编码 种类8421码余3码21242171码余31步进码 十进制 (A)(B) 循环码 0 000000 11 000000000000001000000 00010100000100010001011010000 00100101001000100100011111000 30110110001100110101010110 4 01000111010001000111010011110 0101100001011011100011001111 6 0110100101101100100111010111 7 011 111010011111011100111100111 100010 111011101101111000011 9 100111001111111111110100000 权8421 242124215211十进制 编码 种类 0 1 2 3 4 5 6 7 8 9 权 8421码 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 8 4 2 1 余3码 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 2421码 （A） 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 1 1 0 1 1 1 1 2 4 2 1 2421码 （B） 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 1 0 1 1 1 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 5211码 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 1 1 0 0 1 1 0 1 1 1 1 1 余 3 循环码 0 0 1 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 0 1 1 0 0 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 0 步进码 00000 10000 11000 11100 11110 11111 01111 00111 00011 00001 2 4 2 1 5 2 1 1