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Таблица F3.A-1.6 Свертка 2-х векторов (r)X[t] и (r)H[t] длины T=32 GF( 1 + 223 ) = GF( 1 + 28 ) = GF( F3 ) в (A-1)-арифметике, T–1 = 1/T = 0'11111000B = -8 Результаты в (A-1)-арифметике в виде 9-битовых слов = ПСАНВ± mod F3, т.е. в диапазоне [–128..+128] |
| 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 0'00000001 = 2 0'00010001 = 18 0'00000000 = 1 0'00000010 = 3 0'00110101 = 54 0'00111111 = 64 0'00000001 = 2 1 0'00001110 = 15 0'10000100 =-124 0'00000001 = 2 0'01111000 = 121 0'10011110 = -98 0'01011101 = 94 0'00010010 = 19 2 0'00000000 = 1 0'00100011 = 36 1'00000000 = 0 0'00000100 = 5 0'10110011 = -77 0'11011100 = -36 0'00011110 = 31 3 1'00000000 = 0 0'00001010 = 11 1'00000000 = 0 0'11110000 = -16 0'01010000 = 81 0'00111111 = 64 0'00000001 = 2 4 1'00000000 = 0 0'01001101 = 78 1'00000000 = 0 0'00001000 = 9 0'10111011 = -69 1'00000000 = 0 1'00000000 = 0 5 1'00000000 = 0 0'00100011 = 36 1'00000000 = 0 0'11011111 = -33 0'01100000 = 97 1'00000000 = 0 1'00000000 = 0 6 1'00000000 = 0 0'10111001 = -71 1'00000000 = 0 0'00010000 = 17 0'01001101 = 78 1'00000000 = 0 1'00000000 = 0 7 1'00000000 = 0 0'10000101 =-123 1'00000000 = 0 0'10111101 = -67 0'00010000 = 17 1'00000000 = 0 1'00000000 = 0 8 1'00000000 = 0 0'11110000 = -16 1'00000000 = 0 0'00100000 = 33 0'11110010 = -14 1'00000000 = 0 1'00000000 = 0 9 1'00000000 = 0 0'00000111 = 8 1'00000000 = 0 0'01111001 = 122 0'11001100 = -52 1'00000000 = 0 1'00000000 = 0 10 1'00000000 = 0 0'11011100 = -36 1'00000000 = 0 0'01000000 = 65 0'11100101 = -27 1'00000000 = 0 1'00000000 = 0 11 1'00000000 = 0 0'00001001 = 10 1'00000000 = 0 0'11110010 = -14 0'01110100 = 117 1'00000000 = 0 1'00000000 = 0 12 1'00000000 = 0 0'10101110 = -82 1'00000000 = 0 0'10000000 =-128 0'11010111 = -41 1'00000000 = 0 1'00000000 = 0 13 1'00000000 = 0 0'00000001 = 2 1'00000000 = 0 0'11100011 = -29 0'11000110 = -58 1'00000000 = 0 1'00000000 = 0 14 1'00000000 = 0 0'00111010 = 59 1'00000000 = 0 1'00000000 = 0 1'00000000 = 0 1'00000000 = 0 1'00000000 = 0 15 1'00000000 = 0 0'11000010 = -62 1'00000000 = 0 0'11000101 = -59 0'00111011 = 60 1'00000000 = 0 1'00000000 = 0 16 1'00000000 = 0 0'11110100 = -12 1'00000000 = 0 0'11111111 = -1 0'00001011 = 12 1'00000000 = 0 1'00000000 = 0 17 1'00000000 = 0 0'10000011 =-125 1'00000000 = 0 0'10001001 =-119 0'11100001 = -31 1'00000000 = 0 1'00000000 = 0 18 1'00000000 = 0 0'11101000 = -24 1'00000000 = 0 0'11111101 = -3 0'01000111 = 72 1'00000000 = 0 1'00000000 = 0 19 1'00000000 = 0 0'00001000 = 9 1'00000000 = 0 0'00010001 = 18 0'10100001 = -95 1'00000000 = 0 1'00000000 = 0 20 1'00000000 = 0 0'11010110 = -42 1'00000000 = 0 0'11111001 = -7 0'00100100 = 37 1'00000000 = 0 1'00000000 = 0 21 1'00000000 = 0 0'00011111 = 32 1'00000000 = 0 0'00100010 = 35 0'01011011 = 92 1'00000000 = 0 1'00000000 = 0 22 1'00000000 = 0 0'11001010 = -54 1'00000000 = 0 0'11110001 = -15 0'00100110 = 39 1'00000000 = 0 1'00000000 = 0 23 1'00000000 = 0 0'01111101 = 126 1'00000000 = 0 0'01000100 = 69 0'11010100 = -44 1'00000000 = 0 1'00000000 = 0 24 1'00000000 = 0 0'00010001 = 18 1'00000000 = 0 0'11100001 = -31 0'11010100 = -44 1'00000000 = 0 1'00000000 = 0 25 1'00000000 = 0 0'11111000 = -8 1'00000000 = 0 0'10001000 =-120 0'10111100 = -68 1'00000000 = 0 1'00000000 = 0 26 1'00000000 = 0 0'00011111 = 32 1'00000000 = 0 0'11000001 = -63 0'00100111 = 40 1'00000000 = 0 1'00000000 = 0 27 1'00000000 = 0 0'11101010 = -22 1'00000000 = 0 0'00001111 = 16 0'10100001 = -95 1'00000000 = 0 1'00000000 = 0 28 1'00000000 = 0 0'00110101 = 54 1'00000000 = 0 0'10000001 =-127 0'01010000 = 81 1'00000000 = 0 1'00000000 = 0 29 1'00000000 = 0 0'11000010 = -62 1'00000000 = 0 0'00011110 = 31 0'10000101 =-123 1'00000000 = 0 1'00000000 = 0 30 1'00000000 = 0 0'01001001 = 74 1'00000000 = 0 0'00000001 = 2 0'10010011 =-109 1'00000000 = 0 1'00000000 = 0 31 1'00000000 = 0 0'01000010 = 67 1'00000000 = 0 0'00111100 = 61 0'11100111 = -25 1'00000000 = 0 1'00000000 = 0 |