怎样用Matlab软件画出信号的时域波形和频谱图
http://zhidao.baidu.com/question/327431671.html?fr=iks&word=x%3D1%3A0.1%3A10%3B+y%3Df%28x%29%3B+%CA%B1%D3%F2%3Aplot%28x%2Cy%29%3B+y0%3Dfft%28y%29%3B+plot%28x%2Cabs%28y0%29%29%3B+plot%28x%2Cangle%28y0%29%29+%D7%B7%CE%CA+%C6%B5%C6%D7%C4%D8%3F+%D7%B7%B4%F0+y0%3Dfft%28y%29&ie=gbk ——百度知道
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答:x=1:0.1:10;y=f(x);时域:plot(x,y);y0=fft(y);plot(x,abs(y0));plot(x,angle(y0))