通信系统

Ever since regulators instituted a "calling party pays" system in 1999, whereby mobile customers receive calls free of charge, fixed-line service in the country has stagnated while mobile traffic has grown ninefold.

自从1999年组建"主叫方付费"系统以来，移动通信用户免费接听电话，其结果是，固定电话服务增长停止，而移动通信流量增长了九倍。

According to the one-to-many communication pattern, we study the use of multicast in distribution interactive simulation.

根据仿真应用存在的一对多的通信模式，本文研究了组播通信技术在仿真系统中的应用。

Company home page: www.shyq.com specializing in telecommunications products: mobile communication coverage system, program-controlled telephone exchanges, telephone billing, broadband network billing, communication cables, fiber optic light distribution, patch panels, information wiring box.

上海研庆电子有限公司上海研庆电子有限公司（公司主页：www.shyq.com）专业从事电信产品：移动通信覆盖系统、程控电话交换机、电话计费、宽带网络计费，通信电缆，光缆光配，配线架、信息配线箱。

This paper researches the communication in Pharos Remote Monitoring and Control System,the topology control algorithm of the communication based on Wireless Sensor Network is presented.

研究航标遥测遥控系统的通信部分，提出基于无线传感器网络的通信拓扑控制算法。

The research and development of visualization system of electromagnetic environment monitor is very necessary, and it is very important significance. It can assure the quality of communication for avoiding the interface of electromagnetic signal, live up to reasonable layout and distribution for the construct of mobile communication station and radio monitor station, reduce the endangerment electromagnetic radicalization for surrounding environment and body of people.

为了避免电磁信号之间的相互干扰，保证通信的质量；为了对移动通信基站或无线电监测站的建设，做到合理的规划和布局；为了减少电磁辐射对周围环境和人体的危害，研究并开发电磁环境监测可视化系统就显得很有必要，具有十分重要的意义。

Message-oriented middleware can easily implement the retractility and the expansibility of the Distributed System.

利用高效、可靠的消息传递机制进行与平台无关的数据通信，并基于数据通信来进行分布式系统的集成和互操作。

The first chapter provides you with the development of serial communication and its important application.

第一章概述了串行通信的发展以及重要应用；系统所采用的通信方式。

To meet the demand of communication, this system chooses Chip ICL 232 to carry out the transmission of procedures to carry out the communication between the bus and the superordinate machine by the Serial I/O total line.

为了通信的需要，选用了ICL232芯片用来进行程序的传输，实现系统与上位机之间的串行通信。

In communicated industry, embedded system is applied in communicated machine, such as router and switcher etc.

在通信行业中，嵌入式系统在路由器和交换机等通信设备中得到了广泛的应用。

This paper introduced that the development of the communication of electric energy timesharing measuring of administrative system with the Visual C++ under Windows2000 operation system.

介绍了在Windows2000操作系统下，利用Visual C++软件开发电能分时计量管理系统通信软件，利用多线程的串口通信技术，成功地实现了主机与多功能电能表数据交换。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。