function?output=cnv_encd（gk0input）
%??		cnv_encd（gk0input）
%??		determines?the?output?sequence?of?a?binary?convolutional?encoder
%??		g?is?the?generator?matrix?of?the?convolutional?code
%????????	with?n0?rows?and?l*k0?columns.?Its?rows?are?g1g2...gn.
%??		k0?is?the?number?of?bits?entering?the?encoder?at?each?clock?cycle.
%??		input?The?binary?input?seq.
%??check?to?see?if?extra?zero?padding?is?necessary
%??output的前2*length（input）位為有效輸出位
if?rem（length（input）k0）?>?0
??input=[inputzeros（size（1:k0-rem（length（input）k0）））];
end
n=length（input）/k0;
%??check?the?size?of?matrix?g
if?rem（size（g2）k0）?>?0
??error（‘Error?g?is?not?of?the?right?size.‘）
end
%??determine?l?and?n0
l=size（g2）/k0;
n0=size（g1）;
%??add?extra?zeros
u=[zeros（size（1:（l-1）*k0））inputzeros（size（1:（l-1）*k0））];
%??generate?uu?a?matrix?whose?columns?are?the?contents?of?
%??conv.?encoder?at?various?clock?cycles.
u1=u（l*k0:-1:1）;
for?i=1:n+l-2
??u1=[u1u（（i+l）*k0:-1:i*k0+1）];
end
uu=reshape（u1l*k0n+l-1）;
%??determine?the?output
output=reshape（rem（g*uu2）1n0*（l+n-1））;

?屬性????????????大小?????日期????時間???名稱
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?????文件???????1096??2014-11-05?11:16??源碼\cnv_encd.m

?????文件???????1643??2014-11-05?11:16??源碼\viterbi.rar

?????目錄??????????0??2014-11-06?11:06??源碼

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