1) cyclic code
循环码
1.
Some properties of a kind of cyclic code over F_2+uF_2;
四元素环F_2+uF_2上一类循环码的性质
2.
Spectral representation of cyclic codes over Z_q of length N=p~kn;
Z_q上长为p~kn的循环码的谱表示
3.
The software method to realize cyclic code s changing in absolute pulse generator;
绝对式脉冲发生器中循环码转换的软件实现法
2) cyclic codes
循环码
1.
A method of describing quaternary cyclic codes with 4-cyclotomic cosets of modulo odd n and generator polynomials is presented.
用模奇数n的4-分圆陪集和生成多项式刻划四元循环码,得到一般四元循环码的对偶码为自正交码的充要性判别准则,将前人关于自正交四元单根循环码和四元BCH码的对偶码为自正交判别准则推广到任意四元循环码,包括四元单根循环码和重根循环码。
2.
The property of cyclic codes is studied in this paper, and a theorem is presented and proved, which can be employed to reduce the complexity of its soft-decision decoding.
研究了循环码的性质,给出并证明了关于编码率k/n<(t+1)/(d—1)的循环码的一条定理,该定理有利于降低软判决译码复杂度。
3.
The error-trapping decoder is the simplest way of decoding cyclic codes satisfying R<1/t,where t is the maximum number of errors to be corrected and R the code rate.
捕错译码是传码率满足R<1/t的循环码译码最简单的方式,其中t是所能纠错误数的最大值,R是传码率。
3) cycle rolling chains
循环链码
1.
SMT-720 cycle rolling chains simulating load checking device;
SMT-720循环链码模拟载荷检验装置
4) quasi-cyclic code
准循环码
1.
It is shown that a code of the length n over F_p+uF_p+…+u~kF_p is linear if and only if its Gray image is linear,and a code of the length n is cyclic if and only if its Gray image is a quasi-cyclic code over F_p of the index p~(k-1) and the length p~k n.
定义了环(Fp+uFp+…+ukFp)n到Fppkn的一个Gray映射;给出Gray映射的几个性质,证明环Fp+uFp+…+ukFp上的长为n的线性码的Gray像仍是线性码;及该环上长为n的(1-uk)-循环码的Gray像是域Fp上的长为pkn、指数为pk-1的准循环码。
2.
It is also shown that the generalized Gray map image of the((1-p~k)-cyclic) code is a distance-invariant(not necessarily linear) quasi-cyclic code.
文章引入了Zpk+1码和Zp2码之间的等距同构kφ(k≥1);利用kφ把G ray映射∶Zn4→F22n推广为∶Znpk+1→ZPpkn(p为素数);而且利用kφ,负循环码概念被推广到Zpk+1码,得到了(1-pk)-循环码;依据等距同构φk,给出了这些码的表示;也证明了(1-pk)-循环码在推广的G ray映射下的像是距离不变(不一定是线性的)的准循环码。
3.
A necessary and sufficient condition for the Gray image of quasi-cyclic code to be cyclic is given.
最后,证明了码C是环Zp[u]/(um-1)上一个循环码的充分必要条件为它的Gray映射下的像是一个准循环码。
5) cycle code
循环编码
6) constacyclic code
常循环码
1.
Gray images of linear codes and constacyclic codes over F_p+uF_p+…+u~kF_p;
环F_p+uF_p+…+u~kF_p上的线性码和常循环码的Gray像
2.
Some constacyclic codes of length 2~e over Z_(2~(k+1));
Z_(2~(k+1))环上长度为2~e的常循环码
3.
BCH bound for constacyclic codes over ring Z_p~e;
环Z_p~e上常循环码的BCH界
补充资料:循环码
见分组码。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条