对E

移动通信基本知识:从通信网的角度看，移动网可以看成是有线通信网的延伸，它由无线和有线两部分组成。无线部分提供用户终端的接入，利用有限的频率资源在空中可靠地传送话音和数据；有线部分完成网络功能，包括交换、用户管理、漫游、鉴权等，构成公众陆地移动通信网PLMN。从陆地移动通信的具体实现形式来分主要有模拟移动通信和数字移动通信这两部种。-Basic knowledge of mobile communications: From the perspective of communication networks, mobile networks can be seen as an extension of wired communication network, which is both wireless and wired components. Part of user terminals to provide wireless access, frequency of use of limited resources in the air and reliable transmission of voice and data wired part of the completion of network functions, including switching, subscriber management, roaming, authentication and so on, constitute a public land mobile communication network PLMN. From land-based mobile communications to the specific forms of the main points have analog and digital mobile communications that two kinds of mobile communication.

代码示范了 OpenSCManager、CreateService、OpenService、ControlService、DeleteService、RegisterServiceCtrlHandler、SetServiceStatus、StartServiceCtrlDispatcher等操作服务程序的主要几个API的用法，具体的函数参数大家可以查阅MSDN。-model code of OpenSCManager, CreateService. OpenService, ControlService. DeleteService. RegisterServiceCtrlHandler. SetServiceStatus. StartServiceCtrlDispatcher and other services for the operation of several major AP I use, the specific parameters of the function you can access the MSDN.

某论坛要开发短消息系统 ，实现如下功能： 用户登录、登出 查看个人的短消息 发送短消息 回复短消息 删除短消息 该系统要满足如下要求： 已读和未读的短消息应采用不同的标记 回复时自动添写用户名 未登录不能看短消息，自动跳转到登录页面 登录后自动跳转到查看短消息列表的页面 -A Forum is expected to open Faduanxiaoxi system to achieve the following functions: user login, logout view personal reply short message to send a short message SMS Short Message Delete the system to meet the following requirements: have read and unread short message should be different marked automatically reply logged Tianxie user name can not see a short message, automatically redirecting to login page automatically after login Jump to see a list of short message page

七号信令原理（中文）-SS7 Principle (Chinese)

1.2内部的暗连接-DELPHI 7源代码

Red Hat Linux 9.0 的安装使用。-Red Hat Linux 9.0 installation to use.

RS232的串行通讯源代码~~~~~~~~~~~~，完成各种类型的串行通讯。-RS232 serial communication ~~~~~~~~~~~~, complete source code of all types of serial communications.

这是个很不错的程序，是由中科院的老师亲自编写的，有关RMI和数据库的编程-this is a very good process, the Chinese Academy of Sciences by the teachers personally prepared, the RMI and database programming

可以自动探测你所处的网络NAT类型-can automatically detect where you are in the type of network NAT

基于局域网的一个聊天程序,实现文字传输的聊天程序-A LAN-based chat program, realize transmission of text chat program