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合肥工业大学数学学院,安徽,合肥,230009
网络出版:2016-07-25,
纸质出版:2016
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朱士信, 黄磊. 环R+vR+v2R上线性码的MacWilliams恒等式[J]. 电子学报, 2016,44(7):1567-1573.
ZHU Shi-xin, HUANG Lei. MacWilliams Identities of Linear Codes Over Ring R+vR+v2R[J]. Acta Electronica Sinica, 2016, 44(7): 1567-1573.
朱士信, 黄磊. 环R+vR+v2R上线性码的MacWilliams恒等式[J]. 电子学报, 2016,44(7):1567-1573. DOI: 10.3969/j.issn.0372-2112.2016.07.007.
ZHU Shi-xin, HUANG Lei. MacWilliams Identities of Linear Codes Over Ring R+vR+v2R[J]. Acta Electronica Sinica, 2016, 44(7): 1567-1573. DOI: 10.3969/j.issn.0372-2112.2016.07.007.
通过构造Gray映射
对环
R
+
vR
v
2
上线性码进行了研究.定义了环
上线性码的Lee重量及其几类重量计数器
给出了环
上线性码及其对偶码之间的各种重量分布的MacWilliams恒等式.利用这些恒等式
不用求出环
上线性码的对偶码便可得到对偶码的各种重量分布.
By constructing gray map
linear codes over ring
are studied.The Lee weight and several classes of weight enumerators about linear codes over ring
are defined
the MacWilliams identities of weight distributions between the linear codes and their dual codes over ring
are given.According to these identities
we can get the weight distributions of dual codes directly without obtaining the dual codes of linear codes over ring
.
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