matlab,根据两正弦信号之和的频域,分离这两个正弦信号load data.mat;y=data(1,:);N=512;fy=abs(fft(y,N));w=1e3.*(0:N/2)/N;subplot(311)plot(w,fy(1:N/2+1)) %画频谱图--------------以上源程序已求出两正弦信号之和的频域
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![matlab,根据两正弦信号之和的频域,分离这两个正弦信号load data.mat;y=data(1,:);N=512;fy=abs(fft(y,N));w=1e3.*(0:N/2)/N;subplot(311)plot(w,fy(1:N/2+1)) %画频谱图--------------以上源程序已求出两正弦信号之和的频域](/uploads/image/z/2341448-8-8.jpg?t=matlab%2C%E6%A0%B9%E6%8D%AE%E4%B8%A4%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7%E4%B9%8B%E5%92%8C%E7%9A%84%E9%A2%91%E5%9F%9F%2C%E5%88%86%E7%A6%BB%E8%BF%99%E4%B8%A4%E4%B8%AA%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7load+data.mat%3By%3Ddata%281%2C%3A%29%3BN%3D512%3Bfy%3Dabs%28fft%28y%2CN%29%29%3Bw%3D1e3.%2A%280%3AN%2F2%29%2FN%3Bsubplot%28311%29plot%28w%2Cfy%281%3AN%2F2%2B1%29%29+%25%E7%94%BB%E9%A2%91%E8%B0%B1%E5%9B%BE--------------%E4%BB%A5%E4%B8%8A%E6%BA%90%E7%A8%8B%E5%BA%8F%E5%B7%B2%E6%B1%82%E5%87%BA%E4%B8%A4%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7%E4%B9%8B%E5%92%8C%E7%9A%84%E9%A2%91%E5%9F%9F)
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