?? ladrfilt.m
字號:
function [y] = ladrfilt(K,C,x)
% LATTICE/LADDER form realization of IIR filters
% ----------------------------------------------
% [y] = ladrfilt(K,C,x)
% y = output sequence
% K = LATTICE (reflection) coefficient array
% C = LADDER coefficient array
% x = input sequence
%
Nx = length(x); y = zeros(1,Nx);
N = length(C); f = zeros(N,Nx); g = zeros(N,Nx+1);
f(N,:) = x;
for n = 2:1:Nx+1
for m = N:-1:2
f(m-1,n-1) = f(m,n-1) - K(m-1)*g(m-1,n-1);
g(m,n) = K(m-1)*f(m-1,n-1) + g(m-1,n-1);
end
g(1,n) = f(1,n-1);
end
y = C*g(:,2:Nx+1);
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -