edef1dbed3
Created checkCounterSamples.m to validate sample continuity, counter wraps, and frame index progression. Verified counter bypass, sine bypass, and channelizer modes up to nFrames=1024 across 10 DPWs on ZCU111.
37 lines
700 B
Matlab
37 lines
700 B
Matlab
function xint=bizinter(x)
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N=length(x);
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im = 0;
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if sum(abs(imag(x)))>0
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im = 1;
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imx = imag(x);
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x = real(x);
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end
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x2=x(:);
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x2=[x2.'; zeros(1,N)];
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x2=x2(:);
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xf=fft(x2);
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if rem(N,2)==1 %N = odd
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N1=fix(N/2+1); N2=2*N-fix(N/2)+1;
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xint=2*real(ifft([xf(1:N1); zeros(N,1) ;xf(N2:2*N)].'));
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else
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xint=2*real(ifft([xf(1:N/2); zeros(N,1) ;xf(2*N-N/2+1:2*N)].'));
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end
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if ( im == 1)
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x2=imx(:);
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x2=[x2.'; zeros(1,N)];
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x2=x2(:);
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xf=fft(x2);
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if rem(N,2)==1 %N = odd
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N1=fix(N/2+1); N2=2*N-fix(N/2)+1;
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xmint=2*real(ifft([xf(1:N1); zeros(N,1) ;xf(N2:2*N)].'));
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else
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xmint=2*real(ifft([xf(1:N/2); zeros(N,1) ;xf(2*N-N/2+1:2*N)].'));
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end
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xint = xint + 1j*xmint;
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end
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xint = xint(:);
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end |