Rohde & Schwarz FPC1000, User Manual

Page: 265 / 291

Remote Control
FPC1000
250
User Manual 1178.4130.02 ─ 02
13.13.2 Measurement Configuration
[SENSe:]DDEMod:FILTer:ALPHa
.................................................................................... 250
[SENSe:]DDEMod:FILTer:NAME
..................................................................................... 250
[SENSe:]DDEMod:FILTer[:STATe]
...................................................................................250
[SENSe:]DDEMod:SRATe
.............................................................................................. 251
[SENSe:]DDEMod:TIME
................................................................................................. 251
[SENSe:]DDEMod:FILTer:ALPHa
<Alpha>
This command defines the roll-off factor of the measurement filter (alpha or BT value).
Parameters:
<Alpha> <numeric value>
Range:
0 to 1
*RST: 1
Example:
//Define roll-off factor
DDEM:FILT:ALPH 0.35
[SENSe:]DDEMod:FILTer:NAME
<FilterType>
This command selects the measurement filter.
You can define the filter shape with
[SENSe:]DDEMod:FILTer:ALPHa
.
Parameters:
<FilterType> If you want to use no filter (unfiltered measurements), use
[SENSe:]DDEMod:FILTer[:STATe]
.
GAUS
Select a Gaussian filter.
RC
Select a raised cosine filter.
RRC
Selects a root raised cosine filter.
*RST:
GAUS
Example:
//Select RRC filter
DDEM:FILT:NAME RRC
[SENSe:]DDEMod:FILTer[:STATe]
<State>
This command turns the measurement filter on and off.
Remote Commands of the Digital Demodulation
北京海洋兴业科技股份有限公司（证券代码：839145） www.hyxyyq.com