xiao_bo_bao_jiang_zhao_silk3

说明：  直扩信号BPSK的仿真，采用异或移位的算法实现PN码达到扩频的目的(BPSK DS signal simulation, using different algorithms, or shift the PN code to achieve the purpose of spreading)

在MATLAB下面实现谱减法语音增强算法，通过仿真能得到很不错的效果，值得推荐~(speech_enhancement under matlab enviroment~)

Van der Pol Oscillator (chaotic map)

Perl 语言编程 第三版 作者:Larry Wall, Tom Christiansen, and Jon Orwant 译者:何伟平 (The third edition of the Perl programming language: Larry Wall, Tom Christiansen, and Jon Orwant Translator: weipin)

桥式起重机模型分析，非线性模型的仿真原理图(Bridge crane model analysis, nonlinear models schematic simulation)

简单的语法缝隙器，可以比较详尽的分析输入语句的语法成分。把想要分析的语句放到parser.in文件中，编译即可看到结果。(Simple syntax gap, you can enter a more detailed analysis of the syntax of the statement components. The statement you want to analyze into parser.in file, the compiler can see the results.)

一天文学家要确定一棵小行星的运动轨道，他在其轨道内建立了以太阳为原点的直角坐标系，由开普勒第一定律知小行星的运动轨道为一椭圆，试确定行星的运动轨道。(One day in literature to determine the orbit of an asteroid, he set up in its orbit to the sun for the origin of the coordinate system, by Kepler s first law of motion track known asteroid is an ellipse, the orbits of planets.)

fundamentals in physics, molecules and quantum physic s

matlab遗传算法程序，自适应遗传算法(Matlab GA procedures, adaptive Genetic Algorithm)

一个matlab gui小程序 可以帮助初学者 掌握matlabgui的小技巧(matlab gui help the new players)