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Matlab for the Dolph-Chebyshev Window

In Matlab, the function chebwin(M,ripple) computes a length $ M$ Dolph-Chebyshev window having a side-lobe level ripple dB below that of the main-lobe peak. For example,

w = chebwin(31,60);
designs a length $ M=31$ window with side lobes at $ -60$ dB (when the main-lobe peak is normalized to 0 dB).

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