MATLAB Answers

Coherence as a function of time

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Hinna Ahmed
Hinna Ahmed 2019 年 10 月 16 日
Commented: Hinna Ahmed 2019 年 10 月 21 日
Hey,
How is it possible in MATLAB to calculate Coherence as a function of time for two nonstationary signals (EEG)?

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Bjorn Gustavsson
Bjorn Gustavsson 2019 年 10 月 16 日
Have a look at mscohere, and its help and documentation. It should allow you to calculate the coherence. My version resides in the signal processing toolbox. If you don't have that toolbox, I think you'd have to write your own versions of
spectrogram, and related functions, that will be a bit of a bother but shouldn't be toooooo hard if your application allows you to be a bit less general than Mathworks has to be.
HTH

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Hinna Ahmed
Hinna Ahmed 2019 年 10 月 21 日
Thank you very much. I have tried wih mscohere but it is not possible. I want to generate a similar image as shown below.
pic.png

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