1. 合肥工业大学数学学院,安徽,合肥,230009
2. 合肥师范学院数学系,安徽,合肥,230601
3. 肯特州立大学数学科学系, 美国肯特州OH,44483
4. 合肥工业大学数学学院,安徽,合肥,230009
5. 合肥师范学院数学系,安徽,合肥,230601
6. 肯特州立大学数学科学系 美国肯特州OH,44483
纸质出版:2014
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唐永生, 朱士信, 曹德才, 等. 一类p元最优线性码和低相关性线性序列的构造[J]. 电子学报, 2014,42(3):572-577.
TANG Yong-sheng, ZHU Shi-xin, CAO De-cai, et al. Construction of a Family of p-ary Optimal Linear Codes and Low Correlation Linear Sequences[J]. Acta Electronica Sinica, 2014, 42(3): 572-577.
唐永生, 朱士信, 曹德才, 等. 一类p元最优线性码和低相关性线性序列的构造[J]. 电子学报, 2014,42(3):572-577. DOI: 10.3969/j.iss.0372-2012-2014.03.022.
TANG Yong-sheng, ZHU Shi-xin, CAO De-cai, et al. Construction of a Family of p-ary Optimal Linear Codes and Low Correlation Linear Sequences[J]. Acta Electronica Sinica, 2014, 42(3): 572-577. DOI: 10.3969/j.iss.0372-2012-2014.03.022.
在信息理论中,最优线性码具有很强的纠错能力、低相关性线性序列在密码系统和CDMA通信系统中得到了广泛应用. 因此构造最优线性码和构造低相关性线性序列具有重要的研究价值.记
R
=
Fp
+
uFp
,这里的
p
为奇素数.本文首先通过迹映射构造出环
R
上的一类新的线性码,然后将这类新的线性码的删余码通过Gray映射得到了域
Fp
上一类最优码.同时,通过迹映射构造出环
R
上的一类线性循环码,将这类线性循环码视为线性周期序列并通过广义Nechaev-Gray映射得到了域
Fp
上一类低相关线性周期序列.
In information theory
optimal linear codes have good capability in error-correcting in coding theory and linear sequences with low correlation have been widely used in cryptography and CDMA systems.Therefore
it has great value to study the construction of optimal linear codes and low correlation linear sequences.Let
R
=
Fp
+
uFp
where p is an odd prime.A class of new linear codes over
R
is constructed by means of the trace map.Then a kind of optimal codes over
Fp
is obtained via the Gray map from the punctured new linear codes.Furthermore
a class of new linear cyclic codes over
R
is also constructed by means of the trace map.A ki
nd of low correlation linear sequences over
Fp
is observed via the generalized Nechaev-Gray map from the class of new linear cyclic codes
which are regarded as a class of linear periodic sequences.
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