|
Таблица F5.A-1.5 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T= 4 GF( 1 + 225 ) = GF( 1 + 232 ) = GF( F5 ) в (A-1)-арифметике, T–1 = 1/T = 0'192. 0. 0. 0 = 3221225473 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. 1 |
0' 0. 0. 0. 17 |
0' 0. 0. 0. 0 |
0' 0. 0. 0. 2 |
0' 0. 0. 0. 53 |
0' 0. 0. 0. 7 |
0' 0. 0. 0. 1 |
1 |
0' 0. 0. 0. 14 |
0' 0. 15. 0. 0 |
0' 0. 0. 0. 1 |
0' 0. 2. 0. 0 |
0' 0. 16.255.226 |
0' 0. 0. 0. 75 |
0' 0. 0. 0. 18 |
2 |
0' 0. 0. 0. 0 |
0'255.255.255.244 |
1' 0. 0. 0. 0 |
0'255.255.255.255 |
0' 0. 0. 0. 11 |
0' 0. 0. 0.123 |
0' 0. 0. 0. 30 |
3 |
1' 0. 0. 0. 0 |
0'255.241. 0. 1 |
1' 0. 0. 0. 0 |
0'255.254. 0. 1 |
0'255.238.255.227 |
0' 0. 0. 0. 7 |
0' 0. 0. 0. 1 |