A Digital Backend Architecture for Fourier Imaging
A Digital Backend Architecture for Fourier Imaging
A Digital Backend Architecture for Fourier Imaging
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40 Mbps<br />
ADC<br />
64ch<br />
PFB Reorder FFT<br />
16 out x 4 ch each x 12 bit<br />
16ch x 12 bit<br />
(32ch interleaved)<br />
39<br />
Amp EQ<br />
Phase EQ<br />
Following the<br />
S-engine branch<br />
Quant<br />
QDR<br />
transpose and<br />
reorder per<br />
antenna<br />
Quant<br />
QDR<br />
transpose<br />
phase corrections allow to<br />
proceed with the spatial FFT<br />
X eng<br />
S eng