Trace Menu R&S
®
ZVA/ZVB/ZVT
1145.1084.12 4.72 E-6
• Define Compression Value... sets the compression level (x dB).
• Eval Range... opens a dialog to define the range for the statistical and phase evaluation and for
the compression point measurement.
Statistical Evaluation
The first three commands in the Trace Eval submenu display or hide the maximum (Max.), minimum
(Min.), the peak-to-peak value (Pk-Pk), arithmetic mean value (Mean), the standard deviation (Std.
Dev.), and the RMS value of all response values of the trace in the selected evaluation range (Eval
Range...).
Definition of statistical quantities
The statistical quantities are calculated from all response values in the selected evaluation range.
Suppose that the trace in the evaluation range contains n stimulus values x
i
and n corresponding
response values y
i
(measurement points).
• Mean is the arithmetic mean value of all response values:
• Std. Deviation is the standard deviation of all response values:
• Max. and Min. are the largest and the smallest of all response values y
i
.
• RMS is the root mean square (effective value) of all response values:
• P-P is the peak-to-peak value and is equal to the difference Max. – Min.
The definitions given above apply to all linear, scalar trace formats. For a dB Mag trace, the
Mean, Std. Dev. and RMS are calculated before logarithmation.
Remote
control:
CALCulate<Ch/Tr>:STATistics[:STATe]
CALCulate<Ch/Tr>:STATistics:RESult? MIN | MAX | PEAK2P | MEAN |
STDDev | RMS
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