24小时热门版块排行榜    

北京石油化工学院2026年研究生招生接收调剂公告
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[交流] 【求助】求助matlab程序

有这样一个信号:
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g=[1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,1,1,1,0,0,0,0,0,1,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,0,1,0,1,1,1,1,0,0,0,0,0,0,0,1,0,1,1,0,0,1,0,1,0,1,1,1,0,0,1,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,1,0,1,1,1,1,0,1,0,0,0,0,0,1,1,1,1,1,1,0,1,0,1,0,1,1,1,0,0,0,0,0,1,0,1,0,1,0,1,0,0,0,1,0,1,0,0,0,0,1,0,1,0,0,0,0,0,1,1,0,0,0,0,1,0,0,1,1,1,1,0,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,1,0,1,0,0,0,1,1,1,1,1,0,0,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,0,0,1,0,1,0,1,0,1,0,1,0,0,0,1,1,0,1,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1,0,1,1,0,1,0,0,0,0,0,1,1,1,1,0,1,1,0,1,0,1,0,0,1,1,1,1,0,1,0,0,0,0,0,1,0,1,1,0,0,1,0,1,0,0,0,1,0,1,0,0,0,0,1,1,1,1,0,0,1,0,0,0,1,0,0,1,1,1,0,0,1,0,0,0,1,0,1,1,1,0,0,0,0,0,1,0,0,1,0,1,0,0,1,0,0,0,0,0,1,0,0,1,1,1,0,1,0,0,0,0,0,1,0,1,1,1,1,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,1,1,1,1,1,1,0,1,0,0,0,0,0,1,1,1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,1,0,1,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,1,0,0,1,1,0,0,0,1,1,1,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,1,1,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,1,1,1,0,1,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,1,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,1,0,0,0,1,0,0,0,0,1,1,0,1,1,1,0,1,1,1,0,1,0,1,1,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,1,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,1,0,1,0,1,0,0,0,1,1,0,0,0,0,0,0];
f_a=(abs(fft(a))).^2;
f_t=(abs(fft(t))).^2;
f_c=(abs(fft(c))).^2;
f_g=(abs(fft(g))).^2;
f_sum=f_a+f_t+f_c+f_g;信号f_sum,请问使用加窗傅里叶变换,如何得到一个二维的谱图(如附件)?哪位能帮忙写下代码?谢谢了!窗口大小为100
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