|
Таблица F3.A-1.3 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T=16 GF( 1 + 223 ) = GF( 1 + 28 ) = GF( F3 ) в (A-1)-арифметике, T–1 = 1/T = 241 Результаты в A-арифметике в 9-ти битовых числах = ПСНВ+ mod F3, т.е. в диапазоне [ 0..+256] |
| 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 | 192 | 195 | 1 | 3 | 71 | 245 | 192 |
| 1 | 128 | 205 | 2 | 5 | 254 | 225 | 255 |
| 2 | 132 | 246 | 0 | 9 | 158 | 40 | 131 |
| 3 | 0 | 155 | 0 | 17 | 65 | 112 | 7 |
| 4 | 0 | 52 | 0 | 33 | 174 | 0 | 0 |
| 5 | 0 | 162 | 0 | 65 | 250 | 0 | 0 |
| 6 | 0 | 104 | 0 | 129 | 52 | 0 | 0 |
| 7 | 0 | 161 | 0 | 0 | 0 | 0 | 0 |
| 8 | 0 | 196 | 0 | 256 | 61 | 0 | 0 |
| 9 | 0 | 207 | 0 | 254 | 150 | 0 | 0 |
| 10 | 0 | 250 | 0 | 250 | 49 | 0 | 0 |
| 11 | 0 | 163 | 0 | 242 | 125 | 0 | 0 |
| 12 | 0 | 68 | 0 | 226 | 205 | 0 | 0 |
| 13 | 0 | 194 | 0 | 194 | 114 | 0 | 0 |
| 14 | 0 | 168 | 0 | 130 | 252 | 0 | 0 |
| 15 | 0 | 32 | 0 | 2 | 64 | 0 | 0 |