@ Filtering accelerometer Data
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I have recorded accelerations on vibration setup using accelerometer.
How to filter the low frequency accelerometer data? Can anybody provide me general code to filter data?
Thanks and regards, Mac.
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Star Strider
le 8 Juil 2015
I would first do an fft of your data to identify the approximate frequencies of your valid signal and where the high-frequency noise begins. Then use a bandpass filter with a low cutoff of about 1 Hz (to eliminate D-C offset and low-frequency baseline variations) and a high-frequency cutoff to eliminate the noise.
A general outline of filter design and implementation (using the Signal Processing Toolbox) is here.
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