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Таблица F5.A-1.5 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T= 8 GF( 1 + 225 ) = GF( 1 + 232 ) = GF( F5 ) в (A-1)-арифметике, T–1 = 1/T = 0'224. 0. 0. 0 = 3758096385 Результаты в (A-1)-арифметике в виде 33-битовых слов = ПСНВ+ mod F5, т.е. в диапазоне [ 0..+232] |
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. 0. 0. 31 |
0' 0. 0. 0. 63 |
0' 0. 0. 0. 0 |
0' 0. 0. 0. 2 |
0' 0. 0. 0.191 |
0' 0. 0. 0.255 |
0' 0. 0. 0. 31 |
1 |
0' 0. 0. 0. 63 |
0'255.224. 64. 32 |
0' 0. 0. 0. 1 |
0' 0. 0. 2. 0 |
0'192. 96.128. 32 |
0' 0. 0. 3.255 |
0' 0. 0. 0.127 |
2 |
0'255.255.255.224 |
0' 0. 64. 0. 63 |
1' 0. 0. 0. 0 |
0' 0. 2. 0. 0 |
0' 0.191.255.191 |
0' 0. 0. 2.255 |
0' 0. 0. 0. 95 |
3 |
1' 0. 0. 0. 0 |
0' 64. 32. 0. 31 |
1' 0. 0. 0. 0 |
0' 2. 0. 0. 0 |
0'127.159.192. 31 |
0'255.255.254. 0 |
0'255.255.255.192 |
4 |
1' 0. 0. 0. 0 |
0'255.255.255.192 |
1' 0. 0. 0. 0 |
0'255.255.255.255 |
0' 0. 0. 0. 63 |
1' 0. 0. 0. 0 |
1' 0. 0. 0. 0 |
5 |
1' 0. 0. 0. 0 |
0'255.223.192. 32 |
1' 0. 0. 0. 0 |
0'255.255.254. 1 |
0' 64. 95.128. 31 |
1' 0. 0. 0. 0 |
1' 0. 0. 0. 0 |
6 |
1' 0. 0. 0. 0 |
0'255.192. 0. 64 |
1' 0. 0. 0. 0 |
0'255.254. 0. 1 |
0'255. 63.255.192 |
1' 0. 0. 0. 0 |
1' 0. 0. 0. 0 |
7 |
1' 0. 0. 0. 0 |
0'192. 32. 0. 32 |
1' 0. 0. 0. 0 |
0'254. 0. 0. 1 |
0'127.160. 64. 32 |
1' 0. 0. 0. 0 |
1' 0. 0. 0. 0 |