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From: nethaji anandhavalli on 11 Apr 2010 12:12

i want to find threshold for the coeffiicient L, so that based on that threshold value, filter get designed for segregating noisy and original one. whether this following functions get applicable for finding that threshold value?

[C,L] = dwt(y,'db4');
[thr,sorh,keepapp] = ddencmp('den','wv',L
From: Walter Roberson on 11 Apr 2010 12:16
nethaji anandhavalli wrote:
>
> i want to find threshold for the coeffiicient L, so that based on that
> threshold value, filter get designed for segregating noisy and original
> one. whether this following functions get applicable for finding that
> threshold value?

> [C,L] = dwt(y,'db4');
> [thr,sorh,keepapp] = ddencmp('den','wv',L

That code has to be wrong - you do not have a closing ) on the second line.

(I don't know anything about filters or dwt, though.)
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