RFmxDemod ADemod Fetch (VI)

RFmx Demod 19.1 Help

Edition Date: October 2019

Part Number: 374641M-01

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Owning Palette: Fetch

Fetches the analog demodulation measurements.

Use the pull-down menu to select an instance of this VI.

RFmxDemod ADemod Fetch Carrier Measurement

Fetches the carrier measurement.

RFmxDemod ADemod Fetch Carrier Measurement

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Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

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Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/icsg.gif

Mean Carrier Frequency Error returns the mean of the measured carrier frequency error, in Hz.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Carrier Power returns the mean of the measured carrier power, in dBm.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch Mean Modulation Frequency

Fetches the mean modulation frequency.

RFmxDemod ADemod Fetch Mean Modulation Frequency

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Modulation Frequency returns the mean of the demodulated signal frequency.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch Distortions

Fetches distortions for analog demodulation measurements.

RFmxDemod ADemod Fetch Distortions

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Average SINAD returns the averaged signal-to-noise and distortion ratio, in dB, of the demodulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Average SNR returns the averaged signal-to-noise ratio, in dB, of the demodulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Average THD returns the averaged total harmonic distortion, as a percentage, of demodulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Average THD with Noise returns the averaged total harmonic distortion with noise, as a percentage, of the demodulated signal.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch AM Mean Modulation Depth

Fetches AM mean modulation depth for analog demodulation measurements.

RFmxDemod ADemod Fetch AM Mean Modulation Depth

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Modulation Depth returns the mean amplitude variation, as a percentage, around the unmodulated carrier amplitude. If the carrier is suppressed, the amplitude variation of the modulating signal is returned.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Peak to Peak /2 returns the mean (peak-to-peak)/2 amplitude, as a percentage, of the modulating signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean RMS returns the mean RMS amplitude of the modulating signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Negative Peak returns the mean negative peak amplitude, as a percentage, of the modulating signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Positive Peak returns the mean positive peak amplitude, as a percentage, of the modulating signal.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch FM Mean Deviation

Fetches the FM mean deviation measurements.

RFmxDemod ADemod Fetch FM Mean Deviation

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Deviation returns the mean deviation, in Hz, of the frequency-modulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Peak to Peak /2 returns the mean (peak-to-peak)/2 frequency variation, in Hz, around the nominal frequency of the FM carrier.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean RMS returns the mean RMS frequency deviation, in Hz, of the frequency-modulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Negative Peak returns the mean negative peak frequency deviation of the frequency-modulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Positive Peak returns the mean positive peak frequency deviation, in Hz, of the frequency-modulated signal.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch PM Mean Deviation

Fetches the PM mean deviation measurements.

RFmxDemod ADemod Fetch PM Mean Deviation

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Deviation returns the mean deviation around the unmodulated carrier phase.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Peak to Peak /2 returns the mean (peak-to-peak)/2 phase deviation, in degrees, around the unmodulated carrier phase.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean RMS returns the mean RMS phase deviation, in degrees, of the phase-modulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Negative Peak returns the mean negative peak phase deviation, in degrees, around the unmodulated carrier phase.

/images/reference/en-XX/help/374641M-01/idbl.gif

Mean Positive Peak returns the mean positive peak phase deviation, in degrees, around the unmodulated carrier phase.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch AM Maximum Modulation Depth

Fetches the AM maximum modulation depth.

RFmxDemod ADemod Fetch AM Maximum Modulation Depth

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Modulation Depth returns the maximum modulation depth, as a percentage, measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Peak to Peak /2 returns the maximum (peak-to-peak)/2 amplitude, as a percentage, of the modulating signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum RMS returns the maximum RMS amplitude, as a percentage, of the modulating signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Negative Peak returns the maximum negative peak amplitude, as a percentage, of the modulating signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Positive Peak returns the maximum positive peak amplitude, as a percentage, of the modulating signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch FM Maximum Deviation

Fetches the FM maximum deviation measurements.

RFmxDemod ADemod Fetch FM Maximum Deviation

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Deviation returns the maximum frequency deviation, in Hz, of the frequency-modulated signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Peak to Peak /2 returns the maximum (peak-to-peak)/2 frequency variation, in Hz, around the nominal frequency of the FM carrier measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum RMS returns the maximum RMS frequency deviation, in Hz, of the frequency-modulated signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Negative Peak returns the maximum negative peak frequency deviation, in Hz, of the frequency-modulated signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Positive Peak returns the maximum positive peak frequency deviation, in Hz, of the frequency-modulated signal measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch PM Maximum Deviation

Fetches the PM maximum deviation measurements.

RFmxDemod ADemod Fetch PM Maximum Deviation

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Deviation returns the maximum phase deviation, in degrees, around the unmodulated carrier phase measured over multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Peak to Peak /2 returns the maximum (peak to peak)/2 phase deviation, in degrees, around the unmodulated carrier phase measured over multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum RMS returns the maximum RMS phase deviation, in degrees, of the PM signal measured over multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Negative Peak returns the maximum negative peak phase deviation, in degrees, around the unmodulated carrier phase, measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/idbl.gif

Maximum Positive Peak returns the maximum positive peak phase deviation, in degrees, around the unmodulated carrier phase, measured across multiple acquisitions.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch Demod Signal Trace

Fetches the demodulated signal trace.

RFmxDemod ADemod Fetch Demod Signal Trace

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/icclst.gif

Demodulated Signal returns the demodulated signal.

/images/reference/en-XX/help/374641M-01/idbl.gif

x0 returns the start time, in seconds.

/images/reference/en-XX/help/374641M-01/idbl.gif

dx returns the sample duration, in seconds.

/images/reference/en-XX/help/374641M-01/i1dsgl.gif

y returns the signal amplitude in % for AM, Hz for FM, degrees for PM signals, at each time instance.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

RFmxDemod ADemod Fetch Demod Spectrum Trace

Fetches the demodulated signal spectrum trace.

RFmxDemod ADemod Fetch Demod Spectrum Trace

/images/reference/en-XX/help/374641M-01/cio.gif

Instrument Handle In specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI.

/images/reference/en-XX/help/374641M-01/cdbl.gif

Timeout specifies the timeout for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the VI waits until the measurement is complete. The default value is 10. This value is expressed in seconds.

/images/reference/en-XX/help/374641M-01/cstr.gif

Selector String comprises the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. The default value is "" (empty string).

Example:

""

"signal::sig1"

"result::r1"

"signal::sig1/result::r1"

You can use the RFmxDemod Build Signal String VI to build the selector string.

/images/reference/en-XX/help/374641M-01/cerrcodeclst.gif

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

/images/reference/en-XX/help/374641M-01/iio.gif

Instrument Handle Out passes a reference to your RFmx session to the next VI.

/images/reference/en-XX/help/374641M-01/icclst.gif

Demodulated Spectrum returns the demodulated signal spectrum.

/images/reference/en-XX/help/374641M-01/idbl.gif

x0 returns the start bin frequency, in Hz.

/images/reference/en-XX/help/374641M-01/idbl.gif

dx returns the frequency bin spacing, in Hz.

/images/reference/en-XX/help/374641M-01/i1dsgl.gif

y returns the amplitude, as a percentage for AM, in Hz for FM, and in degrees for PM signals, measured at each frequency bin.

/images/reference/en-XX/help/374641M-01/ierrcodeclst.gif

error out contains error information. This output provides standard error out functionality.

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