EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Инструкция (Страница 477)

Справка по командам SCPI
OSA 471
Product-Specific Commands—Description
DEFault allows the instrument to select a value
for the <Distance> parameter.
The <Distance> parameter corresponds to a valid
distance in hertz from peak to center of noise
region.
The
CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTan
ce:FREQuency? MIN and
CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTan
ce:FREQuency? MAX queries can be used to
determine valid distance values.
Example(s) CALC:WDM:CHAN:DEF "C_23",195.0 THZ
CALC:WDM:CHAN:SEL "C_23"
CALC:WDM:CHAN:NOIS:TYPE POLY5
CALC:WDM:CHAN:NOIS:DIST:FREQ 125.0
GHZ
CALC:WDM:CHAN:NOIS:DIST:FREQ? Returns
1.250000E+011
:CALCulate[1..n][:WDM]:CHANnel:
NOISe:DISTance:FREQuency