Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Instrukcja Użytkownika Strona 482

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Справка по командам SCPI
476 FTB-5240S/S-P/BP
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 meter from peak to center of noise
region.
The
CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTan
ce[:WAVelength]? MIN and
CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTan
ce[:WAVelength]? MAX queries can be used to
determine valid distance values.
Example(s) CALC:WDM:CHAN:DEF "CWDM_3",1410.0 NM
CALC:WDM:CHAN:SEL "CWDM_3"
CALC:WDM:CHAN:NOIS:TYPE POLY5
CALC:WDM:CHAN:NOIS:DIST:WAV 40.0 NM
CALC:WDM:CHAN:NOIS:DIST:WAV? Returns
4.000000E-008
Notes Custom noise measurement distance is applied
only if selected noise type is POLYnomial5.
See Also :CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTa
nce:FREQuency
:CALCulate[1..n][:WDM]:CHANnel:NOISe:DISTa
nce[:WAVelength]?
:CALCulate[1..n][:WDM]:CHANnel:NOISe:WIDTh
[:WAVelength]
:CALCulate[1..n][:WDM]:CHANnel:NOISe:TYPE
:CALCulate[1..n][:WDM]:CHANnel:SELect
:CALCulate[1..n][:WDM]:CHANnel:AUTO:NOISe:
DISTance[:WAVelength]
:CALCulate[1..n][:WDM]:CHANnel:
NOISe:DISTance[:WAVelength]
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