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Таблица F4.A-1.3 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 = 240. 1 Результаты в A-арифметике в 9-ти битовых числах = 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 | 0.192 | 1.196 | 0. 1 | 0. 3 | 5. 76 | 12. 0 | 0.192 |
| 1 | 0.128 | 11. 0 | 0. 2 | 0. 9 | 99. 0 | 32. 0 | 2. 0 |
| 2 | 0.132 | 140.192 | 0. 0 | 0. 33 | 36.174 | 24. 64 | 1.132 |
| 3 | 0. 0 | 96.184 | 0. 0 | 0.129 | 188.136 | 16.128 | 1. 8 |
| 4 | 0. 0 | 128. 60 | 0. 0 | 2. 1 | 247. 60 | 0. 0 | 0. 0 |
| 5 | 0. 0 | 248.127 | 0. 0 | 8. 1 | 232.187 | 0. 0 | 0. 0 |
| 6 | 0. 0 | 124.185 | 0. 0 | 32. 1 | 141. 34 | 0. 0 | 0. 0 |
| 7 | 0. 0 | 192.169 | 0. 0 | 128. 1 | 224. 85 | 0. 0 | 0. 0 |
| 8 | 0. 0 | 0.196 | 0. 0 | 2^16 | 255. 61 | 0. 0 | 0. 0 |
| 9 | 0. 0 | 7. 0 | 0. 0 | 255.250 | 207. 1 | 0. 0 | 0. 0 |
| 10 | 0. 0 | 124.192 | 0. 0 | 255.226 | 228.208 | 0. 0 | 0. 0 |
| 11 | 0. 0 | 32.184 | 0. 0 | 255.130 | 196.201 | 0. 0 | 0. 0 |
| 12 | 0. 0 | 128. 61 | 0. 0 | 254. 2 | 7. 61 | 0. 0 | 0. 0 |
| 13 | 0. 0 | 248.131 | 0. 0 | 248. 2 | 232. 71 | 0. 0 | 0. 0 |
| 14 | 0. 0 | 124.201 | 0. 0 | 224. 2 | 108. 98 | 0. 0 | 0. 0 |
| 15 | 0. 0 | 192.233 | 0. 0 | 128. 2 | 161. 93 | 0. 0 | 0. 0 |