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short time fast fourier transform and waterfall model

Started by vinu jyothi February 5, 2002
HI Everybody

how to plot short fast fourier transform of a signal.Is there any other command
other than fft.also how to plot waterfall model(3d plot)for a speech
spectrum,the 3 parameters r amplitude,time and frequency.

thank u




Hi,
You can check Lab9 on www.dspexperts.com . They have a lab on STFT. Hope that
helps
vinu jyothi <> wrote: HI Everybody

how to plot short fast fourier transform of a signal.Is there any other command
other than fft.also how to plot waterfall model(3d plot)for a speech
spectrum,the 3 parameters r amplitude,time and frequency.

thank u
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