Таблица F5.A-1.6 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T= 8 GF( 1 + 225 ) = GF( 1 + 232 ) = 4294967297 = GF( F5 ) в (A-1)-арифметике, T–1 = 1/T = 0'224. 0. 0. 0B = -536870913 Результаты в (A-1)-арифметике в виде 33-битовых слов = ПСАНВ± mod F5, т.е. в диапазоне [231..+231] |
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 |