWIDTH` attribute.
The default value is **3dB**.
+---------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+===============+==========================================================================================================================+
| 3dB (0) | Defines the RBW in terms of the 3 dB bandwidth of the RBW filter. When you set the OBW RBW Filter Type attribute to FFT |
| | Based, RBW is the 3 dB bandwidth of the window specified by the OBW FFT Window attribute. |
+---------------+--------------------------------------------------------------------------------------------------------------------------+
| Bin Width (2) | Defines the RBW in terms of the spectrum bin width computed using an FFT when you set the OBW RBW Filter Type attribute |
| | to FFT Based. |
+---------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwRbwFilterBandwidthDefinition):
Specifies the bandwidth definition that you use to specify the value of the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_BANDWIDTH` attribute.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_RBW_FILTER_BANDWIDTH_DEFINITION.value,
)
attr_val = enums.ObwRbwFilterBandwidthDefinition(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_rbw_filter_bandwidth_definition(self, selector_string, value):
r"""Sets the bandwidth definition that you use to specify the value of the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_BANDWIDTH` attribute.
The default value is **3dB**.
+---------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+===============+==========================================================================================================================+
| 3dB (0) | Defines the RBW in terms of the 3 dB bandwidth of the RBW filter. When you set the OBW RBW Filter Type attribute to FFT |
| | Based, RBW is the 3 dB bandwidth of the window specified by the OBW FFT Window attribute. |
+---------------+--------------------------------------------------------------------------------------------------------------------------+
| Bin Width (2) | Defines the RBW in terms of the spectrum bin width computed using an FFT when you set the OBW RBW Filter Type attribute |
| | to FFT Based. |
+---------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwRbwFilterBandwidthDefinition, int):
Specifies the bandwidth definition that you use to specify the value of the
:py:attr:`~nirfmxspecan.attributes.AttributeID.RBW_FILTER_BANDWIDTH` attribute.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwRbwFilterBandwidthDefinition else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_RBW_FILTER_BANDWIDTH_DEFINITION.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_sweep_time_auto(self, selector_string):
r"""Gets whether the measurement computes the sweep time.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+----------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+========================================================================================+
| False (0) | The measurement uses the sweep time that you specify in the OBW Sweep Time attribute. |
+--------------+----------------------------------------------------------------------------------------+
| True (1) | The measurement calculates the sweep time based on the value of the OBW RBW attribute. |
+--------------+----------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwSweepTimeAuto):
Specifies whether the measurement computes the sweep time.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_SWEEP_TIME_AUTO.value
)
attr_val = enums.ObwSweepTimeAuto(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_sweep_time_auto(self, selector_string, value):
r"""Sets whether the measurement computes the sweep time.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+----------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+========================================================================================+
| False (0) | The measurement uses the sweep time that you specify in the OBW Sweep Time attribute. |
+--------------+----------------------------------------------------------------------------------------+
| True (1) | The measurement calculates the sweep time based on the value of the OBW RBW attribute. |
+--------------+----------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwSweepTimeAuto, int):
Specifies whether the measurement computes the sweep time.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwSweepTimeAuto else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_SWEEP_TIME_AUTO.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_sweep_time_interval(self, selector_string):
r"""Gets the sweep time when you set the :py:attr:`~nirfmxspecan.attributes.AttributeID.SWEEP_TIME_AUTO` attribute to
**False**. This value is expressed in seconds.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 0.001.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Specifies the sweep time when you set the :py:attr:`~nirfmxspecan.attributes.AttributeID.SWEEP_TIME_AUTO` attribute to
**False**. This value is expressed in seconds.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_SWEEP_TIME_INTERVAL.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_sweep_time_interval(self, selector_string, value):
r"""Sets the sweep time when you set the :py:attr:`~nirfmxspecan.attributes.AttributeID.SWEEP_TIME_AUTO` attribute to
**False**. This value is expressed in seconds.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 0.001.
Args:
selector_string (string):
Pass an empty string.
value (float):
Specifies the sweep time when you set the :py:attr:`~nirfmxspecan.attributes.AttributeID.SWEEP_TIME_AUTO` attribute to
**False**. This value is expressed in seconds.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_SWEEP_TIME_INTERVAL.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_enabled(self, selector_string):
r"""Gets whether to enable averaging for the OBW measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **False**.
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+==========================================================================================================================+
| False (0) | The measurement is performed on a single acquisition. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| True (1) | The OBW measurement uses the OBW Averaging Count attribute as the number of acquisitions over which the OBW measurement |
| | is averaged. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwAveragingEnabled):
Specifies whether to enable averaging for the OBW measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_ENABLED.value
)
attr_val = enums.ObwAveragingEnabled(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_enabled(self, selector_string, value):
r"""Sets whether to enable averaging for the OBW measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **False**.
