www.pudn.com > 1.rar > Untitled.m, change:2011-04-02,size:4218b


%% 3层小波包分解 
s=x; 
[c1,d1]=general2nddecm(s); 
A=[c1;d1]; 
% 2层小波包分解 
for i=1:2 
    [B(2*i-1,:),B(2*i,:)]=general2nddecm(A(i,:)); 
end 
% 3层小波包分解 
for i=1:4 
    [C(2*i-1,:),C(2*i,:)]=general2nddecm(B(i,:)); 
end 
% 4层小波包分解 
for i=1:8 
    [D(2*i-1,:),D(2*i,:)]=general2nddecm(C(i,:)); 
end 
% 5层小波包分解 
for i=1:16 
    [E(2*i-1,:),E(2*i,:)]=general2nddecm(D(i,:)); 
end 
%% 5层小波包信号重构 
A0=zeros(size(A)); 
B0=zeros(size(B)); 
C0=zeros(size(C)); 
D0=zeros(size(D)); 
E0=zeros(size(E)); 
 
 
[d21,d22]=general2nddecm(c1); 
[d23,d24]=general2nddecm(d1); 
[d31,d32]=general2nddecm(d21); 
[d33,d34]=general2nddecm(d22); 
[d35,d36]=general2nddecm(d23); 
[d37,d38]=general2nddecm(d24); 
[d41,d42]=general2nddecm(d31); 
[d43,d44]=general2nddecm(d32); 
[d45,d46]=general2nddecm(d33); 
[d47,d48]=general2nddecm(d34); 
[d49,d410]=general2nddecm(d35); 
[d411,d412]=general2nddecm(d36); 
[d413,d414]=general2nddecm(d37); 
[d415,d416]=general2nddecm(d38); 
for i=1: 
%% 四层小波包信号重构 
d410(1:length(d41))=0; 
d420(1:length(d42))=0; 
d430(1:length(d43))=0; 
d440(1:length(d44))=0; 
d450(1:length(d45))=0; 
d460(1:length(d46))=0; 
d470(1:length(d47))=0; 
d480(1:length(d48))=0; 
d490(1:length(d49))=0; 
d4100(1:length(d410))=0; 
d4110(1:length(d411))=0; 
d4120(1:length(d412))=0; 
d4130(1:length(d413))=0; 
d4140(1:length(d414))=0; 
d4150(1:length(d415))=0; 
d4160(1:length(d416))=0; 
%% 三层小波包信号重构 
d310(1:length(d31))=0; 
d320(1:length(d32))=0; 
d330(1:length(d33))=0; 
d340(1:length(d34))=0; 
d350(1:length(d35))=0; 
d360(1:length(d36))=0; 
d370(1:length(d37))=0; 
d380(1:length(d38))=0; 
d210(1:length(d21))=0; 
d220(1:length(d22))=0; 
d230(1:length(d23))=0; 
d240(1:length(d24))=0; 
c10(1:length(c1))=0; 
d10(1:length(d1))=0; 
%dr41 
[data41]=general2ndre(d41,d420); 
[data41]=general2ndre(data41,d320); 
[data41]=general2ndre(data41,d220); 
[dr41]=general2ndre(data41,d10); 
%dr42 
[data42]=general2ndre(d410,d42); 
[data42]=general2ndre(data42,d320); 
[data42]=general2ndre(data42,d220); 
[dr42]=general2ndre(data42,d10); 
%dr43 
[data43]=general2ndre(d43,d440); 
[data43]=general2ndre(d310,data43); 
[data43]=general2ndre(data43,d220); 
[dr43]=general2ndre(data43,d10); 
%dr44 
[data44]=general2ndre(d430,d44); 
[data44]=general2ndre(d310,data44); 
[data44]=general2ndre(data44,d220); 
[dr44]=general2ndre(data44,d10); 
%dr45 
[data45]=general2ndre(d45,d460); 
[data45]=general2ndre(data45,d340); 
[data45]=general2ndre(d210,data45); 
[dr45]=general2ndre(data45,d10); 
%dr46 
[data46]=general2ndre(d450,d46); 
[data46]=general2ndre(data46,d340); 
[data46]=general2ndre(d210,data46); 
[dr46]=general2ndre(data46,d10); 
%dr47 
[data47]=general2ndre(d47,d480); 
[data47]=general2ndre(d330,data47); 
[data47]=general2ndre(d210,data47); 
[dr47]=general2ndre(data47,d10); 
%dr48 
[data48]=general2ndre(d470,d48); 
[data48]=general2ndre(d330,data48); 
[data48]=general2ndre(d210,data48); 
[dr48]=general2ndre(data48,d10); 
%dr49 
[data49]=general2ndre(d49,d4100); 
[data49]=general2ndre(data49,d360); 
[data49]=general2ndre(data49,d240); 
[dr49]=general2ndre(c10,data49); 
%dr410 
[data410]=general2ndre(d490,d410); 
[data410]=general2ndre(data410,d360); 
[data410]=general2ndre(data410,d240); 
[dr410]=general2ndre(c10,data410); 
%dr411 
[data411]=general2ndre(d411,d4120); 
[data411]=general2ndre(d350,data411); 
[data411]=general2ndre(data411,d240); 
[dr411]=general2ndre(c10,data411); 
%dr412 
[data412]=general2ndre(d4110,d412); 
[data412]=general2ndre(d350,data412); 
[data412]=general2ndre(data412,d240); 
[dr412]=general2ndre(c10,data412); 
%dr413 
[data413]=general2ndre(d413,d4140); 
[data413]=general2ndre(data413,d380); 
[data413]=general2ndre(d230,data413); 
[dr413]=general2ndre(c10,data413); 
%dr414 
[data414]=general2ndre(d4130,d414); 
[data414]=general2ndre(data414,d380); 
[data414]=general2ndre(d230,data414); 
[dr414]=general2ndre(c10,data414); 
%dr415 
[data415]=general2ndre(d415,d4160); 
[data415]=general2ndre(d370,data415); 
[data415]=general2ndre(d230,data415); 
[dr415]=general2ndre(c10,data415); 
%dr416 
[data416]=general2ndre(d4150,d416); 
[data416]=general2ndre(d370,data416); 
[data416]=general2ndre(d230,data416); 
[dr416]=general2ndre(c10,data416);