DFT Computation in Matlab

markwilest · Nov 2, 2006

Hi,

I need to compute the 128-pt DFT for y[n] = -0.9 * y[n-2] + δ[n] and for w[n] = (0.92)^-n * y[n] using Matlab

Thanks,

Mark

rsrinivas · Nov 3, 2006

use fft function

amriths04 · Nov 3, 2006

initialize y and the impulse(delta) function. then take fft(sig_name,128);

AMRITH.S.

markwilest said:
Hi,

I need to compute the 128-pt DFT for y[n] = -0.9 * y[n-2] + δ[n] and for w[n] = (0.92)^-n * y[n] using Matlab

Thanks,

Mark

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