对讲机芯片RDA1846，20110304

说明：  Petri网中XML根结点为net,其属性有id、type，其子结点有四个，分别为token，place，transition，arc。根据传入矩阵生成Petri网(In Petri nets, the root node of XML is net, and its attributes are ID and type. There are four sub-nodes: token, place, transition and arc. Generating Petri Nets from Input Matrix)

算法设计与分析基础的课后习题答案，潘彦著，清华大学出版-Algorithm design and analysis of the basic answer to after-school exercise, the PAN Yan, Tsinghua University Publishing

Facade design pattern implementation

说明：  对电力系统的暂态分析是电气专业本科生必修内容，配套程序必不可少，此例中提供9节点算例进行验证(Transient analysis of power system is a compulsory content for electrical majors, and the supporting program is essential. In this case, a 9-node example is provided for verification)

雷达阵列信号信号处理工具箱,包括主动雷达和被动雷达雷达信号的建模与仿真,还有不少好的例子.-Radar Array Signal Signal Processing Toolbox, including the active radar and passive radar signal modeling and simulation, there are many good examples.

接收北斗的数据，并解析，求出当前的位置，两个北斗设备之间的距离(beidou jiexi and qiuchuweizhi)

模拟TV的介绍,对初学者非常有用,文中说了很多基础知识-simulation on the TV, very useful for beginners, the text said a lot of basic knowledge

浙大ACM编程竞赛的摸板(内部质料),吐血奉献!!!!里面内容超多,把ACM题目分成了好几类,没一个类型都有详细的代码()

希尔伯特变换，在频率域实现90相移，用于信号的处理研究。(The Hilbert transform achieves 90 phase shifts in frequency domain. A study of signal processing.)

SVG多边形图片网格布局代码特效是一款通过SVG来将屏幕划分为多个多边形，每个多边形中设置一张背景图片。(SVG Polygon Picture Grid Layout Code is a special effect that divides the screen into multiple polygons through SVG, and sets a background picture in each polygon.)