Unit Distance Code Decimal binary ra 0 0000 0000 Only one bit change 0001 0001 occurs between successive 0010 0011 value in this code 0011 0010 0100 0110 Gray code 0101 0111 0110 0101 0111 0100 B=Bn1Bn2.B1+B1…B1Bo 12345678901 1000 1100 1001 1101 G=G,G 661G 1010 n 1111 1011 1110 .Bn-1=Gn-1: G=B +10B 12 1100 1010 13 1101 1011 Gn1=Bn1:B=Gi⊕B+1 14 111 1001 15 1111 1000• Only one bit change occurs between successive value in this code • Gray code 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 Decimal binary Gray 0000 0001 0011 0010 0110 0111 0101 0100 1100 1101 1111 1110 1010 1011 1001 1000 B =Bn-1Bn-2…Bi+1Bi…B1B0 G =Gn-1Gn-2…Gi+1Gi…G1G0 •Bn-1=Gn-1 ; Gi=Bi+1⊕Bi •Gn-1= Bn-1 ; Bi=Gi⊕Bi+1 Unit Distance Code