Cyclic matrix is a special and importance matrix, and applied in many field.
循环矩阵是一类重要的特殊矩阵，在许多领域中有广泛的应用。
This paper prove which, that cyclic matrix equivalent to periodic matrix and primitive matrix equivalent to aperiodic matrix.
本文证明了循环矩阵等价于周期矩阵，而本原矩阵等价于非周期矩阵。
Next, according to the characteristics of quasi-cyclic matrix, a new encoding circuit using feedback shift registers is proposed and implemented by FPGA.
接着，针对生成矩阵的准循环特性，提出了一种新的基于反馈移位寄存器的编码电路，并用FPGA进行了实现。
In this paper, by the fast algorithm for computing polynomials, we give a fast algorithm for finding the inverse and reflective g-inverse and Drain inverse of resultant cyclic matrix.
引入了结式的矩阵形表示，提出了矩阵形结式的移位变换概念，并利用其得到了结式计算的一个简便方法。
Matrix description of cyclic codes.
循环码的矩阵描述。
This paper gives some properties of companion matrix of polynomial over finite field with its application for evaluating period of linear shift register sequence and minimal length of cyclic code.
本文给出了有限域上多项式的友矩阵的某些性质，及其在计算线性移位寄存器序列的周期和循环码的最小长度的应用。
The results show that the matrix in the microstructure occurs dynamic recovery and recrystallization and the materials generate cyclic softening during thermal cycling.
结果表明，在热循环过程中基体组织发生动态回复和再结晶，材料产生循环软化；
In order to solve the problem of direct sequence spread spectrum signals check and recognition, a blind estimate algorithm is proposed, it based on cyclic spectrum theory and matrix transform.
为了解决正确检测和识别直扩信号的问题，提出一种基于循环谱理论和矩阵变换法的盲估计算法。
Based on the thermal balance equation of heater element, the matrix for the cyclic functional method is established and the rules to fill this matrix are represented detailedly in this paper.
基于循环函数法的主导思想，通过对“加热单元”列能量平衡方程，构建了循环函数法的矩阵表达式，并对矩阵填写规则进行了详细阐述。
These quasi-cyclic LDPC can not only reduce the storage of LDPC generator matrix, but also decrease the encoding complexity efficiently, which is of great significance for the applications.
这些特殊结构的LDPC码不仅可以压缩编译码所需的矩阵储存空间，而且还能有效的降低编码复杂度，这对工程上实现LDPC码的应用具有重要的意义；
It is proved that the parity check matrix for BCH code is a representation form in the eigenvector basis. Thus the study on cyclic codes may be brought into the framework of linear system theory.
证明了BCH码的校验矩阵是用循环变换的特征向量作基底时的一种表示形式，从而把循环码的研究纳入到线性系统理论研究的框架之中。
In order to solve the problem of direct sequence spread spectrum signal's check and recognition, a blind estimate algorithm is proposed, it based on cyclic spectrum theory and matrix transform.
为了解决正确检测和识别直扩信号的问题，提出一种基于循环谱理论和矩阵变换法的盲估计算法。
Finally, some simple opinions on further development of cyclic fatigue in ceramic matrix composites are presented.
最后，还对进一步研究陶瓷基复合材料的循环疲劳特性提出了一些粗浅的看法。
This paper presents an algebra method for constructing LDPC code based on Vandermonde matrix, which includes quasi-cyclic Q matrix and the perfect cyclic difference sets.
对准循环Q矩阵和完全循环差集进行了研究，在此基础上提出了一种LDPC码码族的代数构造方法。
The cyclic water-flooding method is effective for development of oil in low-permeability matrix of limestone reservoir and unsuitable for the oil-wet reservoir.
周期注水是开发灰岩储层低渗透基质中原油的一种有效方法，但对于亲油储层效果较差。
The efficiency is enhanced through searching the max of cyclic auto-correlation matrix in this method.
通过搜索矩阵最大相关值，可以显著提高检测效率。
When constructing a parity-check matrix, PEG can maximize the girth length, thus lowering error-floor, while quasi-cyclic structure bears other advantages.
在校验矩阵构造方面，PEG的构造方法在度约束条件下能最大化环长，从而降低误码平层。同时准循环码在结构化方面也有很多优点。
The Research Development of Cyclic Fatigue in Ceramic Matrix Composites;
对一种氧化锆陶瓷材料的室温循环疲劳行为进行了研究。
The Research Development of Cyclic Fatigue in Ceramic Matrix Composites;
对一种氧化锆陶瓷材料的室温循环疲劳行为进行了研究。
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