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Topic: Robust estimation of n-th derivatives of a noisy signal
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Fung Wai Keung

Posts: 10
Registered: 12/7/04
Robust estimation of n-th derivatives of a noisy signal
Posted: Aug 19, 1996 11:42 PM
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I don't know whether this is a suitable newsgroup for my question. If not, I would apologize for any inconvenience caused.

I'm now working on estimate the 1st and 2nd derivatives from a noisy signal. I wonder if there is(are) special filter(s) that can smooth the noisy signal while preserving its derivative information. If so, I can derive information from the filtered signal.

Any help will be greatly appreciated.

Fung Wai Keung

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