close?all;
clear?all;
clc;
DataLength=600;
RunTimes=500;
NoiseVar=0.001;
FilterStep=11;
Delay=6;
w=[2.9?3.1?3.3?3.5];
u=0.038;
Colors=[100;010;001;000;1.51;0.2.80.4;0.30.60.1;00.30.5];
for?t=1:4
????h=0.5*（1+cos（（2*pi/w（t））*（（1:3）-2）））;
????TempNo=DataLength+FilterStep;
????E1=zeros（DataLength1）;
????E2=zeros（DataLength1）;
???for?iter=1:RunTimes?
???????OriSig=randsrc（TempNo1[-11;0.50.5]）;
???????ConvSig=conv（OriSigh）;
???????ConvSig=ConvSig（1:TempNo）;
???????Signal=ConvSig+sqrt（NoiseVar）*randn（length（ConvSig）1）;
???????X=zeros（1FilterStep）;
???????Y=OriSig（Delay:Delay+DataLength-1）;
???????W=zeros（1FilterStep）;
???????for?n=1:DataLength
???????????X=Signal（n:n+FilterStep-1）‘;
???????????Epshino（n:）=Y（n:）-X*W‘;
???????????W=W+2*u*Epshino（n:）‘*X;
???????end
???????E1=E1+Epshino.^2;
???????W1=zeros（1FilterStep）;
???????Q=eye（FilterStep）;
???????for?n=1:DataLength
???????????X=Signal（n:n+FilterStep-1）‘;
???????????R=Q*X‘/（1+X*Q*X‘）;
???????????Epshino（n:）=Y（n:）-X*W1‘;
???????????W1=W1+R‘*Epshino（n:）;
???????????Q=Q-R*（X*Q）;
???????end
???????E2=E2+Epshino.^2;
???end
???E1=E1/RunTimes;
???E2=E2/RunTimes;
???figure（1）;
???semilogy（E1‘color‘Colors（t:））;
???title（‘The?Competetion?Between?LMS-RLS‘）;
???hold?on;
???semilogy（E2‘color‘Colors（t+4:））;
???str=[‘LMS（w=2.9）‘;‘LMS（w=3.1）‘;‘LMS（w=3.3）‘;‘LMS（w=3.5）‘;‘RLS（w=2.9）‘;‘RLS（w=3.1）‘;‘RLS（w=3.3）‘;‘RLS（w=3.5）‘];
???legend（str）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1481??2011-04-13?18:35??LMS-RLS.m

-----------?---------??----------?-----??----

?????????????????1481????????????????????1