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. 1 = 2 | 0' 0. 17 = 18 | 0' 0. 0 = 1 | 0' 0. 2 = 3 | 0' 0. 53 = 54 | 0' 0. 31 = 32 | 0' 0. 1 = 2 |
1 | 0' 0. 14 = 15 | 0' 0. 77 = 78 | 0' 0. 1 = 2 | 0' 0. 8 = 9 | 0' 2.189 = 702 | 0' 1. 47 = 304 | 0' 0. 18 = 19 |
2 | 0' 0. 0 = 1 | 0' 1.241 = 498 | 1' 0. 0 = 0 | 0' 0. 32 = 33 | 0' 64. 49 = 16434 | 0' 1.239 = 496 | 0' 0. 30 = 31 |
3 | 1' 0. 0 = 0 | 0' 19.193 = 5058 | 1' 0. 0 = 0 | 0' 0.128 = 129 | 0'244.184 = 62649 | 0' 0. 31 = 32 | 0' 0. 1 = 2 |
4 | 1' 0. 0 = 0 | 0' 15. 0 = 3841 | 1' 0. 0 = 0 | 0' 2. 0 = 513 | 0' 16.226 = 4323 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
5 | 1' 0. 0 = 0 | 0' 59.241 = 15346 | 1' 0. 0 = 0 | 0' 8. 0 = 2049 | 0'202. 18 = 51731 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
6 | 1' 0. 0 = 0 | 0'239. 1 = 61186 | 1' 0. 0 = 0 | 0' 32. 0 = 8193 | 0' 17. 32 = 4385 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
7 | 1' 0. 0 = 0 | 0'175.254 = 45055 | 1' 0. 0 = 0 | 0'128. 0 = 32769 | 0'215.255 = 55296 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
8 | 1' 0. 0 = 0 | 0'255.244 = 65525 | 1' 0. 0 = 0 | 0'255.255 = 2^16 | 0' 0. 11 = 12 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
9 | 1' 0. 0 = 0 | 0'255.214 = 65495 | 1' 0. 0 = 0 | 0'255.249 = 65530 | 0' 1. 37 = 294 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
10 | 1' 0. 0 = 0 | 0' 0. 17 = 18 | 1' 0. 0 = 0 | 0'255.225 = 65506 | 0'253.210 = 64979 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
11 | 1' 0. 0 = 0 | 0' 12. 65 = 3138 | 1' 0. 0 = 0 | 0'255.129 = 65410 | 0'235. 72 = 60233 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
12 | 1' 0. 0 = 0 | 0'241. 1 = 61698 | 1' 0. 0 = 0 | 0'254. 1 = 65026 | 0'238.227 = 61156 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
13 | 1' 0. 0 = 0 | 0'195.242 = 50163 | 1' 0. 0 = 0 | 0'248. 1 = 63490 | 0' 50. 17 = 12818 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
14 | 1' 0. 0 = 0 | 0' 15. 2 = 3843 | 1' 0. 0 = 0 | 0'224. 1 = 57346 | 0'176.227 = 45284 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |
15 | 1' 0. 0 = 0 | 0' 48. 5 = 12294 | 1' 0. 0 = 0 | 0'128. 1 = 32770 | 0' 72. 8 = 18441 | 1' 0. 0 = 0 | 1' 0. 0 = 0 |