jens
489aecaee1
git-svn-id: http://moon:8086/svn/matlab/trunk@14 801c6759-fa7c-4059-a304-17956f83a07c
12 lines
275 B
Matlab
12 lines
275 B
Matlab
function [f dmod] = fdet_coarse(x, N, fs, f_off_lo, df, f_off_hi)
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f_range = (f_off_lo:df:f_off_hi);
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for k=1:lge(f_range)
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x_est = exp(-j*(2*pi*f_range(k)/fs*(0:N-1)' + 0));
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dmod(k) = sum(x(1:N).*x_est);
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end;
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[v maxk] = max(abs(dmod));
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f = f_range(maxk);
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