本文档介绍了编码原理基础，主要从(1)群、（2）域、（3）伽罗华域算术、（4）伽罗华域GF（2m）的基本性质、（5）矢量空间（6）矩阵等方面介绍。-This document describes the principles of the code base, mainly from (1) group, (2) domain, (3) Galois field arithmetic, (4) Galois field GF (2m) of the basic nature, (5) vecto

出一种实现不同维间估计结果自动配对的二维频率估计算法。首先把二维频率估计问题转化成两个矩阵束的特征值问题。根据矩阵束的特征求出两个矩阵束的公共特征向量，并以此为基础同时求出两个矩阵束的特征值。算法估计误差与现有算法相近，但解决了现有算法普遍存在的配对难题。 -Matrix pencils play an important role in numerical linear algebra. The problem of finding the eigenvalues of a pencil

本文给出Q 矩阵的定义, 在此基础上提出由Q 矩阵构造的LDPC 码新码族-In this paper, the definition of Q matrix Q matrix proposed by the new code of LDPC codes constructed on the basis of race

AHP层次分析法计算判断矩阵的最大特征值,是机器学习的例程，是信号处理的基础。- Calculate the maximum eigenvalue judgment matrix of AHP, Machine learning routines, Is the basis of the signal processing.