为什么51系列单片机常用11.0592MHz的晶振设计的说明

根据贵州科技厅分层需求、分层服务的管理组织结构提出了两层结构方案，即由省科技厅局域网和面向全省的广域网组成。局域网采用以太网组网方式，广域网中INTERNET接入采用DDN通过电信接入，与省科技情报所子网的连接也采用64KDDN方式接入，对科研院所上网访问信息和省科技厅职工在家上网，使用8门电话，用3COM的访问服务器构成拨号服务系统。-Guizhou Science and Technology Agency stratified according to demand, tiered service management organizational structure proposed two-tier structure of the program, namely, the provincial Science and Technology Agency LAN and WAN for the composition of the province. Networking Method using Ethernet LAN, Wide Area Network INTERNET access in the telecommunications access through the use of DDN, and the provincial Science and Technology Information Network of the sub-way connection also used 64KDDN access the Internet to access information on the scientific research institutes and the provincial Science and Technology Department employees at home the Internet, using the eight call, using 3COM" s dial-up access servers constitute a service system.

实现长度80位内的大数加法~~代码以c来实现，在tc下编译通过，有详细的注释-achieved within 80 lengths of large numbers Adder ~ ~ c code to be achieved under the tc compile a detailed Notes

自己做的VIVId适用于阳初的开发板，自己花了两天时间编的-vividisgood-yangchu-vivis3c2410

SAA7133HL 芯片资料 开发硬件,软件都需要 电视卡/软压卡常见芯片-SAA7133HL chip data to develop hardware, software needs TV card/Soft pressure card common chip

Windows程序运行原理及程序编写流程，窗口产生过程，句柄原理，消息队列，回调函数，窗口关闭与应用程序退出的工作关系，使用VC++的若干小技巧，stdcall与cdecl调用规范的比较，初学者常犯错误及注意事项。-Windows operating procedures principles and procedures for the preparation process, the window is formed, and handle principles, message queue, callback function, the window is closed and application procedures to withdraw from the working relationship, the use of a number of small VC skills, stdcall and cdecl calling norms, beginners often make mistakes and tips.

这编文章很好，对软件项目工程的开发管理，设计等等有很多前例-This made a very good article on software development project management, design, etc. There are many examples

后台管理部份： 商店图书管理：添加，修改，删除，查看。 用户信息管理：查看，修改，删除。 订单信息管理：查看订单清单，更新订单付款，出货状态。删除订单。-management background part : stores library management : add, modify, delete, check. Users Information Management : View, modify, delete. Orders for information management : View a list of orders, updating of payment orders, shipping status. Delete orders.

CS8900移植，包括过程说明和详细分析-CS8900 transplantation, the process of description and a detailed analysis of

Cordic算法的VHDL实现，实现了Cordic算法的过程经典-CordicVHDL

基于VB的高铁订票管理系统设计  随着高铁旅客人数的不断攀升以及电子商务的飞速发展，针对解决旅客购票难而进行的高效订购票系统建设已成为高速铁路运营企业的紧迫工作，本系统特针对这一实际需求开发。  本系统中，具备准确快捷的高铁信息查询和方便简单的订票操作，系统要为旅客提供准确高铁信息和当前客票状况，服务器端要能够及时添加、修改班次信息，对旅客信息进行录入和删除等。本系统要满足：      1.  客户端要能够有方便的查询系统，简单明了的订票、退票操作等      2.  防止旅客重复订、退票操作，影响系统数据的正确性      3.  服务器端提供信息完全可靠，时效性强，安全可靠