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Таблица F4.A-1.5 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T=16 GF( 1 + 224 ) = GF( 1 + 216 ) = GF( F4 ) в (A-1)-арифметике, T–1 = 1/T = 0'240. 0 = 61441 Результаты в (A-1)-арифметике в виде 17-битовых слов = ПСНВ+ mod F4, т.е. в диапазоне [ 0..+65536] |
| t |
(r)X[t] вх.Сигнал |
(r)X[f]= ЧПФ((r)X[t]) |
(r)H[t] вх.Сигнал |
(r)H[f]= ЧПФ((r)H[t]) |
(r)E[f]= (r)X[f]·(r)H[f] |
(r)E[t]= оЧПФ((r)E[f]) |
(r)G[t]= (r)E[t]/T mod F2 |
| 0 | 0' 0.191 = 192 | 0' 1.195 = 452 | 0' 0. 0 = 1 | 0' 0. 2 = 3 | 0' 5. 75 = 1356 | 0' 11.255 = 3072 | 0' 0.191 = 192 |
| 1 | 0' 0.127 = 128 | 0' 10.255 = 2816 | 0' 0. 1 = 2 | 0' 0. 8 = 9 | 0' 98.255 = 25344 | 0' 31.255 = 8192 | 0' 1.255 = 512 |
| 2 | 0' 0.131 = 132 | 0'140.191 = 36032 | 1' 0. 0 = 0 | 0' 0. 32 = 33 | 0' 36.173 = 9390 | 0' 24. 63 = 6208 | 0' 1.131 = 388 |
| 3 | 1' 0. 0 = 0 | 0' 96.183 = 24760 | 1' 0. 0 = 0 | 0' 0.128 = 129 | 0'188.135 = 48264 | 0' 16.127 = 4224 | 0' 1. 7 = 264 |
| 4 | 1' 0. 0 = 0 | 0'128. 59 = 32828 | 1' 0. 0 = 0 | 0' 2. 0 = 513 | 0'247. 59 = 63292 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 5 | 1' 0. 0 = 0 | 0'248.126 = 63615 | 1' 0. 0 = 0 | 0' 8. 0 = 2049 | 0'232.186 = 59579 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 6 | 1' 0. 0 = 0 | 0'124.184 = 31929 | 1' 0. 0 = 0 | 0' 32. 0 = 8193 | 0'141. 33 = 36130 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 7 | 1' 0. 0 = 0 | 0'192.168 = 49321 | 1' 0. 0 = 0 | 0'128. 0 = 32769 | 0'224. 84 = 57429 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 8 | 1' 0. 0 = 0 | 0' 0.195 = 196 | 1' 0. 0 = 0 | 0'255.255 = 2^16 | 0'255. 60 = 65341 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 9 | 1' 0. 0 = 0 | 0' 6.255 = 1792 | 1' 0. 0 = 0 | 0'255.249 = 65530 | 0'207. 0 = 52993 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 10 | 1' 0. 0 = 0 | 0'124.191 = 31936 | 1' 0. 0 = 0 | 0'255.225 = 65506 | 0'228.207 = 58576 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 11 | 1' 0. 0 = 0 | 0' 32.183 = 8376 | 1' 0. 0 = 0 | 0'255.129 = 65410 | 0'196.200 = 50377 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 12 | 1' 0. 0 = 0 | 0'128. 60 = 32829 | 1' 0. 0 = 0 | 0'254. 1 = 65026 | 0' 7. 60 = 1853 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 13 | 1' 0. 0 = 0 | 0'248.130 = 63619 | 1' 0. 0 = 0 | 0'248. 1 = 63490 | 0'232. 70 = 59463 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 14 | 1' 0. 0 = 0 | 0'124.200 = 31945 | 1' 0. 0 = 0 | 0'224. 1 = 57346 | 0'108. 97 = 27746 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
| 15 | 1' 0. 0 = 0 | 0'192.232 = 49385 | 1' 0. 0 = 0 | 0'128. 1 = 32770 | 0'161. 92 = 41309 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |