main_pcm.m

用MATLAB实现PCM（脉冲调制）的编码

echo on
t=[0:0.01:10]
a=sin(t);
[sqnr8,aquan8,code8]=u_pcm(a,8);
[sqnr16,aquan16,code16]=u_pcm(a,16);
pause;
sqnr8
pause
sqnr16
pause
plot(t,a,'-',t,aquan8,'-.',t,aquan16,'-',t,zeros(1,length(t)))