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Your time series looks very regular: «big bump» followed by «small bump», then repeat. Is that representative of you application, or are you engaging the accelerometer in som kind of test setting? Do you expect this regularity in the final application? If not, then perhaps generate a more representative waveform? If this is your expected behaviour, perhaps ...


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In the windowing design method for FIR filters, the impulse response for the desired frequency response filter is selected with a window. Typically the desired frequency response is a rectangular function in frequency (a brickwall filter, pass a group of frequencies and block the rest), in which case the ideal impulse response is a Sinc function. In this ...


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