function?[emsece]?=?nlms（ylongxlongLhEP）
%?title:?NLMS?Adaptive?Filter
%?adaptive?filter?here?with?the?following?inputs?and?outputs:
%?ylong:?lngexp?by?1?vector?of?far-end?signal
%?xlong:?lngexp?by?1?vector?of?near-end?signal
%?L:?length?of?the?adaptive?filter?scalar
%?hEP:?true?echo?path?vector?L?by?1?vector

%?e:?lngexp?by?1?vector?of?cancelled?echo
%?mse:?lngexp?by?1?vector?of?filtered?error?energy?expressed?in?dB
%?ce:?lngexp?by?1?length?vector?of?coefficient?error?expressed?in?dB

%?Author:?Wei?Zhang
%?Copyright?2014（c）

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