Data within a spectogram

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kunle
kunle 2017-12-9
回答： Star Strider 2017-12-9
Hello there,
I am processing a chirp signal using STFT plotted on a spectrogram. After observing the time-frequency behavior of my signal on the spectrogram, I want to pull out the data responsible for my spectrogram. How do I do that? Thanks

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Star Strider
Star Strider 2017-12-9
I am not certain what you want.
Getting information from the spectrogram function is clearly explained in the documentation: Spectrogram and Instantaneous Frequency (link).

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