Calculate[1..n][:wdm]:data:osnr: flatness – Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)
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Справка по командам SCPI
544
FTB-5240S/S-P/BP
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:OSNR:
FLATness?
Description
This query returns computed WDM analysis
global result for signal-to-noise ratio flatness.
At *RST, this value is not available.
Syntax
:CALCulate[1..n][:WDM]:DATA:OSNR:FLATness
?
Parameter(s)
None
Response Syntax
<Flatness>
Response(s)
Flatness:
The response data syntax for <Flatness> is
defined as a <NR3 NUMERIC RESPONSE
DATA> element.
The <Flatness> response corresponds to the
computed signal-to-noise ratio flatness.
Example(s)
<Do measurement>
UNIT:RAT DB
CALC:DATA:OSNR:FLAT? Returns
2.992000E+001
Notes
Special NAN (not a number) value
-2251799813685248 is returned if analysis result
could not be computed.
See Also
:CALCulate[1..n][:WDM]:DATA:OSNR:MEAN?
:CALCulate[1..n][:WDM]:DATA:SIGnalPower:FLA
Tness?
:CALCulate[1..n][:WDM]:DATA:SIGnalPower:ME
AN?
:CALCulate[1..n][:WDM]:DATA:TPOWer?