I was planning to develop Android / iOS applications that enable users to measure 3D length using their smartphones.
According to this question, you need to know at least the time-varying bias that affects the accelerometer's signal. Hence, I need to estimate the bias every time a user is going to measure. How can I do that? I've seen articles about this estimation but to be honest I'm not expert in signal processing so I didn't understand them. Can you explain a method to estimate?
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