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 note to self: do not use robot to retrieve cars from water. - Greg Marra [more] |
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| note to self: do not use robot to retrieve cars from water. - Greg Marra [more] |
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#11
22-01-2009, 10:35
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Re: Accelerometer success?
What about a Fast Fourier Transform? Couldn't you theoretically FFT the signal, implement a low-pass filter, and then inverse FFT it into a (relatively at least) very clean signal?
I'm thinking of fiddling around with this idea, as I have some code laying around that does FFTs very efficiently. I'm still a little concerned about the processing power involved, but if I get this working then I will go ahead and post it up somewhere online. On the simpler side, though, the moving average is nearly unbeatable. Our signals-processing mentor strongly encourages going after that idea before getting into steadily more complex ideas. -Matt |
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