R&S FSL CALCulate Subsystem
1300.2519.12 6.71 E-11
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ALCulate<1|2>:MARKer<1...4>:FUNCtion:CSTep
This command sets the step size of the center frequency to the X value of the current marker.
I
f marker 2, 3 or 4 is selected and used as delta marker, it is switched to the marker mode.
The numeric suffix <1|2> are irrelevant for this command.
This command is an event and therefore has no *RST value and no query.
Example
CALC:MARK3:FUNC:CST
Sets the center frequency to the same value as the frequency of marker 3.
Characteristics
*RST value: –
SCPI: device–specific
Mode
A–F
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks[:IMMediate]
This command searches the selected trace for the indicated number of maxima. The results are
entered in a list and can be queried with the
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks:X? and
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks:Y? commands. The number of
maxima found can be queried with
CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks:COUNt?. The trace to be examined
is selected with CALCulate<1|2>:MARKer<1...4>:TRACe. The order of the results in the
list can be defined with CALCulate<1|2>:MARKer<1...4>:FUNCtion:FPEaks:SORT.
The numeric suffixes <1|2> are irrelevant for this command.
This command is available from firmware version 1.30.
Note: The number of maxima found depends on the waveform and value set for the Peak
Excursion parameter (CALCulate<1|2>:MARKer<1...4>:PEXCursion), however,
a maximum number of 200 maxima are determined. Only the signals which exceed their
surrounding values at least by the value indicated by the peak excursion parameter will
be recognized as maxima. Therefore, the number of maxima found is not automatically
the same as the number of maxima desired.
Parameter
1 to 200
Example
INIT:CONT OFF
Switches to single sweep mode
INIT;*WAI
Starts measurement and synchronizes to end
CALC:MARK:TRAC 1
Sets marker 1 to trace 1
CALC:MARK:FUNC:FPE:SORT X
Sets the sort mode to increasing X values
CALC:MARK:FUNC:FPE 3
Searches the 3 highest maxima for trace 1
CALC:MARK:FUNC:FPE:COUN?
Queries the number of maxima found
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