selfprogramming

protel元件库，有许多常用与不多见的元件的原理图(Protel libraries, there are many common and rare components of the schematic diagram)

说明：  一个关于B树结构的详细介绍，尤其是在数据库中利用其实现索引功能(B tree structure of a detailed introduction, especially in the database using its indexing realize)

三维立体图形，带网格，用三维坐标描绘曲面走向(Three-dimensional graphics)

Designing Embedded Communications Software

平台（Matlab2008a，Simulink，Sysgen 10.1.03）硬件实现RGB2YCbCr (Platform (Matlab2008a, Simulink, Sysgen 10.1.03) hardware realise of RGB2YCbCr)

中国某电信公司电子商务平台分为两层：支撑层和业务层，支撑层为电子商务业务的开展提供支撑功能，包括认证系统、支付系统、移动终端安全系统以及整个电子商务业务的计费和结算系统；业务层包括各种具体的电子商务业务以及为各种业务提供公共服务功能的业务平台。(a Chinese telecommunications company e-commerce platform is divided into two tiers : the supporting layer and the business layer, layer support for the development of e-commerce to provide business support functions, including authentication systems, payment systems, mobile terminals and security systems throughout the e-commerce business billing and settlement systems; Layer including business specific business and e-commerce operations for the full range of public services business platform.)

深圳09年最新矢量地图(MapInfo格式)(Shenzhen, in 2009 the latest vector map (MapInfo format))

易语言QQ日志发表源码,很不错的易语言源码,适合易语言爱好者学习,()

matlab访问串口的程序，包括：打开、关闭和清除串口对象；读串口、写串口；串口的数据流控制；还包括：怎么用matlab发送手机短信的例程；这是学习matlab访问系统硬件的原理，不可多得的经典例程！(matlab serial port access procedures, including: open, close and clear the serial port object read serial port and write serial port serial data flow control also include: how to send SMS using matlab routine it is to learn the principle of the hardware to access the system matlab , rare classic routines!)

这是一个Matlab开发的数字波束形成源代码，仿真正确(This is a developed Matlab source code for digital beamforming, simulation correctly)