RFmxSpecAnMXSemConfiguration Class
- Updated2025-10-13
- 10 minute(s) read
Provides methods to configure the SEM measurement.
Derives from
Syntax
Namespace: NationalInstruments.RFmx.SpecAnMX
public class RFmxSpecAnMXSemConfiguration : RFmxSpecAnMXSubObject
Remarks
For more information about RFmx SpecAn, refer to the RFmx SpecAn Help.
Thread Safety
Any public static members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Methods
| Name | Description |
|---|---|
| ConfigureAveraging(string, RFmxSpecAnMXSemAveragingEnabled, int, RFmxSpecAnMXSemAveragingType) | Configures averaging for the spectral emission mask (SEM) measurement. |
| ConfigureCarrierChannelBandwidth(string, double) | Configures the channel bandwidth, in hertz (Hz), of the carrier. |
| ConfigureCarrierEnabled(string, RFmxSpecAnMXSemCarrierEnabled) | Configures whether to consider the carrier power as part of total carrier power measurement. |
| ConfigureCarrierFrequency(string, double) | Configures the center frequency, in hertz (Hz), of the carrier, relative to the RF center frequency. |
| ConfigureCarrierIntegrationBandwidth(string, double) | Configures the frequency range, in hertz (Hz), over which the measurement integrates the carrier channel power. |
| ConfigureCarrierRbwFilter(string, RFmxSpecAnMXSemCarrierRbwAutoBandwidth, double, RFmxSpecAnMXSemCarrierRbwFilterType) | Configures the resolution bandwidth (RBW) filter of the carrier signal. |
| ConfigureCarrierRrcFilter(string, RFmxSpecAnMXSemCarrierRrcFilterEnabled, double) | Configures the root raised cosine (RRC) channel filter to apply on the acquired carrier channel before measuring the channel power. RRC alpha is the filter roll off. |
| ConfigureFft(string, RFmxSpecAnMXSemFftWindow, double) | Configures window and FFT to obtain a spectrum for the spectral emission mask (SEM) measurement. |
| ConfigureNumberOfCarriers(string, int) | Configures the number of carriers for the spectral emission mask (SEM) measurement. |
| ConfigureNumberOfOffsets(string, int) | Configures the number of offset segments for the spectral emission mask (SEM) measurement. |
| ConfigureOffsetAbsoluteLimit(string, RFmxSpecAnMXSemOffsetAbsoluteLimitMode, double, double) | Configures the absolute limit mode and specifies the absolute power limits corresponding to the beginning and end of the offset segment. |
| ConfigureOffsetAbsoluteLimitArray(string, RFmxSpecAnMXSemOffsetAbsoluteLimitMode[], double[], double[]) | Configures the absolute limit mode and specifies the absolute power limits corresponding to the beginning and end of the offset segment. |
| ConfigureOffsetBandwidthIntegral(string, int) | Configures the resolution of the spectrum to compare with spectral mask limits as an integer multiple of the resolution bandwidth (RBW). If you set this method to a value greater than 1, the measurement acquires the spectrum with a narrow resolution and then processes it digitally to get a wider resolution that is equal to the product of the bandwidth integral and the RBW. |
| ConfigureOffsetFrequency(string, double, double, RFmxSpecAnMXSemOffsetEnabled, RFmxSpecAnMXSemOffsetSideband) | Configures the offset frequency start and stop values and specifies whether the offset segment is present on one side, or on both sides of the carriers. |
| ConfigureOffsetFrequencyArray(string, double[], double[], RFmxSpecAnMXSemOffsetEnabled[], RFmxSpecAnMXSemOffsetSideband[]) | Configures the offset frequency start and stop values, and specifies whether the offset segment is present on one side, or on both sides of the carriers. |
| ConfigureOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) | Configures the offset frequency definition for the SEM measurement. |
| ConfigureOffsetLimitFailMask(string, RFmxSpecAnMXSemOffsetLimitFailMask) | Configures the criteria to determine the measurement fail status. |
| ConfigureOffsetRbwFilter(string, RFmxSpecAnMXSemOffsetRbwAutoBandwidth, double, RFmxSpecAnMXSemOffsetRbwFilterType) | Configures the resolution bandwidth (RBW) filter of the offset segment. |
| ConfigureOffsetRbwFilterArray(string, RFmxSpecAnMXSemOffsetRbwAutoBandwidth[], double[], RFmxSpecAnMXSemOffsetRbwFilterType[]) | Configures the resolution bandwidth (RBW) filter of the offset segment. |
