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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S engine data order<br />
t 2^20 t 3072 t 2048 t 1024 t 9 t 8 t 7 t 6 t 5 t 4 t 3 t 2 t 1 t 0<br />
a7c1023 a0c3 a0c2 a0c1 a1 a0 a7 a6 a5 a4 a3 a2 a1 a0<br />
a15c1023 a8c3 a8c2 a8c1 a9 a8 a15 a14 a13 a12 a11 a10 a9 a8<br />
a23c1023 a16c3 a16c2 a16c1 a17 a16 a23 a22 a21 a20 a19 a18 a17 a16<br />
a31c1023 a24c3 a24c2 a24c1 a25 a24 a31 a30 a29 a28 a27 a26 a25 a24<br />
47<br />
Considering the original number the S-engine<br />
will receive data in this order<br />
FFT real output sequence New numbering Prefix<br />
0-4-1-5-2-6-3-7 0-1-2-3-4-5-6-7 0-7<br />
8_12_9_13_10_14_11_15 8-9-10-11-12-13-14-15 8-15<br />
16_20_17_21_18_22_19_23 16-17-18-19-20-21-22-23 16-23<br />
24_28_25_29_26_30_27_31 24-25-26-27-28-29-30-31 24-31<br />
F engine