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4-45

Remote Operation

CALCulate Subsystem Commands

The CALCulate subsystem performs post-acquisition data processing. The

CALCulate subsystem operates on data acquired by a SENSe function. For

more information, refer to page 4-1 of the

1997 SCPI Command Reference.

CALCulate[1|2|3|4|5|6]:AVERage:CLEar

Causes the average data to be cleared and the average counter to be reset to

zero.

CALCulate:AVERage:COUNt <numeric_value>

CALCulate:AVERage:COUNt?

Sets the number of measurements to be averaged. When the number of mea-

surements taken is less than the count, the following formula is used to calcu-

late the data:

If the number of measurements is greater than or equal to the count, the fol-

lowing formula is used to calculate the data:

Note

CALC: is interpreted as CALC1:. CALC1 controls TRA, CALC2 controls TRB, CALC3 con-

trols TRC, CALC4 controls TRD, CALC5 controls TRE, and CALC6 controls TRF.

AVG

sum of all measurements

number of measurements

----------------------------------------------------------------------=

New average

count 1

–

count

------------------------

last average

new measurement

count

--------------------------------------------------+×=

book.book Page 45 Monday, January 31, 2000 10:34 AM

HP 86140A Series User Manual

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