Introduction - If you have any usage issues, please Google them yourself
The design a CQMFB, the low-pass filter H0 (z) from the half band filter. The length of the half-band filter 47, the passband cutoff frequency ωp = 0.42 π-test given h0 (z), H1 (z), G0 (Z), G1 (Z) of the amplitude-frequency response, response unit sampling and Paint.