R&S
®
CMW 500 GSM Applications
GSM Command Reference
Operating Manual 1202.3986.32 – 03 249
Magnitude Error Measurement Results (Trace)
Magnitude Error Measurement Results (Single Values)
Phase Error Measurement Results (Trace)
Phase Error Measurement Results (Single Values)
Power vs Time Measurement Results (Trace)
Power vs Time Measurement Results (Single Values)
Spectrum Modulation Measurement Results
Spectrum Switching Measurement Results
Other Measurement Results (Single Values)
All Measurement Results (Single Values Overview)
The following general measurement settings also affect the GSM multi-evaluation
measurement:
Signal Routing
Analyzer Settings
Issues of special interest for all commands:
MEAS<i> Abbreviation of "MEASurement<instance>". For better readability only
the abbreviated form (which is also accepted by the instrument) is given
in the command reference.
It is possible to use up to four instances of the same firmware
application in parallel.
For further information refer to Firmware Applications.
Issues of special interest in the context of result retrieval:
FETCh and
READ
commands
Both commands can be used to retrieve measurement results:
FETCh... returns the results of the current measurement cycle
(single shot measurement) after they are valid. FETCh... must be
used after the measurement has been started (INITiate...,
measurement states RUN or RDY).
READ... starts a new single shot measurement and returns the
results.
For further information refer to Retrieving Measurement Results.
Current and
statistical
values
The R&S CMW 500 repeats measurements according to the selected
statistic count and repetition mode. Consecutive measurement values
are stored and used to calculate statistical results, e.g. average,
minimum, maximum and standard deviation.
For a description of the statistical methods refer to Statistical Results.
Global Reliability Indicator
The common reliability indicator is the first value in the output arrays of the
FETCh...? and READ...? queries.
e.g. FETCh:GPRF:MEASurement<i>:EPSensor:CURRent?
Response: 0, 10.22, 10.15, 10.01, 10.29, 100 (reliability: 0, 5 numeric measurement
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