?? memory_update.m
字號:
function exc=Memory_update(gp_qua,gc_qua,vn,cn,xn,yn,zn)
% /*------------------------------------------------------*
% * - Find the total excitation *
% * - update filters memories for finding the target *
% * vector in the next subframe *
% *------------------------------------------------------*/
%gp_qua,gc_qua,vn,cn----quantinized gp ,quantinized gc
%exc---total excitation
global Filterstate;
exc=zeros(1,40);
ewn=zeros(1,40);
exc=(gp_qua*vn+gc_qua*cn);
ewn=xn-gp_qua*yn-gc_qua*zn;
Filterstate=round(ewn(31:end));
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