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51 lines
914 B
Matlab
51 lines
914 B
Matlab
function [ m1 m2 out Zprod0 Zprod1] = find_sss( y, Nid_2,c0,c1)
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y=y((960-2*137+1):(960-137-9));
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yf=fft(y,128);
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y=[yf(98:128) yf(2:32)];
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n=length(y);
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Y0=y(1:2:n);
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Y1=y(2:2:n);
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Z0=Y0.*c0;
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nz=length(Z0);
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sm0=zeros(31,31);
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sm1=zeros(31,31);
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zm0=zeros(31,31);
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for i=1:31
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[sm0(i,:) zm0(i,:)]=compute_m0(i-1);
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end
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Zprod0=Z0(2:nz).*conj(Z0(1:(nz-1)));
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sum0=zeros(31,1);
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for m=1:31
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for i=2:31
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sum0(m)=sum0(m)+Z0(i)*conj(Z0(i-1))*sm0(m,i)*conj(sm0(m,i-1));
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end
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end
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[mi1 i1]=max(abs(sum0));
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Z1=Y1.*c1.*zm0(i1,:);
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Zprod1=Z1(2:nz).*conj(Z1(1:(nz-1)));
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sum1=zeros(31,1);
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for m=1:31
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for i=2:31
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sum1(m)=sum1(m)+Z1(i)*conj(Z1(i-1))*sm0(m,i)*conj(sm0(m,i-1));
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end
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end
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[mi2 i2]=max(abs(sum1));
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m1=i1;
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m2=i2;
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out=[sum0; sum1];
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end
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