通信设施

adhoc网络是多跳无线网络，无需基础设施就可以建立动态互联的网络，其网络技术优点是能够提高通信设施的抗毁性和应变能力。

Ad hoc network is a multi-hop network , which can set up a dynamic network of interconnected without infrastructure . The technical advantage of Ad hoc network is that it can improve the survivability and adaptability of the communication facilities .

坚固阵地，重武器，通信设施是主要目标。

Fortified positions , heavy weapons , communication facilities are the key targets .

大多数道路、桥梁、交通、排水设施、电力网络以及通信设施都是50年前甚至100年前配置的，它们理所当然会被用到不能使用。

Most roads , bridges , transit , water systems , the electric grid , and communications networks were installed 50 to 100 years ago , and they are largely taken for granted until they fail .

随着Internet的迅速发展和各种通信设施的不断完善，越来越多的敏感信息需要在互联网上传送。

With the rapid development of Internet and the constant improvement of various communications equipment , more and more sensitive information are transmitted on Internet .

在这些地区，由于造价、地理环境等原因往往没有有线通信设施，adhoc网络可以解决这些环境中的通信问题。

In these areas , because of cost , geographical environment , often because there is no wired communication infrastructure , ad hoc network can solve the communication problems in these environments .

建筑物3D模型在城市规划、房产测量、通信设施建设、虚拟旅游、文化遗产保护、灾害监测以及军事侦察和武器精确打击等方面具有非常广泛的应用。

The 3D models of buildings have a wide range of application , such as city planning , building survey , communication construction , virtual travelling , heritage protection , disaster monitoring and reconnaissance , precision strikes in military .

但对于在海上航行和作业的人们来说，要想使用E-mail却不是一件很容易的事，因为海上缺乏象陆地上这样完善的通信设施和网络基础。

But for the people who sailing or working in the sea , it is not easy to use E-mail , because there lack perfect communication establishment and network basic which is familiar in the land .

首先说明通信设施使用多路技术的发展进程，从过去的频分多路（FDM）至数字的时分多路（TDM）到最近的波分多路（WDM）。

The paper begins with describing the progress of multiplexing technology development in telecommunication lines and networks , from electrical FDM to digital TDM and recently to optical WDM .

所有参与机器必须通过一个通信设施互连，例如一个高速TCPIP网络。

All participating machines must be interconnected by a communication facility , such as a high-speed TCPIP network .

为了频谱资源的妥善管理和有效利用，保证各类无线电通信设施的正常工作，必须对3G移动终端产品进行严格管理，这就要依赖于准确、可靠的无线电设备检测方法。

In order to manage spectrum resources properly and effective utilization , ensure the normal working of 3G mobile terminal , We must manage the products strictly , which will depend on the accurate and reliable radio equipment detection methods .

在发生洪水、地震后，有线通信设施很可能因遭受破坏而无法正常使用，通过adhoc网络可以快速地建立应急通信网络，保证救援工作的顺利进行，满足紧急通信需求。

In the event of flood , earthquake , cable communications facilities are likely to suffer damage and can not normally communicate , through the ad hoc network can quickly set up an emergency communications network to ensure the smooth progress of rescue work to complete the emergency communications .

他们的通信设施很不健全，他们还不知道有雷达。

Their signal service was rudimentary . Radar was unknown to them .

网络中无固定基础通信设施，没有中心控制节点。

There is no fixed infrastructure and central controlling nodes in the network .

但是，现在反叛势力好像反而武器装备和通信设施更多了。

But the opposition fighters seem to have more weapons and communications equipment today .

空间通信设施模型与仿真

Model and Simulation of Space Communication Infrastructure

有了现代化的通信设施，世界似乎变小了，距离再远也算不得什么。

With modern communications , the world seems smaller and distance doesn 't matter so much .

数据转换可以联络进行，功经电信或数据通信设施进行。

Data conversion may be done online , or through a telecommunications or data communications device .

即便是独立系统也需要通信设施来报告自己的状态。

Even systems that appear to be stand-alone need a communications infrastructure to merely report their status .

近年来，计算机网络取得了突飞猛进的发展，网络已经成为人类社会的基础通信设施。

Developing rapidly in the recent years , the computer network has become the communication infrastructure of the human society .

高效通信设施表现为优化的系统线程策略、连接策略及快速的方法分派等。

The improvement of communication facilities embodies the optimization of thread policy , connection policy and the optimization of method dispatch .

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 .

特别是在一些高频、甚高频军事专用无线通信设施中，往往将多个接收、发射装置安放在同一车体平台上。

In particular , transmit-receive modules mounted on vehicular platforms are widely encountered in ad-hoc network configurations of HF / VHF military radio .

最后本文提出了构建新型农村通信设施投融资体制相应的对策和建议。

Finally this article put forward some corresponding countermeasures and suggestions on the construction of new investment and financing system of rural communication infrastructure .

综合布线系统是一套用于建筑物内或建筑群之间为计算机、通信设施与监控系统预先设置的信息传输通道。

Comprehensive wiring system is information transmission passway of computer , communication facilities and menitoring system set up in advance inside buildings or among buildings .

灾害的发生往往导致民用通信设施瘫痪，给救灾抢险工作的展开造成了很大困扰。

Natural disasters often lead to paralysis of the civilian communications facilities so that it is difficult to carry out the relief and rescue work .

与此同时，各运营商之间为了自己争取更多的资源而置社会资源的浪费于不顾，重复投资和建设基础通信设施。

In the meantime , in order to occupy more resources , the operator even ignore the waste of social resources , invest and construct of communications infrastructure repeatedly .

这种网络结构在军事、灾难救助、探险等基础通信设施无法覆盖或者遭到破坏的环境中有很好的应用前景。

Ad hoc network has a well applying foreground in situations where communication infrastructures could not cover with or being destructed , such as military , disaster rescue and exploration .

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.

众所周之，野外通信设施的建设不可避免的受到各种风险的影响，致使工程项目进度减缓，甚至于导致工程项目搁浅。

We all know , the communication field facilities of construction inevitably subject to various risks , resulting in slow progress of the project , and even led to the project is shelved .

并以其高度的灵活性在军事、民用和各种不易建设固定通信设施的环境中有着广泛的应用前景。

With their high flexibility , Ad Hoc networks will be widely used in the fields of military , civil and various environments where the fixed communication infrastructure is difficult to set up .