i want to find tthe frequency components of a multi valued frequency signal. can any one do me a favour plz?

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i want to find the frequency components of a multi valued frequency signal. can any one do me a favour plz?

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Star Strider
Star Strider 2016 年 1 月 8 日

Image Analyst
Image Analyst 2016 年 1 月 9 日
Try pwelch() if you have the Signal Processing Toolbox, or its friends like spectrogram() or periodogram() or fft().

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