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Chapter 5 275
Language Reference
MEASure Group of Commands
Spectrum (Frequency Domain) Measurement
This measures the amplitude of your input signal with respect to the
frequency. It provides spectrum analysis capability using FFT (fast
Fourier transform) measurement techniques. You must select the
appropriate mode using INSTrument:SELect, to use these commands.
The general functionality of CONFigure, FETCh, MEASure, and READ
are described at the beginning of this section. See the
SENSe:SPECtrum commands for more measurement related
commands.
:CONFigure:SPECtrum
:FETCh:SPECtrum[n]?
:READ:SPECtrum[n]?
:MEASure:SPECtrum[n]?
Front Panel
Access:
Measure, Spectrum (Freq Domain)
After the measurement is selected, press Restore Meas
Defaults
to restore factory defaults.
Measurement Results Available
n Results Returned
0 Returns unprocessed I/Q trace data, as a series of comma-separated trace
points, in volts. The I values are listed first in each pair, using the 0
through even-indexed values. The Q values are the odd-indexed values.