Filtering 50Hz frequency

조회 수: 6 (최근 30일)

M G 2011년 3월 7일

Hi there,

Please could you give me a hint how I can eliminate the 50Hz frequency (electricity noise) from my eeg signals?

By FT? If so, how?

I appreciate your help.

Walter Roberson 2011년 3월 7일

fft would be one method: fft the signal, find the bin that corresponds to 50 Hz, zero that entry (and its mirror) and ifft() back.

More commonly you would use a band-stop filter.

Sciences Neuroscience Human Brain Mapping EEG/MEG/ECoG

Help Center 및 File Exchange에서 EEG/MEG/ECoG에 대해 자세히 알아보기

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by