A CQMFB, low-pass filter H0 (z) half band filter.The half band filter length of 47, passband by frequency = 0.42 PI, try to give H0 (z), H1 (z), G0 (z), the amplitude frequency response of G1 (z), unit sample response and drawing.Try to generate a signal, it is composed of two sine added white noise, one is in low frequency, one in high frequency, the frequency of the sinusoidal and white noise and the signal-to-noise ratio of a given himself.Trial designed for the signal decomposition and reconstruction filter group.Comparing the effect of reconstruction, and continue to analysis the results.

test04.m

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