怎样用Matlab软件画出信号的时域波形和频谱图
http://zhidao.baidu.com/question/334158756647737045.html?fr=iks&word=%C8%E7%BA%CE%D3%C3matlab%C8%ED%BC%FE%BB%AD%B3%F6%CA%D6%BB%FA%CB%F9%C2%BC%C9%F9%D2%F4%B5%C4%C6%B5%C6%D7%CD%BC%BA%CD%CA%B1%D3%F2%CD%BC&ie=gbk ——百度知道
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);plot(t,f1,t,f2);figure(2);t=1000*(1:512)/1024;ff1=fft(f1,1024)/1024;dff1=2*...