| ConfigureOffsetRelativeAttenuation(string, double) | Configures the attenuation, in dB, relative to the external attenuation. Use this method to compensate for variations in external attenuation when the offset channels are spread wide in frequency. |
| ConfigureOffsetRelativeAttenuationArray(string, double[]) | Configures the attenuation, in dB, relative to the external attenuation. Use this method to compensate for the variations in external attenuation when offset channels are spread wide in frequency. |
| ConfigureOffsetRelativeLimit(string, RFmxSpecAnMXSemOffsetRelativeLimitMode, double, double) | Configures the relative limit mode and specifies the relative power limits corresponding to the beginning and end of the offset segment. |
| ConfigureOffsetRelativeLimitArray(string, RFmxSpecAnMXSemOffsetRelativeLimitMode[], double[], double[]) | Configures the relative limit mode and specifies the relative power limits corresponding to the beginning and end of the offset segment. |
| ConfigurePowerUnits(string, RFmxSpecAnMXSemPowerUnits) | Configures the units for the absolute power. |
| ConfigureReferenceType(string, RFmxSpecAnMXSemReferenceType) | Configures whether the power reference is the integrated power or the peak power in the closest carrier channel. The leftmost carrier is the carrier closest to all the lower (negative) offset segments. The rightmost carrier offset is the carrier closest to all the upper (positive) offset segments. |
| ConfigureSweepTime(string, RFmxSpecAnMXSemSweepTimeAuto, double) | Configures the sweep time. |
| GetAllTracesEnabled(string, out bool) | Gets if the traces to be stored and retrieved after performing the spectral emission mask (SEM) measurement are enabled. |
| GetAmplitudeCorrectionType(string, out RFmxSpecAnMXSemAmplitudeCorrectionType) | 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 _RFmxInstrCfgExternalAttenuationTable function to configure the external attenuation table. |
| GetAveragingCount(string, out int) | Gets the number of acquisitions used for averaging. |
| GetAveragingEnabled(string, out RFmxSpecAnMXSemAveragingEnabled) | Gets whether averaging for the spectral emission mask (SEM) measurement is enabled. |
| GetAveragingType(string, out RFmxSpecAnMXSemAveragingType) | Gets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for spectral emission mask (SEM) measurement. |
| GetCarrierChannelBandwidth(string, out double) | Gets the channel bandwidth, in hertz (Hz), of the carrier. The channel bandwidth is used to calculate the values of the SetOffsetStartFrequency(string, double) and SetOffsetStopFrequency(string, double) methods when you set the SetOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method to CarrierEdgeToMeasurementBandwidthCenter or CarrierEdgeToMeasurementBandwidthEdge. |
| GetCarrierEnabled(string, out RFmxSpecAnMXSemCarrierEnabled) | Gets whether the carrier power is considered as part of total carrier power measurement. |
| GetCarrierFrequency(string, out double) | Gets the center frequency, in hertz (Hz), of the carrier, relative to the RF center frequency. |
| GetCarrierIntegrationBandwidth(string, out double) | Gets the frequency range, in hertz (Hz), over which the measurement integrates the carrier channel power. |
| GetCarrierRbwFilterAutoBandwidth(string, out RFmxSpecAnMXSemCarrierRbwAutoBandwidth) | Gets whether the measurement computes the resolution bandwidth (RBW) of the carrier. |
| GetCarrierRbwFilterBandwidth(string, out double) | Gets the bandwidth, in hertz (Hz), of the resolution bandwidth (RBW) filter used to sweep the acquired carrier signal. |
| GetCarrierRbwFilterBandwidthDefinition(string, out RFmxSpecAnMXSemCarrierRbwFilterBandwidthDefinition) | Gets the bandwidth definition which you use to specify the value of the SetCarrierRbwFilterBandwidth(string, double) method. |
| GetCarrierRbwFilterType(string, out RFmxSpecAnMXSemCarrierRbwFilterType) | Gets the shape of the digital resolution bandwidth (RBW) filter. |
| GetCarrierRrcFilterAlpha(string, out double) | Gets the roll-off factor for the root-raised-cosine (RRC) filter. |
| GetCarrierRrcFilterEnabled(string, out RFmxSpecAnMXSemCarrierRrcFilterEnabled) | Gets whether the root-raised-cosine (RRC) filter is applied on the acquired carrier channel after measuring the carrier channel power. |
