怎么在matlab中画出信号n=[0:64]; x1=sin(pi*(n-32)/4)./(pi*(n-32)/4); 的频谱图和进行希尔伯特变换我试过用fft命令,但画不出来,下面是我的代码w=linspace(0,fc,64);f1=fft(x1);figure(3)stem(w,abs(f1))最好能把这个画
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 13:55:27
![怎么在matlab中画出信号n=[0:64]; x1=sin(pi*(n-32)/4)./(pi*(n-32)/4); 的频谱图和进行希尔伯特变换我试过用fft命令,但画不出来,下面是我的代码w=linspace(0,fc,64);f1=fft(x1);figure(3)stem(w,abs(f1))最好能把这个画](/uploads/image/z/13764355-43-5.jpg?t=%E6%80%8E%E4%B9%88%E5%9C%A8matlab%E4%B8%AD%E7%94%BB%E5%87%BA%E4%BF%A1%E5%8F%B7n%3D%5B0%3A64%5D%3B+x1%3Dsin%28pi%2A%28n-32%29%2F4%29.%2F%28pi%2A%28n-32%29%2F4%29%3B+%E7%9A%84%E9%A2%91%E8%B0%B1%E5%9B%BE%E5%92%8C%E8%BF%9B%E8%A1%8C%E5%B8%8C%E5%B0%94%E4%BC%AF%E7%89%B9%E5%8F%98%E6%8D%A2%E6%88%91%E8%AF%95%E8%BF%87%E7%94%A8fft%E5%91%BD%E4%BB%A4%2C%E4%BD%86%E7%94%BB%E4%B8%8D%E5%87%BA%E6%9D%A5%2C%E4%B8%8B%E9%9D%A2%E6%98%AF%E6%88%91%E7%9A%84%E4%BB%A3%E7%A0%81w%3Dlinspace%280%2Cfc%2C64%29%3Bf1%3Dfft%28x1%29%3Bfigure%283%29stem%28w%2Cabs%28f1%29%29%E6%9C%80%E5%A5%BD%E8%83%BD%E6%8A%8A%E8%BF%99%E4%B8%AA%E7%94%BB)
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