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. 2 | 0. 18 | 0. 1 | 0. 3 | 0. 54 | 0. 32 | 0. 2 |
1 | 0. 15 | 0. 78 | 0. 2 | 0. 9 | 2.190 | 1. 48 | 0. 19 |
2 | 0. 1 | 1.242 | 0. 0 | 0. 33 | 64. 50 | 1.240 | 0. 31 |
3 | 0. 0 | 19.194 | 0. 0 | 0.129 | 244.185 | 0. 32 | 0. 2 |
4 | 0. 0 | 15. 1 | 0. 0 | 2. 1 | 16.227 | 0. 0 | 0. 0 |
5 | 0. 0 | 59.242 | 0. 0 | 8. 1 | 202. 19 | 0. 0 | 0. 0 |
6 | 0. 0 | 239. 2 | 0. 0 | 32. 1 | 17. 33 | 0. 0 | 0. 0 |
7 | 0. 0 | 175.255 | 0. 0 | 128. 1 | 216. 0 | 0. 0 | 0. 0 |
8 | 0. 0 | 255.245 | 0. 0 | 2^16 | 0. 12 | 0. 0 | 0. 0 |
9 | 0. 0 | 255.215 | 0. 0 | 255.250 | 1. 38 | 0. 0 | 0. 0 |
10 | 0. 0 | 0. 18 | 0. 0 | 255.226 | 253.211 | 0. 0 | 0. 0 |
11 | 0. 0 | 12. 66 | 0. 0 | 255.130 | 235. 73 | 0. 0 | 0. 0 |
12 | 0. 0 | 241. 2 | 0. 0 | 254. 2 | 238.228 | 0. 0 | 0. 0 |
13 | 0. 0 | 195.243 | 0. 0 | 248. 2 | 50. 18 | 0. 0 | 0. 0 |
14 | 0. 0 | 15. 3 | 0. 0 | 224. 2 | 176.228 | 0. 0 | 0. 0 |
15 | 0. 0 | 48. 6 | 0. 0 | 128. 2 | 72. 9 | 0. 0 | 0. 0 |