Search - power spectrum in fft

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[Wavelet] FFT DL : 0: 由已知表达式画出原始波形和它的功率谱，并编制一个互相关函数程序，要求提取特定频率的成分，画出变换过程中的波形和功率谱。-Drawn from the known expression of the original waveform and its power spectrum, and the preparation of a cross-correlation function procedure that requires the extraction of specific frequency components, draw in the process of transformation and power spectrum waveforms.
Date : 2026-01-01 Size : 2kb User : 亲爱的米娅