Q1

ISO 22900 1-3 道路车辆通信接口模型(ISO 22900 1-3 road vehicle communication interface model)

本课件系统地讲述了几何光学的原理，对入门学者来说很有帮助(The principles of the courseware systematically describes the geometrical optics, for entry scholars helpful)

说明：  本书的内容包括求解方程组、插值、微分方程及一系列。每章都有实例以帮助读者了解相关应用领域。并有一些matlab的代码，和题目的参考答案。(The content of this book includes solving equations, interpolation, differential equations, and a series. Each chapter has examples to help readers understand the relevant application areas. And there are some matlab codes, and reference answers to the questions.)

python提取abaqus后处理指定集合的信息（位移和应力）(Python extracts the information (displacement and stress) of the specified set after ABAQUS processing)

数据奇异值剔除的几个经典方法，供大家参考(Singular value data exclude several classical methods for reference)

VisualC#.net基础与应用教程（第2版）课后习题第五章第八题、设计黑白棋游戏程序。(Visual C# .net Basic and Application Course (2nd Edition) Exercise Chapter 5, Question 8, Design black and white chess game program.)

LDPC码的编译码原理，详细完整，是了解LDPC码基础知识的很好的材料(LDPC code encoding and decoding principles, detailed and complete, is to understand the basics of LDPC codes of good material)

LS dyna 二次开发所用的学习资料。Fortran 语言(the fortran used for user define in LS dyna)

说明：  关于粒子滤波的原理及介绍，有相关MATLAB代码(About the principle and introduction of particle filtering, there are related MATLAB code)

watermarking research part 2