设Fp^m-+uFp^m+…+u^k-1Fp^m,定义了R上的Homogeneous重量,研究了R上长度为P^s的(1+uλ)常循环码,其中A是R的一个单位.利用R上长度为p^s的(1+uλ)常循环码恰好是链环R[x]/[x^p'-1〉的理想这一结构,给出了R上长度为p^s的(1+uλ)常循环码的Hamming距离分布以及它的对偶码的结构;进而确定了环R上长度为P^s的(1+uλ)常循环码的Homogeneous距离分布.
Let Fp^m-+uFp^m+…+u^k-1Fp^m. The Homogeneous weight over the ring R is defined, and (1+uλ)-eonstacyclic codes of length p' over R are studied, where λ is a unit of the ring R. In view of the fact that (1+uλ)-constacyclic codes of length p^s over R are the ideals of the chain ring R [x]/ (x^p'- 1 ), the Hamming distance distribution of such eonstaeyclic codes and the structure of their dual codes were obtained. Furthermore, the distributions of the Homogeneous distance of (1 +uλ)-constacyclic codes of length p^s over R were established.