product code是什么意思

用法例句

DBL access codes are generated from the left or right kronecker product of the LS codes and the extending matrix,and are called DBL left-product codes and DBL right-product codes,respectively.

DBL码由基本LS码与矩阵左、右直积生成,分别称为DBL左乘码和DBL右乘码,两类DBL码各有特点。

The concept of Kronecker product is introduced into graph theory in this paper.

将矩阵直积的概念引入图论,证明了直积图的结点数、度及特征值分别等于原图结点数之积、度之积和特征值之积,并将这些性质应用于由两个膨胀图构造一个新的膨胀图,分别从矩阵的角度和图的角度给出了构造算法。

Several diagonall dominant properties and ∞-norm inequalities for Kronecker product of diagonally dominant matrices are given.

给出了对角占优矩阵直积的一些对角占优性质以及∞-范数估计式。

Isomorphic representations of cyclic groups and their direct product;

循环群与循环群直积的同构表示

On Semidirect Product of Discrete Groups and Crossed Product of von Neumann Algebras;

关于离散群的半直积与von Neumann代数的交叉积