| GetFftPadding(string, out double) | Gets the factor by which the time-domain waveform is zero-padded before FFT. The FFT size is given by the following formula: waveform size * padding. This method is applicable only when the acquisition span is less than the device instantaneous bandwidth of the device. |
| GetFftWindow(string, out RFmxSpecAnMXSemFftWindow) | Gets the FFT window type used to reduce spectral leakage. |
| GetMeasurementEnabled(string, out bool) | Gets whether to enable spectral emission mask (SEM) measurement. |
| GetNumberOfAnalysisThreads(string, out int) | Gets the maximum number of threads used for parallelism for spectral emission mask (SEM) measurement. |
| GetNumberOfCarriers(string, out int) | Gets the number of carriers. |
| GetNumberOfOffsets(string, out int) | Gets the number of offset segment configurations. |
| GetOffsetAbsoluteLimitMode(string, out RFmxSpecAnMXSemOffsetAbsoluteLimitMode) | Gets whether the absolute limit mask is a flat line or is a line with a slope. |
| GetOffsetAbsoluteLimitStart(string, out double) | Gets the absolute power limit, in dBm, corresponding to the beginning of the offset segment. |
| GetOffsetAbsoluteLimitStop(string, out double) | Gets the absolute power limit, in dBm, corresponding to the end of the offset segment. |
| GetOffsetBandwidthIntegral(string, out int) | Gets the resolution of the spectrum to compare with spectral mask limits as an integer multiple of the resolution bandwidth (RBW). |
| GetOffsetEnabled(string, out RFmxSpecAnMXSemOffsetEnabled) | Gets whether the offset segment for the spectral emission mask (SEM) measurement is enabled. |
| GetOffsetFrequencyDefinition(string, out RFmxSpecAnMXSemOffsetFrequencyDefinition) | Gets the definition of the start frequency and stop frequency of the offset segments from the nearest carrier channels. |
| GetOffsetLimitFailMask(string, out RFmxSpecAnMXSemOffsetLimitFailMask) | Gets the criteria to determine the measurement fail status. |
| GetOffsetRbwFilterAutoBandwidth(string, out RFmxSpecAnMXSemOffsetRbwAutoBandwidth) | Gets whether the measurement computes the resolution bandwidth (RBW). |
| GetOffsetRbwFilterBandwidth(string, out double) | Gets the bandwidth, in hertz (Hz), of the resolution bandwidth (RBW) filter used to sweep the acquired offset segment. |
| GetOffsetRbwFilterBandwidthDefinition(string, out RFmxSpecAnMXSemOffsetRbwFilterBandwidthDefinition) | Gets the bandwidth definition which you use to specify the value of the SetOffsetRbwFilterBandwidth(string, double) method. |
| GetOffsetRbwFilterType(string, out RFmxSpecAnMXSemOffsetRbwFilterType) | Gets the shape of the digital resolution bandwidth (RBW) filter. |
| GetOffsetRelativeAttenuation(string, out double) | Gets the attenuation, in dB, relative to the SetExternalAttenuation(string, double) method. Use this method to compensate for the variations in external attenuation when offset segments are spread wide in frequency. |
| GetOffsetRelativeLimitMode(string, out RFmxSpecAnMXSemOffsetRelativeLimitMode) | Gets whether the relative limit mask is a flat line or a line with a slope. |
| GetOffsetRelativeLimitStart(string, out double) | Gets the relative power limit, in dB, corresponding to the beginning of the offset segment. |
| GetOffsetRelativeLimitStop(string, out double) | Gets the relative power limit, in dB, corresponding to the end of the offset segment. |
| GetOffsetSideband(string, out RFmxSpecAnMXSemOffsetSideband) | Gets whether the offset segment is present on one side, or on both sides of the carriers. |
| GetOffsetStartFrequency(string, out double) | Gets the start frequency, in hertz (Hz), of the offset segment relative to the closest configured carrier channel bandwidth center or carrier channel bandwidth edge based on the value of the ConfigureOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method. |
| GetOffsetStopFrequency(string, out double) | Gets the stop frequency, in hertz (Hz), of the offset segment relative to the closest configured carrier channel bandwidth center or carrier channel bandwidth edge based on the value of the ConfigureOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method. |
| GetPowerUnits(string, out RFmxSpecAnMXSemPowerUnits) | Gets the power units. |
