3 Keysight SD1 Command Reference
LabVIEW
DAQbuffer functions are not accessible
M3601A
Available: No
3. 3. 2. 33 FFT
Calculates the FFT of data captured by DAQread for the selected channel.
Parameters
Name
Description
Inputs
moduleID
(Non-object oriented languages only) Module identifier, returned by function
channel
Input channel number
data
data previously acquired by DAQread
size
Input data size
resultSize
Size of the output buffers (module and phase)
dB
Scale (dB or linear)
windowType Windowing option (section 2.1.5)
errorIn
(LabVIEW only) If it contains an error, the function will not be executed and errorIn will be
passed to errorOut
Outputs
moduleID
(Non-object-oriented languages only) Module identifier, or a negative number for errors (see
)
result
Module (magnitude) of the FFT
resultPhase Phase of the FFT
errorOut
C
int SD_AIN_FFT(int moduleID, int channel, short *data, int size, double *result, int
resultSize, double *resultPhase, bool dB, int windowType);
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Keysight M3100A/M3102A PXIe Digitizer User's Guide