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R&S FSQ Signal Analyzer - Rohde & Schwarz

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R&S <strong>FSQ</strong> Remote Control – Description of Commands<br />

CALCulate:STATistics:NSAMples 100 to 1E9<br />

CALCulate Subsystem<br />

This command sets the number of measurement points to be acquired for the statistical measurement<br />

functions.<br />

Example: "CALC:STAT:NSAM 500"<br />

'Sets the number of measurement points to be acquired to 500.<br />

Characteristics: *RST value: 100000<br />

SCPI: device-specific<br />

Mode: A<br />

CALCulate:STATistics:PRESet<br />

This command resets the scaling of the X and Y axes in a statistical measurement. The following<br />

values are set:<br />

• x-axis ref level: -20 dBm<br />

• x-axis range APD: 100 dB<br />

• x-axis range CCDF: 20 dB<br />

• y-axis upper limit: 1.0<br />

• y-axis lower limit: 1E-6<br />

Example: "CALC:STAT:PRES"<br />

'Resets the scaling for statistical functions<br />

Characteristics: *RST value: --<br />

SCPI: device-specific<br />

Mode: A<br />

This command is an event and therefore has no *RST value and no query.<br />

CALCulate:STATistics:RESult? MEAN | PEAK | CFACtor | ALL<br />

This command reads out the results of statistical measurements of a recorded trace. The trace is<br />

selected with the numeric suffix attached to RESult.<br />

The required result is selected via the following parameters:<br />

Parameter: MEAN: Average (=RMS) power in dBm measured during the measurement time.<br />

PEAK: Peak power in dBm measured during the measurement time.<br />

CFACtor: Determined CREST factor (= ratio of peak power to average power) in<br />

dB.<br />

ALL: Results of all three measurements mentioned before, separated by commas:<br />

,,<br />

Example: "CALC:STAT:RES2? ALL"<br />

'Reads out the three measurement results of trace 2. Example of answer string:<br />

5.56,19.25,13.69 i.e. mean power: 5.56 dBm, peak power 19.25 dBm, CREST<br />

factor 13.69 dB<br />

Characteristics: *RST value: --<br />

SCPI: device-specific<br />

Mode: A<br />

Operating Manual 1313.9681.12 - 01 6.95

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