Finding high and low frequency noise....
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Tinkul
am 3 Mai 2014
Beantwortet: Star Strider
am 3 Mai 2014
Is power line interference high frequency noise in ecg and base line wandering low frequency noise in ecg? Is both the noise present in EMG and EEG signal?
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Image Analyst
am 3 Mai 2014
OK, but do you have a MATLAB question for this MATLAB forum? If you do, attach your m-file. http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer
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Star Strider
am 3 Mai 2014
Powerline noise can appear in poorly-instrumented EMG and EEG signals. The usual way to deal with this in hardware is to have a good subject reference ground, no ground faults (patient ground and instrument ground are the same), and to use shielded cables.
You can get rid of the 50-60 Hz noise in the recorded signal using a digital notch filter. Baseline wandering is usually dealt with by using an appropriately-designed bandpass filter.
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