新建文件夹

说明：  编写程序测试用户输入的英文字符串是不是回文。忽略所有的空格的标点符号，并忽略字母的大写和小写形式。(Write a program to test whether the English string entered by the user is palindrome. Ignore all space punctuation and the upper and lower case forms of letters.)

说明：  额温枪3D模型文件STP格式，给需要额温枪外形设计的朋友参考(STP format of the 3D model file of the forehead temperature gun, for the friends who need the contour design of the forehead temperature gun)

说明：  3D图片彩色显示，拟合平面，点到面距离，面到面距离，提取区域高度值，提取线段区域高度值(3D picture color display, fitting plane, distance from point to surface, distance from surface to surface, extraction area height value, extraction line area height value)

Now we have 280 source codes and documents,225 directories

无网格伽辽金法中用到的数值积分，此程序，提供多点高斯积分，可任意选择！-element-free Galerkin method used in the numerical integration of this process, provide more Gaussian integral, can be arbitrary choice.

这本书延伸科学畅销书“全球定位系统 - 理论与实践”，以涵盖全球导航卫星系统（GNSS），包括俄罗斯GLONASS，欧洲伽利略系统，以及其他系统。书是指在一般意义到GNSS来描述各种现有参考系统的坐标和时间，卫星轨道，卫星信号，可观察，数学模型的定位，数据处理，和数据转换。本书是一本大学级入门教材，目的是作为学生的参考以及为专业人士和科学家在大地测量领域，测量工程，导航和相关学科。(This book extends the scientific bestseller GPS- Theory and Practice to cover Global Navigation Satellite Systems (GNSS) and includes the Russian GLONASS, the European system Galileo, and additional systems. The book refers to GNSS in the generic sense to describe the various existing reference systems for coordinates and time, the satellite orbits, the satellite signals, observables, mathematical models for positioning, data processing, and data transformation. This book is a university-level introductory textbook and is intended to serve as a reference for students as well as for professionals and scientists in the fields of geodesy, surveying engineering, navigation, and related disciplines.)

3D迷宫游戏的源程序。vb写的，很好的学习素材-3D maze game of the source. Vb writing, good learning materials

基于线性矩阵不等式理论对网络控制系统的控制器设计及方法进行了详细阐述，并进行了仿真试验，验证了所提出的方法的有效性。-Based on linear matrix inequalities theory of networked control systems with controller design and methods in detail, and carried out a simulation test to verify the proposed method is effective.

说明：  对碰撞信号特征进行降维和聚类分析，提高分类精度(Reducing dimension and clustering analysis of collision signal features to improve classification accuracy)

程序模板，可以自由在上面写软件，继承了一些板卡控制的DLL文件，直接调用(Program template, you can freely in the above writing software, inherited some board control DLL file called directly)