kopia lustrzana https://github.com/xaelsouth/rtl-wmbus
28 wiersze
451 B
Matlab
28 wiersze
451 B
Matlab
clear all;
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samplerate = 1600e3;
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nyqistrate = samplerate/2;
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Wp1 = 160e3/nyqistrate;
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Ws1 = 200e3/nyqistrate;
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Rp = 1;
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Rs = 40;
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[n, Wc] = buttord(Wp1, Ws1, Rp, Rs);
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[b] = fir1(n, Wc);
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x = 1:22;
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y = filter(b,1,x);
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y = y(2:2:end);
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phase_channels = 2;
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b_poly = buffer(b, phase_channels);
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y1 = filter(b_poly(2,:), 1, x(1:2:end));
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y2 = filter(b_poly(1,:), 1, x(2:2:end));
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y_poly = y1 + y2;
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y_err = y - y_poly;
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print_ppf_filter_coef(b, phase_channels);
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