:CALCulate:PARameter[:CATegory]:WDM:
DMASk
Function Sets/queries the channel mask threshold level
for the WDM analysis function.
Syntax
:CALCulate:PARameter[:CATegory]:WDM
:DMASk<wsp><NRf>[DB]
:CALCulate:PARameter[:CATegory]:WDM
:DMASk?
<NRf> = Threshold level [dB] (–999: Mask OFF)
Example
:CALCULATE:PARAMETER:WDM:DMASK -999
:CALCULATE:PARAMETER:WDM:DMASK? ->
-9.99000000E+002
Explanation • Channels the level of which are below this
parameter will not be detected as a channel.
• To turn off the channel mask function, set the
threshold level to –999.
• This is a sequential command.
:CALCulate:PARameter[:CATegory]:WDM:
DTYPe
Function Sets/queries the displayed waveforms of the
analysis results for the WDM analysis function.
Syntax
:CALCulate:PARameter[:CATegory]:WDM
:DTYPe<wsp><display type>
:CALCulate:PARameter[:CATegory]:WDM
:DTYPe?
<display type>
=Type of display
ABSolute = Absolute value display
RELative = Relative value display
MDRift = Drift value display based on the
past measurement wavelength
GDRift = Drift value display based on the grid
wavelength
Response 0 = Absolute value display
1 = Relative value display
2 = Display drift value using
previously measured waveforms
as a reference
3 = Display drift value using grid
wavelength as a reference
Example
:CALCULATE:PARAMETER:WDM:DTYPE:ABSO
LUTE
:CALCULATE:PARAMETER:WDM:DTYPE:ABSO
LUTE? -> 0
Explanation • On the AQ6373/AQ6373B, the following
display types cannot be set.
GDRift, RELative
• This is a sequential command.
:CALCulate:PARameter[:CATegory]:WDM:
DUAL
Function Sets/queries the SNR calculation mode for the
WDM analysis function.
Syntax
:CALCulate:PARameter[:CATegory]:WDM
:DUAL<wsp>OFF|ON|0|1
:CALCulate:PARameter[:CATegory]:WDM
:DUAL?
Response 0 = OFF, 1 = ON
Example
:CALCULATE:PARAMETER:WDM:DUAL ON
:CALCULATE:PARAMETER:WDM:DUAL ON?
-> 1
Explanation • When this set value is 1 (ON), SNR
calculation uses both traces A and B data.
• When this set value is 0 (OFF), SNR
calculation uses active trace data.
• This is a sequential command.
:CALCulate:PARameter[:CATegory]:WDM:
FALGo
Function Sets/queries the fitting function during
level measurement applied to noise level
measurements made by the WDM analysis
function.
Syntax
:CALCulate:PARameter[:CATegory]:WDM
:FALGo<wsp><algorhythm>
:CALCulate:PARameter[:CATegory]:WDM
:FALGo?
LINear = LINEAR
GAUSs = GAUSS
LORenz = LORENZ
3RD = 3RD POLY
4TH = 4YH POLY
5TH = 5TH POLY
Response 0 = LINEAR
1 = GAUSS
2 = LORENZ
3 = 3RD POLY
4 = 4YH POLY
5 = 5TH POLY
Example:
CALCULATE:PARAMETER:WDM:FALGO GAUSS
:CALCULATE:PARAMETER:WDM:FALGO? ->
1
Explanation This is a sequential command.
7.6 Instrument-Specific Commands
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