u_chblap.m

MATLAB信号处理扩展函数,用于信号处理的扩展函数

function [b,a]=u_chb1ap(N,Rp,Omegac);%非归一化Chebyshev 1 型低通滤波器源型设计
         [z,p,k]=cheblap(N,Rp);
                a=real(poly(p));
                aNn=a(N+1);
                p=p*Omegac;
                a=real(poly(p));
                aNu=a(N+1);
                k=k*aNu/aNn;
                b0=k;
                b=real(poly(z));
                b=k*B;