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annotate fourier_kernel.m @ 4:72c011ed1977 tip

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more elaborate example with non-stat. estimate explanation
author smusevic
date Tue, 30 Jul 2013 09:56:27 +0100
parents a4a7e3405062
children
rev   line source
dan@0 1 function [fk fk_ders] = fourier_kernel(frqs, N,fs)
dan@0 2 R = size(frqs,2);
dan@0 3 t = [-(N-1)/2:(N-1)/2]'/fs;
dan@0 4
dan@0 5 t_mat = repmat(t,[1,R]);
dan@0 6 frq_mat = repmat(frqs,[N,1]);
dan@0 7 fk = exp(1j .* t_mat .* frq_mat);
dan@0 8 fk_ders = 1j * fk .* frq_mat;
dan@0 9 end