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Sample Program
5-3
IM 704310-12E
5
CMD$ = "SSTART"
'Start single measurement
CALL IBWRT(TA%, CMD$)
CMD$ = "COMMUNICATE:WAIT 1"
'Wait for the data to become valid
CALL IBWRT(TA%, CMD$)
'
FOR I% = 1 TO 10
'Repeat for the number of windows
WIND$ = MID$(STR$(I%), 2)
CMD$ = "CALCULATION:WINDOW" + WIND$ + ":AVERAGE?"
'Query the average value
CALL IBWRT(TA%, CMD$)
AV$ = SPACE$(100)
CALL IBRD(TA%, AV$)
AV$ = LEFT$(AV$, IBCNT%)
CMD$ = "CALCULATION:WINDOW" + WIND$ + ":SDEVIATION?" 'Query the standard deviation
CALL IBWRT(TA%, CMD$)
SD$ = SPACE$(100)
CALL IBRD(TA%, SD$)
SD$ = LEFT$(SD$, IBCNT%)
PRINT "WINDOW" + WIND$, AV$; ",", SD$
NEXT I%
'
V% = 0: CALL IBSRE(BD%, V%)
'
END
Output Example
WINDOW1 1.1519300E-7, 4.07300E-9
WINDOW2 150.69150E-7, 3.88000E-9
WINDOW3 1.8207475E-7, 4.24150E-9
WINDOW4 2.1602550E-7, 4.57975E-9
WINDOW5 2.5323700E-7, 4.53925E-9
WINDOW6 2.9228175E-7, 4.44050E-9
WINDOW7 3.2897925E-7, 4.46675E-9
WINDOW8 3.6557575E-7, 4.48900E-9
WINDOW9 4.019625E-7, 4.5175E-9
WINDOW10 5.125175E-7, 3.1150E-9
5.3 Example of Statistical Data Output