Mercurial > hg > ddm
view fourier_kernel_win.m @ 4:72c011ed1977 tip
more elaborate example with non-stat. estimate explanation
author | smusevic |
---|---|
date | Tue, 30 Jul 2013 09:56:27 +0100 |
parents | a4a7e3405062 |
children |
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function [fk fk_ders] = fourier_kernel_win(frqs, N,fs, win, win_der) R = size(frqs,2); t = [- (N - 1) / 2:(N - 1) / 2]' / fs; win_mat = repmat(win, [1,R]); win_der_mat = repmat(win_der, [1,R]); t_mat = repmat(t, [1, R]); frq_mat = repmat(frqs, [N, 1]); krnls = exp(1j .* t_mat .* frq_mat); fk = win_mat .* krnls; fk_ders = (1j * win_mat .* frq_mat + win_der_mat) .* krnls; end