happysjs
2013-06-29, 20:30
xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+randn(size(n));用matlab把正弦信号分离出来
N=512;Nfft=1024;Fs=2*pi;
n=0:N-1;
xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+randn(size(n));
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N=512;Nfft=1024;Fs=2*pi;
n=0:N-1;
xn=sin(0.2*pi*n)+sin(0.4*pi*n)+sin(0.6*pi*n)+randn(size(n));
我qq 540854654 可以支付宝支付