Anritsu MS9740A - Calculate:data:apr:ldsbco

3.4 Device Message Details
3-59
3
Message Details
:CALCulate:DATA:APR:LDSBco?
Function
This command queries the LD Module application results.
The :CALCulate:DATA:APR? command response plus the below data is
returned to this command.
Signal, NDW, Stop Band, Center Offset
Syntax
:CALCulate:DATA:APR:LDSBco?
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)
14
<numeric>
Stop Band: Wavelength difference of both
side modes of peak wavelength (m)
15
<numeric>
Center Offset: Difference of means of peak
wavelength and both side modes
wavelength (m)
Example of Use
:CALCulate:DATA:APR:LDSBco?
>+1.25000000E-010,+5.30000000E-011,+1.54611900E-006,-3.3
3100000E+001,+2.10400000E+000,+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,+4
.12700000E-009,1.44400000E-010