固定通信

adhoc网络是一种无固定通信基础设施的无线网络，具有广阔的应用前景，尤其是在军事领域。

As a wireless network with no fixed communication infrastructure , Ad Hoc Networks have broad application prospects , especially in the military field .

先说明有线传输的固定通信网的发展进程。

Firstly , it explains the development trends of fixed communication using wireline transmission .

无线adhoc网络是一种由若干无线通信设备临时自由组合形成的一种无线分组网络，它不需固定通信设施的支持，网络节点可自由移动，它们既是通信终端，又是路由器。

The Ad Hoc network is composed of a collection of mobile nodes , which are connected together by their wireless links .

移动adhoc网络是一种由一组无线移动节点组成，不需要固定通信网络基础设施就能够迅速展开的多跳、分组自组织的无线移动网络。

Mobile Ad Hoc network ( MANET ) is a multi-hop and autonomous wireless mobile network system which consist of a group wireless mobile node without fixed communicate network infrastructure can able to rapidly expand .

无线adhoc网络是一种无固定通信设备支持、节点可自由移动的多跳全分布式无线网络。

Wireless ad hoc network s arc multi-hop and distributed . In a wireless ad hoc network , there is no stationary infrastructure , and the node acting as terminal and router can move freely .

受训练条件制约，PCM通信设备故障排除训练内容、训练标准和训练质量难以落实，创新训练方法，是解决固定通信台站训练项目难题的必由之路。

According to training conditions , the content , standards and quality of the training for PCM communications equipment troubleshooting are difficult to implement . The only way to resolve the traning problem of communications stations is innovating new training methods .

重庆联通数据与固定通信产品策略研究

Research on Product Strategy of Chongqing Unicom Data and Fixed Line

然后，他转向了那些刑事责任固定通信检查。

He then turns to an examination of communications for which criminal liability is fixed .

固定通信：期待新增点

Fixed Communications Expecting New Growth Point

无线自组网络是在没有固定通信基础设施的情况下，由具有无线通信功能的节点自组织形成的网络。

Self-organized wireless network refers to the network self organized by wireless communication nodes with no fixed communication infrastructures .

随着市场需求的扩大，固定通信行业的自然垄断性也随之消除。

With the increase of market demands , the natural monopoly of this industry has gone out of the stage .

从固定通信市场以及移动通信市场两个方面介绍了澳大利亚电信市场的发展情况。

Firstly , it presents the developing status of Australian telecom market in terms of fixed communication and mobile communication .

考虑无通信时延和存在固定通信时延两种情况，设计了编队控制协议使得线性多智能体系统实现编队。

Considering the cases of zero communication time delay and constant communication time delay , the formation control protocols are designed .

自宣布与铁通融合之后，产品线从移动通信延伸到了固定通信。

After the integration with the CTT , the product line extends from the mobile phone service to fixed phone service .

中国西部固定通信市场竞争日趋激烈，尤其是在利润丰厚、战略意义重大的大客户市场上。

Competition in fixed-line market is becoming gradually fiercer in western China , especially for lucrative major accounts which are of strategic significance .

网络中没有固定通信设施，节点既是通信终端又是路由设备，并且可以自由移动。

There is no fixed communication infrastructures within network , the nodes can move freely and are both communication terminals and routing devices .

中国电信在固定通信业务（固定电话与宽带）的建设与运营方面有十几年的经验积累，在国内处于领先地位。

China Telecom has a dozen years of experience in the fixed communications services , and be in a leading position in domestic .

不论是固定通信或是移动通信都有至少两家以上的运营商在争夺市场。

No matter is the fixed service or the mobile communication all has more than two operation business to capture the market at least .

固定通信业务审查作业要点，由电信总局拟订报请交通部核定公告之。

Guidelines for review and screening of the applications for fixed telecommunications businesses shall be drafted by DGT and be reported to MOTC for approval and promulgation .

不像固定通信系统，个人通信的快速发展在很大程度上依赖于技术和通信标准的发展。

The speed and rapidity with which the personal communications revolution takes place is , unlike fixed transmission systems , highly dependent on technology and communication standards .

并对线路通信的中间引下固定通信点的选择、局部对称性和全线对称性的关系作了阐述。

Meanwhile , the selection of the fixed communicating points on the line , and the relationship between the partial symmetry and total symmetry are also detailed .

采用了固定通信距离下的最差参数逼近方法，对实际电力线传输信道的低频特性进行实证研究。

It uses the worst parameters approximation method in a fixed communication distance to conduct an empirical study on low-frequency characteristics of the actual power line transmission channel .

对移动通信系统而言，无线接入域是其区别于固定通信网络的标志，移动信道的开放特性和衰落特性，对移动接入的安全机制提出了更高的要求。

For mobile radio communications , the wireless access is the most important icon compared with fixed networks . The openness and fading features appeal for higher security .

寻求如何在固定通信网络建设过程中，全面引入项目质量管理的先进理念，最终保障并提高固定通信建设项目的质量。

My intension is how to introduce the advance ideology for project management entirely in the construction process of a fix-line network so as to ultimately improve the project quality therein .

由于移动通信发展迅速，固定通信相对迟缓，我国几大运营商的发展差距逐步扩大，竞争结构严重失衡。

Due to the rapid development of mobile communications and relatively slow development of fixed networks , the gap among major Chinese carriers gradually was widening . Competition structural becomes unbalanced seriously .

我国的人口基数甚大，经济增长的势头良好，固定通信网的规模和移动通信网的规模已居世界第二位。

Population base of our country is very big , the economic growth tendency is fine , the scale fixing telecommunication networks and the scale moving telecommunication networks already occupy second worlds .

它可以广泛应用于紧急的和不易建设固定通信设施的环境中，如野战通信、紧急搜救、临时会议等。

Consequently , they are widely used in some emergent application environments or when the wired network is not available , such as battlefield communications , disaster recovery , occasional conferences , etc.

它适用于灾区营救，战场通信等各种不便于架设固定通信设备的场合。

It can be used in the situations where it is not convenient to erect fixed communication equipments , such as the rescue work in stricken region and the communication in the battlefield .

固定通信费率卡项目主要的服务范围包括各类固定通信产品的产品清单、产品资费、运营流程、及相关服务保障。

Fixed rate cards are mainly the scope of services covers all types of fixed-line telecommunications products , product list , products , tariffs , operating procedures , and related services to protect .

电信总局得指定固定通信业务市场主导者提供一定规格及数量之出租电路，其规格及数量由电信总局公告之。

DGT may require a dominant carrier in fixed network telecommunications market to provide and make available for lease of certain circuits of such technical specifications and in such quantities promulgated by dgt .