design a filter for heart signal
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Hello I have piezoelectric heart signal and I want to separate the breathing signal and nonbreathing signal in MATLAB smartly(it means whatever signal I give it to that code it separates automatically), I'm thinking about a filter which can detect the high frequency and low frequency but I don't know how to do it. any suggestion?thank you.
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Christoph F.
2017-10-16
Digital signal processing is a complex and extensive topic. Even with mathematical background knowledge, weeks or months of study are necessary.
You could start out with calculating a moving average of the signal with an averaging period between 640ms and 1000ms. This should show the low-frequency respiration component, but this method is in no way "smart".
If the task is urgent and important, paying a consultant to do it may be the best course of action.
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