| GetReferenceType(string, out RFmxSpecAnMXSemReferenceType) | Gets whether the power reference is the integrated power or the peak power in the closest carrier channel. The least carrier offset is the carrier closest to all the lower (negative) offset segments. The highest carrier offset is the carrier closest to all the upper (positive) offsets segments. |
| GetSweepTimeAuto(string, out RFmxSpecAnMXSemSweepTimeAuto) | Gets whether the measurement computes the sweep time. |
| GetSweepTimeInterval(string, out double) | Gets the sweep time, in seconds. |
| SetAllTracesEnabled(string, bool) | Sets whether to enable the traces to be stored and retrieved after performing the spectral emission mask (SEM) measurement. |
| SetAmplitudeCorrectionType(string, RFmxSpecAnMXSemAmplitudeCorrectionType) | 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 _RFmxInstrCfgExternalAttenuationTable function to configure the external attenuation table. |
| SetAveragingCount(string, int) | Sets the number of acquisitions used for averaging when you set the RFmxSpecAnMXSemAveragingEnabled method to True. |
| SetAveragingEnabled(string, RFmxSpecAnMXSemAveragingEnabled) | Sets whether to enable averaging for the spectral emission mask (SEM) measurement. |
| SetAveragingType(string, RFmxSpecAnMXSemAveragingType) | Sets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for spectral emission mask (SEM) measurement. |
| SetCarrierChannelBandwidth(string, double) | Sets the channel bandwidth, in hertz (Hz), of the carrier. The channel bandwidth is used to calculate the values of the SetOffsetStartFrequency(string, double) and SetOffsetStopFrequency(string, double) methods when you set the SetOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method to CarrierEdgeToMeasurementBandwidthCenter or CarrierEdgeToMeasurementBandwidthEdge. |
| SetCarrierEnabled(string, RFmxSpecAnMXSemCarrierEnabled) | Sets whether to consider the carrier power as part of total carrier power measurement. |
| SetCarrierFrequency(string, double) | Sets the center frequency, in hertz (Hz), of the carrier, relative to the RF center frequency. |
| SetCarrierIntegrationBandwidth(string, double) | Sets the frequency range, in hertz (Hz), over which the measurement integrates the carrier power. |
| SetCarrierRbwFilterAutoBandwidth(string, RFmxSpecAnMXSemCarrierRbwAutoBandwidth) | Sets whether the measurement computes the resolution bandwidth (RBW) of the carrier. |
| SetCarrierRbwFilterBandwidth(string, double) | Sets the bandwidth, in hertz (Hz), of the resolution bandwidth (RBW) filter used to sweep the acquired carrier signal. |
| SetCarrierRbwFilterBandwidthDefinition(string, RFmxSpecAnMXSemCarrierRbwFilterBandwidthDefinition) | Sets the bandwidth definition which you use to specify the value of the SetCarrierRbwFilterBandwidth(string, double) method. |
| SetCarrierRbwFilterType(string, RFmxSpecAnMXSemCarrierRbwFilterType) | Sets the shape of the digital resolution bandwidth (RBW) filter. |
| SetCarrierRrcFilterAlpha(string, double) | Sets the roll-off factor for the root-raised-cosine (RRC) filter. |
| SetCarrierRrcFilterEnabled(string, RFmxSpecAnMXSemCarrierRrcFilterEnabled) | Sets whether to apply the root-raised-cosine (RRC) filter on the acquired carrier channel after measuring the carrier channel power. |
| SetFftPadding(string, double) | Sets the factor by which the time-domain waveform is zero-padded before FFT. The FFT size is given by the following formula: waveform size * padding. This method is applicable only when the acquisition span is less than the device instantaneous bandwidth of the device. |
| SetFftWindow(string, RFmxSpecAnMXSemFftWindow) | Sets the FFT window type used to reduce spectral leakage. |
| SetMeasurementEnabled(string, bool) | Sets whether to enable spectral emission mask (SEM) measurement. |
| SetNumberOfAnalysisThreads(string, int) | Sets the maximum number of threads used for parallelism for spectral emission mask (SEM) measurement. |
| SetNumberOfCarriers(string, int) | Sets the number of carriers. |
| SetNumberOfOffsets(string, int) | Sets the number of offset segment configurations. |
| SetOffsetAbsoluteLimitMode(string, RFmxSpecAnMXSemOffsetAbsoluteLimitMode) | Sets whether the absolute limit mask is a flat line or is a line with a slope. |
| SetOffsetAbsoluteLimitStart(string, double) | Sets the absolute power limit, in dBm, corresponding to the beginning of the offset segment. This power limit is also set as the absolute power limit for the offset segment when you set the SetOffsetAbsoluteLimitMode(string, RFmxSpecAnMXSemOffsetAbsoluteLimitMode) method to Couple. |
