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How to remove DC offset from matrix dataset?

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sri ram
sri ram 2021-2-5
评论： dpb 2021-2-5
I want to remove DC offset from the dataset in M1.mat(available in attachment). The dataset is 128*256 & complex valued. How to remove DC offset using MATLAB?
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dpb
dpb 2021-2-5
Not sure what it means to detrend a complex variable, precisely,
detrend thinks it means to subtract mean of real and imaginary components; but that can change phase drastically so may or may not make any sense depending upon what is next step(s).

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