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Function Reference
Log Math C=A+B
Log Math C=A+B
Adds Trace A and Trace B point by point, then stores the results in Trace C in
logarithmic units. The results of this function often require a reference level
adjustment. Trace A is placed in View On mode. Trace math is mainly used to
normalize the display during stimulus-response measurements.
Key Path
Traces > More Trace Functions > Trace Math OFF > Default Math Trace C
> Log Math C=A+B
Log Math C=A–B, Log Math F=C–D
Related Functions
Remote
CALCulate3:MATH:EXPRession(TRA*TRB)
Commands
Log Math F=C
Subtracts Trace D from Trace C point by point, then stores the results in Trace
F in logarithmic units. If Trace C is in View On mode, this function is continu-
ous and occurs every sweep. Results of the subtraction are referenced to 0 dB.
This often requires a reference level adjustment. For example, if the reference
level is set at –40 dBm, Trace D is at –50 dBm, and Trace C is at
–55 dBm, the F=C–D function places Trace F at –5 dB. Because this is off
screen, the reference level will need to be adjusted.
Key Path
Traces > More Trace Functions > Trace Math OFF > Default Math Trace C
> Log Math F=C–D
Log Math C=A–B, Log Math C=A+B
Related Functions
Remote
CALCulate6:MATH:EXPRession(TRC/TRD)
Commands
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