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  • 大小: 2KB
    文件類(lèi)型: .m
    金幣: 1
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    發(fā)布日期: 2021-05-13
  • 語(yǔ)言: Matlab
  • 標(biāo)簽: MATLAB??SVD??

資源簡(jiǎn)介

SVD算法。

資源截圖

代碼片段和文件信息

function?[?snr?]?=?svd1(?x_n?)
%UNtitleD4?Summary?of?this?function?goes?here
%???Detailed?explanation?goes?here
m=50;
Lk=length(x_n);

%{
x_n=zeros(1Lk);
for?i=1:Lk
????x_n(i)=abs(x_n1(i));
end
%}

ex1=zeros(1m);
ex2=zeros(1m);
for?k=1:m
????j=Lk-(k-1);
????for?i=1:j
????????ex1(k)=ex1(k)+x_n(i);
????????ex2(k)=ex2(k)+x_n(i+k-1);
????end
????ex1(k)=ex1(k)/j;
????ex2(k)=ex2(k)/j;
end
%}
r=zeros(1m);
for?k=1:m
????j=Lk-(k-1);
????for?i=1:j
????????r(k)=r(k)+(x_n(i)-ex1(k))*conj(x_n(i+k-1)-ex2(k));
????end
????r(k)=r(k)/j;
????
end


r1=zeros(1m);
r1(1)=r(1);
for?k=2:m
????j=Lk-(k-1);
????for?i=1:j
????????r1(k)=r1(k)+conj(x_n(i)-ex1(k))*(x_n(i+k-1)-ex2(k));
????end
????r1(k)=r1(k)/j;
end
%}
r_metrix=zeros(mm);
%r_metrix=toeplitz(r1r);

r_metrix(1:)=r;
for?h=2:m
???for?f=1:h-1
???????r_metrix(hf)=r1(h+1-f);
???end
???for?f=h:m
???????r_metrix(hf)=r(f-h+1);
???end
end
%}
%{
for?i=1:m
????for?

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