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From: heathermiller on 12 Jan 2010 08:40
>>Thanks for that. Is there an equivalent Wiener filter for the APA
>>method or is it just that the APA method gives a more accurate Wiener
>>solution in the stationary noise case? ie they both minimize mse?
>>
>>Hardy
>>****************************************************
>The second, ie they both minimize the MSE.
>The Wiener filter for estimating d from u is
>
>w = inverse(Ru) * Rdu
>
>All of them, the LMS, NLMS and APA are approximations to the Wiener
>filter. Just as you said, APA is a better approximation than LMS or
NLMS.
>
>Manolis
>

So does APA typically converge faster? Or is the MSE typically smaller
with APA(as you say, a better approximation)?




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