Anritsu MS9740A - Calculate:data:anar

3.4 Device Message Details
3-47
3
Message Details
Example of Use
:CALCulate:CATegory SWTHresh
:CALCulate:DATA?
>+1.55018500E-006,+9.60000000E-011,-999.99
:CALCulate:CATegory SMSR
:CALCulate:DATA?
>+1.03000000E-009,+6.32600000E+001
:CALCulate:CATegory PMD
:CALCulate:DATA?
>+4.73010000E-015,1.53899000E-006,1.55678000E-006,13
:CALCulate:DATA:ANAR?
Function
This command queries the spectrum analysis result.
Syntax
:CALCulate:DATA:ANAR?
Response Data
<numeric>,<numeric>[,<numeric>]
The details of spectrum analysis method and numeric values are as
follows.
Table 3.4.3-1 Response of CALCulate:DATA:ANAR?
Analysis method Numeric value 1 Numeric value 2 Numeric value 3
Envelope method
Center wavelength
(m|Hz)
Spectrum width
(m|Hz)
None
ndB Loss method
Center wavelength
(m|Hz)
Spectrum width
(m|Hz)
Longitudinal
mode count
Integral power
Power (dBm)
Center wavelength
(m|Hz)
None
RMS method
Center wavelength
(m|Hz)
Spectrum width
(m|Hz)
Standard
deviation σ
SMSR method
Wavelength difference
(m|Hz)
Level difference (dB)
None
Threshold method
Center wavelength
(m|Hz)
Spectrum width (nm)
None
The center wavelength, spectrum width and wavelength difference are –1
when analysis cannot be performed. The level difference when analysis
cannot be performed is –999.99.