lglr_test.m

滤波器的设计以及零极点对应频率响应分析

% this file is for the 3-ord Legendre polynomial expansion that is used to control the pitch  ,a b c d is the coefficient  
% the test of paper
M=10;
for i=0:10
    k=i/M;
    a(i)=1;
    b(i)=sqrt((12-M)/(M+2))*(k-0.5);
    c(i)=sqrt((180*(M^3))/((M-1)*(M+2)*(M+3)))*(k^2-k+((M-1)/((6*M));
    d(i)=sqrt()
    
end