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Math:fft:mag, Math:fft:window – GW Instek GDS-3000 Series Programming Manual User Manual

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COMMAND DETAILS

45

Example

:MATH:FFT:SOURce CH1
Sets the FFT math source as channel 1.
:MATH:FFT:SOURce?
CH1
Return the FFT math source as channel 1.

:MATH:FFT:MAG

Set

Query

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 are dB.

:MATH:FFT:WINDow

Set

Query

Description

Sets the windowing filter used for the FFT
function.

Syntax

:MATH:FFT:WINDow
{RECTangular|HAMming|HANning|BLAckman|?}

Parameter

RECTangular Rectangular window

HAMming Hamming window

HANning

Hanning window

BLAckman Blackman window

Return parameter Returns the FFT window.

Example

:MATH:FFT:WINDow HAMming
Sets the FFT window filter to hamming.