Next, we generalized Gray map to Zq i.e.F(x) = (f0(x),f1(x) ,..., fps ?1?1(x)),where x = a0+a1p+.

• i 其次我们推广Gray映射到Zq上；即F(x) = (f0(x)；f1(x)；...；fps ?1?1(x))；其中x = a0 + a1p + .