Anritsu MS9740A - Calculate:data:apr:ldndw

Chapter 3 Message Details
3-58
:CALCulate:DATA:APR:LDNDw?
This command queries the LD Module application results.
The response data to this command has the following data appended to
the response data to the :CALCulate:DATA:APR? command.
Signal, NDW
Syntax
:CALCulate:DATA:APR:LDNDw?
Response Data
<numeric>,<numeric>,…,<numeric>
No.
Parameter type
Description
1
<numeric>
K
σ
: Spectrum width (m)
2
<numeric>
σ
: Standard deviation (m)
3
<numeric>
2nd Peak: Side mode wavelength (m)
4
<numeric>
2nd Peak: Side mode level (dBm)
5
<numeric>
Mode Offset: Difference between side mode
wavelength and peak wavelength (m)
6
<numeric>
SMSR: Side mode suppression ratio (dB)
7
<numeric>
Peak: Peak wavelength (m)
8
<numeric>
Peak: Peak level (dBm)
9
<numeric>
SNR (/*.*nm): Signal-noise ratio (noise level
per noise bandwidth) (dB)
10
<numeric>
SNR(Res **nm): Signal-noise ratio (actual
value) (dB)
11
<numeric>
Signal: Signal wavelength (m)
12
<numeric>
Signal: Signal level (dBm)
13
<numeric>
NDW: Spectrum wavelength width at cut
level (m)
Example of Use
:CALCulate:DATA:APR:LDNdw?
>+1.25000000E-009,+5.30000000E-011,+1.54611900E-006,-3.3
3100000E+001,+2.10400000E-009,+3.95600000E+001,+1.548223
00E-006,+6.25000000E+000,+4.46100000E+001,+4.16500000E+0
01,+1.54820900E-006,+5.22000000E+000,+8.60000000E-011