ex6_42.m

ex5_1 I-型线性相位FIR滤波器 ex5_2 II-型线性相位FIR滤波器 ex5_3 III-型线性相位FIR滤波器 ex5_4 IV-型线性相位FIR滤波器 ex5_5 矩

fs = 1000;
t = 0:1/fs:1;
x = sin(2*pi*100*t) + 4*sin(2*pi*200*t) + sin(2*pi*400*t) + randn(size(t));
pyulear(x, 20, [], fs);