How can I remove harmonics from my spectrogram?

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There are several harmonics plotting in my power spectral density spectrogram but I only want to include the first one. How can I remove the other harmonics?

回答(1 个)

Star Strider
Star Strider 2022-7-29
If you know the frequency of the fundamental (that is what I assume you are referring to), use the bandpass function on the time-comain signal. For best results, specify the name-value pair 'ImpulseResponse','iir'.

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