有限几何

在组合设计和编码中，我们需要有限几何和Hadamard矩阵等工具。在组合的各个分支还可以发现更多的例子。

In design theory and coding theory , we need finite geometry and Hadamard matrices [ 19,20,24 ] .

包括最早由Gallager提出的构造方法、Mackay对其改进的构造方法、基于有限几何、图论及群论上的构造方法等。

It includes the methods of Gallager and Mackay . And some other construction methods based on finite geometry , graph theory and group theory are also depicted .

基于有限几何低密度奇偶校验码（FG-LDPC）译码性能、复杂度和时延，提出了一种混合比特翻转（BF）和大数逻辑译码（MLG）的译码方法。

Based on decoding performance , complexity and latency of finite-geometry low-density parity-check ( FG-LDPC ) codes , an efficient decoding algorithm is proposed . The new algorithm is a hybrid bit-flipping ( BF ) / majority-logic ( MLG ) decoding scheme .

由加集构造的有限几何模型的一个注记

A note on models of finite geometries arising from addition sets

用有限几何研究线性码是一种行之有效的方法。

By finite geometries is a useful method when one studys linear codes .

利用有限几何构作区组设计

Finite Geometries and the Construction of Block Designs

本文建立了有限几何尺寸棒状激光介质瞬态热分布的三维模型。

A three-dimensional model for transient thermal profile in a finite laser rod is presented .

对于有限几何的研究，有着重要的理论意义和实际应用背景。

The research of finite geometries is an important problem with great theoretic significance and strong application background .

有限几何的理论与方法在数理统计、运筹学、信息论和计算机科学中都有着重要的地位。

The theories and methods of finite geometries play an important role in mathematical statistics , operations research , information theory and computer science .

有限几何是组合数学中一个重要的分支，它为图论、组合设计和编码理论等方向提供了丰富的源泉。

Finite geometry is an important branch in combinatorics mathematics . It provides plentiful sources for graph theory , combinatorics design , coding theory , etc. .

通过材料力学与线弹性断裂力学理论的结合，解析了平面条件下，有限几何体表面附近I型非对称裂纹的扩展机理及弧形扩展轨迹。

The growth mechanism and the track of asymmetrical I-crack near the surface of finite geometric solid in plane condition are analysed by combining material mechanics and fracture mechanics .

偶特征的有限正交几何中一类Cartesian认证码的构作

A Construction of Cartesian Authentication Code from Orthogonal Geometry over Finite Fields of Characteristic 2

特征不为2的有限正交几何与PBIB设计（Ⅱ）（英文）

Finite Orthogonal Geometries with Characteristic ■ 2 and PBIB Designs ( II )

利用有限仿射几何的m-面构作结合方案和PBIB设计

Constructing Association Scheme and PBIB Designs with Several Associate Classes Using m-Flats in Affine Geometry

试用有限变形几何场论分析小变形理论的近似性

Study on the Approximation of Small Deformation Theory by Rational Mechanics

光正交码的有限射影几何设计方法

A Method of Construction Optical Orthogonal Codes from Finite Projective Geometries

利用有限仿射几何构作带仲裁的认证码

Construction of authentication codes with arbitration from finite affine geometry

以头部为例的人体有限元几何模型重建的方法初步探讨

The Exploration on Human Head Finit Element Modeling

地质构造有限变形几何分析及其应用

The geometrical analysis of the finite deformation of the geological structures and its application

人体骨骼有限元几何模型的重建

Reconstruction of the human skeleton finite element model

简述了有限射影几何及有限域在组合设计中的意义及其对组合设计理论发展的推动作用。

State briefly the motivation that finite projective plan and finite field offer to the development of combinatorial design .

这种条码结合条空宽度变化、条空颜色变化和纵向排列来表示信息，能在有限的几何空间内表示更多的信息。

It greatly increases information capacity within limited space by combining the variety of widths , the variety of colors and vertical array .

提出一种基于组织切片图像的眼部组织有限元几何模型构建方法。

The model can be observed from different direction . ( 5 ) A geometry model constructing method based on eye tissue slice image was brought forward .

现代商品的多样性信息要求条码在有限的几何空间内表示更多的信息，从而满足市场上的各种要求。

The diverse information of modem commodity requires the bar code to denote more information in limited geometry space in order to meet every kind of market demand .

这些结构特征不仅使发声肌能够利用有限的几何空间产生最大的张力，并可适应高速率的收缩运动。

The M & line is absent . These structural characteristics not only enable the sounding muscle to make enough use of limited spaces and to produce maximal tensions , but also to adapt contraction movements of high speed .

针对满足车身骨架强度和刚度要求的某客车车身骨架有限元几何模型，采用所阐述的模型转化方法，并结合现代计算机辅助设计的方法和手段，实现了基于模型数据转化的客车车身造型。

Basing on the finite element geometrical model of body framework for the passenger car that is satisfied with the need of the strength and the stiffness , and Using method of model data transform which talked before , the passenger car body modeling is built .

有限奇异酉几何与PBIB设计（Ⅱ）

Finite singular unitary geometries and PBIB designs (ⅱ)

用有限奇异酉几何中的1维非迷向子空间作处理构作了多个结合类的对称结合方案和相应的一些PBIB设计，并计算了全部参数。

This paper presents a construction of a symmetric association scheme and a set of PBIB designs of class q + 1 based on the finite singular unitary geometries .

壳体有限元法几何非线性分析

Geometric nonlinear analysis of the finite element method of shell

具有大范围刚体运动的有限变形体几何描述

The Geometric Description of Finite-deformed Body with Parallel Locomotion and Rigid Rotation