EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Инструкция (Страница 529)

Справка по командам SCPI
OSA 523
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
ENBW?
Description This query returns equivalent noise bandwidth of
the selected channel.
At *RST, this value is not available.
Syntax :CALCulate[1..n][:WDM]:DATA:CHANnel:ENBW?
Parameter(s) None
Response Syntax <ENBW>
Response(s) ENBW:
The response data syntax for <ENBW> is defined
as a <NR3 NUMERIC RESPONSE DATA>
element.
The <ENBW> response corresponds to the
computed equivalent noise bandwidth of the
channel. The returned value is expressed in
meter.
Example(s) CALC:CHAN:DEL:ALL
CALC:CHAN:DEF "CWDM_03", 1615.000 NM
CALC:CHAN:SEL "CWDM_03"
CALC:CHAN:SIGP:TYPE IPOW
CALC:CHAN:NOIS:AUTO OFF
CALC:CHAN:NOIS:TYPE IEC
<Do measurement>