FETCh:STATistics? [<first_pt>, [<last_pt>]]
Performs post-processing calculation on the specified range of readings and returns statistics for single channel
DMM digitizing.
This SCPI is supported on DMM Digitize data acquisition mode only.
Parameter Typical return
<first_pt> = An integer indicating the first data point of the range of readings to perform
post processing calculation to obtain the statistics.
Default: 1
<last_pt> = An integer indicating the last data point of the range of readings to perform
post processing calculation to obtain the statistics.
Default: 256
(none)
Returning the statistics of the range of readings from data number 2 to 500.
The returned statistics value is in this order: average, standard deviation, minimum, and maximum.
FETC:STAT? 2,500
Typical response: -6.17764966E-04,+5.13837757E-02,-7.68353078E-02,+7.65340847E-02
FETCh:{THDNoise|THDistortion}? [<first_pt>, [<length>]]
Performs post-processing calculation on the specified range of readings and returns THD noise/distortion for single
channel DMM digitizing.
The minimum data points to perform the post-processing calculation is 256 data points. For valid post
processed measurement, please ensure data captured is at least 1 cycle.
The <length> will be round down to the lower 2
n
number, if the number enter is not 2
n
.
This SCPI is supported on DMM Digitize data acquisition mode only.
Parameter Typical return
<first_pt> = An integer indicating the first data point of the range of readings to perform
post processing calculation to obtain the statistics.
Default: 1
<length> = An 2
n
integer (256, 512,1024, 2048, 4096, …., 65536) indicating the number of
data points to perform post processing calculation to obtain the THD noise/ distortion.
Default: 256
(none)
Returns the THD noise of 256 readings starting from the second data point
FETCh:THDNoise? 2,256
Typical response: -3.16766701E+01
124
Keysight DAQ970A/DAQ973A Programming Guide
2 SCPI Programming
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