Remote control commands
R&S
®
SGS100A
254User Manual 1173.9105.02 ─ 13
:SENSe<ch>[:POWer]:FILTer:LENGth[:USER] <User>
Selects the filter length for SENS:POW:FILT:TYPE USER. As the filter length works as
a multiplier for the time window, a constant filter length results in a constant measure-
ment time (see also "About the measuring principle, averaging filter, filter length, and
achieving stable results" on page 118).
The R&S NRP power sensors provide different resolutions for setting the filter length,
depending on the used sensor type:
●
Resolution = 1 for R&S NRPxx power sensors
●
Resolution = 2
n
for sensors of the R&S NRP-Zxx family, with n = 1 to 16
Parameters:
<User> float
Range: 1 to 65536
*RST: 1
Example:
:SENS1:FILT:TYPE USER
Selects user filter mode.
:SENS1:FILT:LENG 16
Sets a filter length of 16. E.g. using a sensor with 20 ms time
window, the resulting measurement time is 640 ms (2x16x20
ms)
Manual operation: See "Filter Length" on page 123
:SENSe<ch>[:POWer]:FILTer:NSRatio <NSRatio>
Sets an upper limit for the relative noise content in fixed noise filter mode (:
SENSe<ch>[:POWer]:FILTer:TYPE). This value determines the proportion of intrin-
sic noise in the measurement results.
Parameters:
<NSRatio> float
Range: 0.001 to 1
Increment: 0.001
*RST: 0.01
Example: See Example "Performing a power measurement with a fixed fil-
ter" on page 247.
Manual operation: See "Noise Content" on page 123
:SENSe<ch>[:POWer]:FILTer:NSRatio:MTIMe <MTime>
Sets an upper limit for the settling time of the auto-averaging filter in the NSRatio
mode and thus limits the length of the filter. The filter type is set with command :
SENSe<ch>[:POWer]:FILTer:TYPE.
SENSe, READ, INITiate and SLISt subsystems
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