Gw-instek GDS-3000 Series Programming Manual Instrukcja Użytkownika Pobierz pdf (Strona 45)

COMMAND DETAILS

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)

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.

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