修正周期图法matlab我要分享

中文说明：使用修正周期图法对样本数取 N1=64 以及 N3=256 的序列进行功率谱密度分析并作图

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English Description：

The modified periodogram method is used to analyze and plot the power spectral density of the sequences with the sample number of N1 = 64 and N3 = 256