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Таблица F4.A-1.1. 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 = 61441 Результаты в A-арифметике в 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 | 2 | 18 | 1 | 3 | 54 | 32 | 2 |
| 1 | 15 | 78 | 2 | 9 | 702 | 304 | 19 |
| 2 | 1 | 498 | 0 | 33 | 16434 | 496 | 31 |
| 3 | 0 | 5058 | 0 | 129 | 62649 | 32 | 2 |
| 4 | 0 | 3841 | 0 | 513 | 4323 | 0 | 0 |
| 5 | 0 | 15346 | 0 | 2049 | 51731 | 0 | 0 |
| 6 | 0 | 61186 | 0 | 8193 | 4385 | 0 | 0 |
| 7 | 0 | 45055 | 0 | 32769 | 55296 | 0 | 0 |
| 8 | 0 | 65525 | 0 | 2^16 | 12 | 0 | 0 |
| 9 | 0 | 65495 | 0 | 65530 | 294 | 0 | 0 |
| 10 | 0 | 18 | 0 | 65506 | 64979 | 0 | 0 |
| 11 | 0 | 3138 | 0 | 65410 | 60233 | 0 | 0 |
| 12 | 0 | 61698 | 0 | 65026 | 61156 | 0 | 0 |
| 13 | 0 | 50163 | 0 | 63490 | 12818 | 0 | 0 |
| 14 | 0 | 3843 | 0 | 57346 | 45284 | 0 | 0 |
| 15 | 0 | 12294 | 0 | 32770 | 18441 | 0 | 0 |