| SetOffsetAbsoluteLimitStop(string, double) | Sets the absolute power limit, in dBm, corresponding to the end of the offset segment. This power limit is also set as the absolute power limit for the offset segment when you set the SetOffsetAbsoluteLimitMode(string, RFmxSpecAnMXSemOffsetAbsoluteLimitMode) method to Couple. |
| SetOffsetBandwidthIntegral(string, int) | Sets the resolution of the spectrum to compare with spectral mask limits as an integer multiple of the resolution bandwidth (RBW). |
| SetOffsetEnabled(string, RFmxSpecAnMXSemOffsetEnabled) | Sets whether to enable the offset segment for the spectral emission mask (SEM) measurement. |
| SetOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) | Sets the definition of the start frequency and stop frequency of the offset segments from the nearest carrier channels. |
| SetOffsetLimitFailMask(string, RFmxSpecAnMXSemOffsetLimitFailMask) | Sets the criteria to determine the measurement fail status. |
| SetOffsetRbwFilterAutoBandwidth(string, RFmxSpecAnMXSemOffsetRbwAutoBandwidth) | Sets whether the measurement computes the resolution bandwidth (RBW). |
| SetOffsetRbwFilterBandwidth(string, double) | Sets the bandwidth, in hertz (Hz), of the resolution bandwidth (RBW) filter used to sweep the acquired offset segment. |
| SetOffsetRbwFilterBandwidthDefinition(string, RFmxSpecAnMXSemOffsetRbwFilterBandwidthDefinition) | Sets the bandwidth definition which you use to specify the value of the SetOffsetRbwFilterBandwidth(string, double) method. |
| SetOffsetRbwFilterType(string, RFmxSpecAnMXSemOffsetRbwFilterType) | Sets the shape of the digital resolution bandwidth (RBW) filter. |
| SetOffsetRelativeAttenuation(string, double) | Sets the attenuation, in dB, relative to the SetExternalAttenuation(string, double) method. Use this method to compensate for the variations in external attenuation when offset segments are spread wide in frequency. |
| SetOffsetRelativeLimitMode(string, RFmxSpecAnMXSemOffsetRelativeLimitMode) | Sets whether the relative limit mask is a flat line or a line with a slope. |
| SetOffsetRelativeLimitStart(string, double) | Sets the relative power limit, in dB, corresponding to the beginning of the offset segment. This power limit is also set as the relative power limit for the offset segment when you set the SetOffsetRelativeLimitMode(string, RFmxSpecAnMXSemOffsetRelativeLimitMode) method to Couple. |
| SetOffsetRelativeLimitStop(string, double) | Sets the relative power limit, in dB, corresponding to the end of the offset segment. This method is ignored if you set the SetOffsetRelativeLimitMode(string, RFmxSpecAnMXSemOffsetRelativeLimitMode) method to Couple. |
| SetOffsetSideband(string, RFmxSpecAnMXSemOffsetSideband) | Sets whether the offset segment is present on one side, or on both sides of the carriers. |
| SetOffsetStartFrequency(string, double) | Sets the start frequency, in hertz (Hz), of the offset segment relative to the closest configured carrier channel bandwidth center or carrier channel bandwidth edge based on the value of the ConfigureOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method. |
| SetOffsetStopFrequency(string, double) | Sets the stop frequency, in hertz (Hz), of the offset segment relative to the closest configured carrier channel bandwidth center or carrier channel bandwidth edge based on the value of the ConfigureOffsetFrequencyDefinition(string, RFmxSpecAnMXSemOffsetFrequencyDefinition) method. |
| SetPowerUnits(string, RFmxSpecAnMXSemPowerUnits) | Sets the power units. |
| SetReferenceType(string, RFmxSpecAnMXSemReferenceType) | Sets whether the power reference is the integrated power or the peak power in the closest carrier channel. The least carrier offset is the carrier closest to all the lower (negative) offset segments. The highest carrier offset is the carrier closest to all the upper (positive) offsets segments. |
| SetSweepTimeAuto(string, RFmxSpecAnMXSemSweepTimeAuto) | Sets whether the measurement computes the sweep time. |
| SetSweepTimeInterval(string, double) | Sets the sweep time, in seconds, when you set the SetSweepTimeAuto(string, RFmxSpecAnMXSemSweepTimeAuto) method to False. |