GW Instek GDS-1000B Series - Math:fft:mag; Math:fft:source; Math:fft:window

COMMAND DETAILS
57
:MATH:FFT:SOURce
Description
Sets and queries the FFT math source.
Syntax
:MATH:FFT:SOURce { CH1 | CH2 | CH3 | CH4 | REF1 |
REF2 | REF3 | REF4 | ? }
Related
commands
:MATH:ADVanced:EDIT:SOURce<X>
:MATH:ADVanced:EDIT:OPERator
Parameter
CH1~4
Channel 1 to 4
REF1~4
Reference waveform 1 to 4
Return parameter
Returns the FFT source.
Example
:MATH:FFT:SOURce CH1
Sets the FFT math source as channel 1.
:MATH:FFT:MAG
Description
Sets FFT vertical units as linear or decibels.
Syntax
:MATH:FFT:MAG {LINEAR | DB | ?}
Parameter
LINEAR
Linear units (Vrms)
DB
Logarithmic units (dB)
Return parameter
Returns the FFT vertical units.
Example
:MATH:FFT:MAG DB
Sets FFT vertical units to dB.
:MATH:FFT:WINDow
Description
Sets the windowing filter used for the FFT
function.
Syntax
:MATH:FFT:WINDow
{RECTangular|HAMming|HANning|BLAckman|?}
Set
Query
Set
Query
Set
Query