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+==========================================================================================================================+
| False (0) | The measurement is performed on a single acquisition. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| True (1) | The OBW measurement uses the OBW Averaging Count attribute as the number of acquisitions over which the OBW measurement |
| | is averaged. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwAveragingEnabled, int):
Specifies whether to enable averaging for the OBW measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwAveragingEnabled else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_ENABLED.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_count(self, selector_string):
r"""Gets the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.AVERAGING_ENABLED` attribute to **True**.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (int):
Specifies the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.AVERAGING_ENABLED` attribute to **True**.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_COUNT.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_count(self, selector_string, value):
r"""Sets the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.AVERAGING_ENABLED` attribute to **True**.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10.
Args:
selector_string (string):
Pass an empty string.
value (int):
Specifies the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxspecan.attributes.AttributeID.AVERAGING_ENABLED` attribute to **True**.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_COUNT.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_type(self, selector_string):
r"""Gets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for OBW
measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RMS**.
+--------------+-------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=============================================================================================================+
| RMS (0) | The power spectrum is linearly averaged. RMS averaging reduces signal fluctuations but not the noise floor. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Log (1) | The power spectrum is averaged in a logarithmic scale. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Scalar (2) | The square root of the power spectrum is averaged. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Max (3) | The peak power in the spectrum at each frequency bin is retained from one acquisition to the next. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Min (4) | The least power in the spectrum at each frequency bin is retained from one acquisition to the next. |
+--------------+-------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwAveragingType):
Specifies the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for OBW
measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_TYPE.value
)
attr_val = enums.ObwAveragingType(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_type(self, selector_string, value):
r"""Sets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for OBW
measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RMS**.
+--------------+-------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=============================================================================================================+
| RMS (0) | The power spectrum is linearly averaged. RMS averaging reduces signal fluctuations but not the noise floor. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Log (1) | The power spectrum is averaged in a logarithmic scale. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Scalar (2) | The square root of the power spectrum is averaged. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Max (3) | The peak power in the spectrum at each frequency bin is retained from one acquisition to the next. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Min (4) | The least power in the spectrum at each frequency bin is retained from one acquisition to the next. |
+--------------+-------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwAveragingType, int):
Specifies the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for OBW
measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwAveragingType else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AVERAGING_TYPE.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_fft_window(self, selector_string):
r"""Gets the FFT window type to use to reduce spectral leakage.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Flat Top**.
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+=====================+==========================================================================================================================+
| None (0) | Analyzes transients for which duration is shorter than the window length. You can also use this window type to separate |
| | two tones with frequencies close to each other but with almost equal amplitudes. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Flat Top (1) | Measures single-tone amplitudes accurately. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Hanning (2) | Analyzes transients for which duration is longer than the window length. You can also use this window type to provide |
| | better frequency resolution for noise measurements. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Hamming (3) | Analyzes closely-spaced sine waves. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Gaussian (4) | Provides a good balance of spectral leakage, frequency resolution, and amplitude attenuation. Hence, this windowing is |
| | useful for time-frequency analysis. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Blackman (5) | Analyzes single tone because it has a low maximum side lobe level and a high side lobe roll-off rate. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Blackman-Harris (6) | Useful as a good general purpose window, having side lobe rejection greater than 90 dB and having a moderately wide |
| | main lobe. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Kaiser-Bessel (7) | Separates two tones with frequencies close to each other but with widely-differing amplitudes. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwFftWindow):
Specifies the FFT window type to use to reduce spectral leakage.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_FFT_WINDOW.value
)
attr_val = enums.ObwFftWindow(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_fft_window(self, selector_string, value):
r"""Sets the FFT window type to use to reduce spectral leakage.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Flat Top**.
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+=====================+==========================================================================================================================+
| None (0) | Analyzes transients for which duration is shorter than the window length. You can also use this window type to separate |
| | two tones with frequencies close to each other but with almost equal amplitudes. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Flat Top (1) | Measures single-tone amplitudes accurately. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Hanning (2) | Analyzes transients for which duration is longer than the window length. You can also use this window type to provide |
| | better frequency resolution for noise measurements. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Hamming (3) | Analyzes closely-spaced sine waves. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Gaussian (4) | Provides a good balance of spectral leakage, frequency resolution, and amplitude attenuation. Hence, this windowing is |
| | useful for time-frequency analysis. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Blackman (5) | Analyzes single tone because it has a low maximum side lobe level and a high side lobe roll-off rate. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Blackman-Harris (6) | Useful as a good general purpose window, having side lobe rejection greater than 90 dB and having a moderately wide |
| | main lobe. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
| Kaiser-Bessel (7) | Separates two tones with frequencies close to each other but with widely-differing amplitudes. |
+---------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwFftWindow, int):
Specifies the FFT window type to use to reduce spectral leakage.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwFftWindow else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_FFT_WINDOW.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_fft_padding(self, selector_string):
r"""Gets the factor by which the time-domain waveform is zero-padded before fast Fourier transform (FFT). The FFT size
is given by the following formula:
waveform size * padding
This attribute is used only when the acquisition span is less than the device instantaneous bandwidth of the
device.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is -1.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Specifies the factor by which the time-domain waveform is zero-padded before fast Fourier transform (FFT). The FFT size
is given by the following formula:
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_FFT_PADDING.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_fft_padding(self, selector_string, value):
r"""Sets the factor by which the time-domain waveform is zero-padded before fast Fourier transform (FFT). The FFT size
is given by the following formula:
waveform size * padding
This attribute is used only when the acquisition span is less than the device instantaneous bandwidth of the
device.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is -1.
