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SCPI Commands for the Counter
VX4101A MultiPaq Instrument User Manual
3–53
Query Response
CALCulate:SDEViation?
[<count>[,<offset>
[,<step size>]]]
This query calculates and returns the standard deviation for a
set of data. The formula used for standard deviation is:
s = sqrt (S (data
i
– average)2/(n–1)
(n = amount of data summed)
If no valid data values were found “No Data” will be returned.
The optional parameters are for calculating selected values in
the memory buffer.
The optional <count> parameter specifies the number of
datapoints to calculate. If no <count> is specified, then the
number measurements last taken will be the default.
The optional <offset> parameter determines at which point in
memory values will start to be calculated.
The optional <step_size> parameter determines the number of
measurements to skip before taking a value to be used.
NOTE: In order to specify a <step_size>, you must enter the
<count> and the <offset> information.
CALCulate:TRANsform:
HISTogram?
This query calculates and returns the histogram for a set of
data. The format is as follows:
<bin_data{bin_data>}
CALCulate:TRANsform:
HISTogram:ABOVe?
Returns the number of points above the maximum value in a
histogram calculation.
CALCulate:TRANsform:
HISTogram:BELow?
Returns the number of points below the minimum value in a
histogram calculation.
CALCulate:TRANsform:
HISTogram:COUNt?
Returns number of points in a histogram calculation.
CALCulate:TRANsform:
HISTogram:POINts?
Returns number of points in a histogram calculation.
CALCulate:TRANsform:
HISTogram:RANGe?
Returns the <minimum_value> and <maximum_value> in a
histogram calculation.