www.gusucode.com > 循环自相关函数工具箱源码程序 > matlab代做 修改 程序循环自相关函数工具箱/cyclostationary_toolbox/ex2.m
clear; clc; t=0:1/600:1023/600; A=1;B=1;fb=7;fa=100; x=A*(1+B*cos(2*pi*fb*t)).*cos(2*pi*fa*t); figure(1) plot(t,x); axis([0 1 -2 2]); alpha=2*pi/300; max_tau=0; R=cyclic_autocorrelation(x,alpha,max_tau); y=sqrt(R.*conj(R)); ff=0:2:300-2; figure(2) plot(ff(1:150),y(1:150));