Args:
selector_string (string):
Pass an empty string.
value (float):
Specifies the factor by which the time-domain waveform is zero-padded before fast Fourier transform (FFT). The FFT size
is given by the following formula:
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_f64(
updated_selector_string, attributes.AttributeID.OBW_FFT_PADDING.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_amplitude_correction_type(self, selector_string):
r"""Gets whether the amplitude of the frequency bins, used in the measurement, is corrected for external attenuation
at the RF center frequency, or at the individual frequency bins. Use the
:py:meth:`nirfmxinstr.session.Session.configure_external_attenuation_table` method to configure the external
attenuation table.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RF Center Frequency**.
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+============================+==========================================================================================================================+
| RF Center Frequency (0) | All the frequency bins in the spectrum are compensated with a single external attenuation value that corresponds to the |
| | RF center frequency. |
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
| Spectrum Frequency Bin (1) | An individual frequency bin in the spectrum is compensated with the external attenuation value corresponding to that |
| | frequency. |
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.ObwAmplitudeCorrectionType):
Specifies whether the amplitude of the frequency bins, used in the measurement, is corrected for external attenuation
at the RF center frequency, or at the individual frequency bins. Use the
:py:meth:`nirfmxinstr.session.Session.configure_external_attenuation_table` method to configure the external
attenuation table.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_AMPLITUDE_CORRECTION_TYPE.value
)
attr_val = enums.ObwAmplitudeCorrectionType(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_amplitude_correction_type(self, selector_string, value):
r"""Sets whether the amplitude of the frequency bins, used in the measurement, is corrected for external attenuation
at the RF center frequency, or at the individual frequency bins. Use the
:py:meth:`nirfmxinstr.session.Session.configure_external_attenuation_table` method to configure the external
attenuation table.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RF Center Frequency**.
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+============================+==========================================================================================================================+
| RF Center Frequency (0) | All the frequency bins in the spectrum are compensated with a single external attenuation value that corresponds to the |
| | RF center frequency. |
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
| Spectrum Frequency Bin (1) | An individual frequency bin in the spectrum is compensated with the external attenuation value corresponding to that |
| | frequency. |
+----------------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.ObwAmplitudeCorrectionType, int):
Specifies whether the amplitude of the frequency bins, used in the measurement, is corrected for external attenuation
at the RF center frequency, or at the individual frequency bins. Use the
:py:meth:`nirfmxinstr.session.Session.configure_external_attenuation_table` method to configure the external
attenuation table.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.ObwAmplitudeCorrectionType else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_AMPLITUDE_CORRECTION_TYPE.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_all_traces_enabled(self, selector_string):
r"""Gets whether to enable the traces to be stored and retrieved after performing the OBW.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (bool):
Specifies whether to enable the traces to be stored and retrieved after performing the OBW.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_ALL_TRACES_ENABLED.value
)
attr_val = bool(attr_val)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_all_traces_enabled(self, selector_string, value):
r"""Sets whether to enable the traces to be stored and retrieved after performing the OBW.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
value (bool):
Specifies whether to enable the traces to be stored and retrieved after performing the OBW.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_ALL_TRACES_ENABLED.value,
int(value),
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_number_of_analysis_threads(self, selector_string):
r"""Gets the maximum number of threads used for parallelism for the OBW measurement.
The number of threads can range from 1 to the number of physical cores. The number of threads you set may not
be used in calculations. The actual number of threads used depends on the problem size, system resources, data
availability, and other considerations.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (int):
Specifies the maximum number of threads used for parallelism for the OBW measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.OBW_NUMBER_OF_ANALYSIS_THREADS.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_number_of_analysis_threads(self, selector_string, value):
r"""Sets the maximum number of threads used for parallelism for the OBW measurement.
The number of threads can range from 1 to the number of physical cores. The number of threads you set may not
be used in calculations. The actual number of threads used depends on the problem size, system resources, data
availability, and other considerations.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1.
Args:
selector_string (string):
Pass an empty string.
value (int):
Specifies the maximum number of threads used for parallelism for the OBW measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.OBW_NUMBER_OF_ANALYSIS_THREADS.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code