Bk-precision 2552-2559 - Programming Manual Uživatelský manuál stáhnout pdf (Strana 52)

DESCRIPTION The FFT_WINDOW command selects the

window of FFT(Fast Fourier Transform

algorithm).

The response to the FFT_WINDOW? query

indicates current window of FFT

COMMAND SYNTAX FFT_WINDOW <window>

< window > : = {RECT,BLAC,HANN,HAMM}

RECT is short for rectangle.

BLAC is short for Blackman.

HANN is short for hanning.

HAMM is short for hamming,

QUERY SYNTAX FFT_WINDOW？

RESPONSE FORMAT FFT_WINDOW,<window>

EXAMPLE The following command sets the FFT window

to hamming:

Command message:

FFTW HAMM

FUNCTION

FFT_WINDOW, FFTW

Command /Query

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Bk-precision 2552-2559 - Programming Manual Uživatelský manuál Strana 52