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

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Справка по командам SCPI

OSA

501

Product-Specific Commands—Description

:CALCulate[1..n][:WDM]:DATA:CHANnel:

BANDwidth[1|2]|BWIDth[1|2]:

FREQuency?

Description

This query returns computed WDM analysis result
for frequency bandwidth of the selected channel.

At *RST, this value is not available.

Syntax

:CALCulate[1..n][:WDM]:DATA:CHANnel:BANDw
idth[1|2]|BWIDth[1|2]:FREQuency?

Parameter(s)

None

Response Syntax

<Bandwidth>

Response(s)

Bandwidth:
The response data syntax for <Bandwidth> is
defined as a <NR3 NUMERIC RESPONSE
DATA> element.

The <Bandwidth> response corresponds to the
computed frequency bandwidth in hertz.

Example(s)

CALC:CHAN:DEL:ALL
CALC:CHAN:DEF "C_5", 190.8291 THZ
CALC:BAND2:RLEV 5.0 DB
<Do measurement>
CALC:DATA:CHAN:SEL "C_5"
CALC:DATA:CHAN:BAND1:FREQ? Returns
5.700000E+009

CALC:DATA:CHAN:BAND2:FREQ? Returns
1.330000E+010

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