p1_6.m

来自「《数字信号处理——基于计算机计算方法》的源码」· M 代码 · 共 11 行

% Program P1_6
% Generation of amplitude modulated sequence
clf;
n = 0:100;	
m = 0.4;fH = 0.1; fL = 0.01;				
xH = sin(2*pi*fH*n);
xL = sin(2*pi*fL*n);
y = (1+m*xL).*xH;
stem(n,y);grid;
xlabel('Time index n');ylabel('Amplitude');