全球覆盖

低轨（lowearthorbit，LEO）卫星通信系统由于具有全球覆盖、低的传输时延等特性成为下一代移动通信网络的重要组成部分。

Low earth orbit satellite communication systems could play an important role in future mobile communication networks due to their characteristics , such as global coverage and low propagation delay .

LEO卫星通信网络具有高带宽、低链路损耗、较小的星地时延、频率复用以及全球覆盖等优点。

LEO satellite communications network has the advantages of high bandwidth , low link loss , short delay , global coverage and frequency-mutiple .

GPS具有全球覆盖、全天候、高精度、三维卫星导航定位的特性。

GPS is based on wireless and possess capability of global , round-the-clock , precise and three-dimensional satellite navigation .

GPS／LEO掩星技术以其全球覆盖、高精度、高垂直分辨力、长期稳定、低费用、全天候观测等特点，提供了一种新的大气探测技术。

GPS / LEO occultation technique supplies a new sounding way with global distribution , high precision , high vertical resolution , long-time stability , low cost and all weather .

与单路径路由算法相比，多路径路由具有更好的容错性能和提供更多的聚合带宽，更加适合全球覆盖且网络拓扑频繁变化的LEO卫星系统。

Multipath routing is better than single path in terms of providing fault-tolerant pathes and polymerization bandwidth which is suitable for LEO satellite systems with global coverage and changing topology .

Inmarsat网络是目前运行最为稳定的全球覆盖、全天候卫星通信网络。

Inmarsat network , which has global coverage and all-weather capability , is so far the most steady satellite communication network .

Globalstar卫星通信系统星座模拟和全球覆盖率的研究

Constellation Simulation and Global Coverage Rate of Globalstar Satellite Mobile Communication System

GPS是现代高科技的结晶，它具有全天候、全球覆盖、三维高速定时、高精度、快捷、省时、高效率、可移动定位等传统测量技术所不具备的优点。

The Global Positioning System is the modern high technology . It has many advantages such as the global cover , all-weather , high speed three dimensional , the high accuracy , quick , time-saving , and highly effective which the traditional survey technology does not have .

在这种情况下，正如地面有线网和3G移动网的相互融合，卫星网和地面网的差别也将逐渐消失而共存于一个全球覆盖的通用移动通信系统（UMTS）。

In this scenario , distinctions between terrestrial networks and satellite networks , as well as between fixed networks and 3G mobile networks , will cease to coexist in the universal mobile telecommunication system ( UMTS ) .

由于DGPS具有全球覆盖、精度高和三维定位等特点，基于DGPS调车监控系统随之研制，也就是说智能交通系统在调车作业监控方面得以应用。

For DGPS has the character of global coverage , high precision , 3-D location , etc , DGPS Based Shunting Monitoring System is developed . That is to say , ITS is applied in shunting operation monitoring .

IMF-2000是国际电联提出的一个全球覆盖的、具有高度智能和个人服务特色的移动通信网。

IMF-2000 which is introduced by ITU-R is a global , highly intelligent and personal service featured mobile telecommunication network .

全球覆盖稳定拓扑LEO/MEO双层卫星激光网络设计

Designing of optical two-layered satellite network of LEO / MEO with global coverage

卫星网络能够提供全球覆盖并支持多种业务。

Satellite network can provide global coverage and support a lot kind of services .

讨论了全球覆盖正交圆轨道星座设计方法。

The design method of the orthogonal circular orbit satellite constellation supporting global coverage is studied .

通过对全球覆盖星座进行仿真，验证了方法的可行性。

The feasibility of this method was demonstrated by the simulation result of several global-coverage Walker constellations .

由于电子媒介的发达，大众文化迅速蔓延，甚至在全球覆盖；

As the development of electronic media , the rapid spread of popular culture , and even the global coverage ;

今年，该公司还在六个欧洲国家取得了实质性进展，扩大了全球覆盖范围，提升了知名度。

The company has also made meaningful inroads into six European countries this year , expanding its global reach and brand name .

结果表明，优化后的星座不仅能在我国领土范围内提供实时通信服务，而且具有一定的全球覆盖能力。

The result showed that the optimized constellation could provide communication in time for China and had the certain capability of global coverage .

实践证明，电视传播的全球覆盖与落地是以在海外市场中的本土化传播为基础的。

It is proved by practice that the global overcast and take-over of television broadcast is based on its localization in oversea markets .

我们银行能基于广泛的产品组合和全球覆盖网络，提供综合性的服务，这是客户选择我们的一个重要因素。

The range of what this bank can do with both its product set as well as its global reach is a strength that clients like us to have .

它具有高精度、高分辨率、全天候、低成本、准全球覆盖、自校正而无仪器偏差、不用亲临观测点等优势。

It has advantages with high accuracy , high resolution , all-weather condition , low consuming , globally coverage , self-adjustment , free of observer to climb sounding point .

全球覆盖：她在全球已经拍摄了近200对“换装达人”，包括西班牙、日本、法国、奥地利、墨西哥、加拿大和美国。

Globe trotter : She has photographed over 200 ' switcheroos ' all over the world , including Spain , Japan , France , Austria , Mexico , Canada and America .

全球覆盖：她在全球已经拍摄了近200对换装达人，包括西班牙、日本、法国、奥地利、墨西哥、加拿大和美国。

Globe trotter : She has photographed over 200 ` switcheroos ` all over the world , including Spain , Japan , France , Austria , Mexico , Canada and America .

这种临边探测技术结合了天底和掩星两种技术的优点：提供如天底模式一样高空间分辨率全球覆盖的大气痕量气体分布，且能与掩星模式相媲美的高垂直分辨率的气体廓线。

This technique , combining the advantages of other techniques , provides vertical profiles of trace gas with high vertical resolution comparable to that of occultation measurements and with significantly better global coverage as nadir observations .

由于其高精度、全天候、全球覆盖、方便灵活和质优价廉等特点，目前已广泛应用在全世界几乎所有需要导航、定位的军用和民用系统中。

Currently , GPS has been widely used in most military and civil fields which need navigation and positioning for its characteristics of high-precision , all-weather , global coverage , convenience , flexibility , inexpensive and high-quality .

同时，卫星需要具备变轨能力以使其不易受到攻击，能够为观察新的敏感区域重新定位，或减少对全球覆盖多卫星群的需求。

At the same time , satellite orbit requires the ability to make it less susceptible to attacks , to be able re-positioning to see sensitive region , or to reduce the global satellite coverage and more .

目前，中国最大的卫星网络是北斗导航卫星系统，该系统目前拥有近30颗活跃卫星，到2020年底则将拥有35颗卫星，届时它将提供全球覆盖。

Currently , China 's largest satellite network is the Beidou Navigation Satellite System , which has nearly 30 active satellites and will have 35 by the end of 2020 , when it will offer global coverage .

谷歌是全球覆盖范围最广的搜索引擎，其将从周二开始修改其搜索排名的算法，新的算法将青睐那些“移动友好”网站，同时那些未能满足标准的网站的排名将出现下滑。

The world 's most popular search engine will on Tuesday start updating its secret formula for ranking sites to favour those are " mobile friendly , " while demoting sites that fail to meet its criteria .

相对于有线通信和地面无线通信，卫星移动通信系统的服务范围广阔，更容易提供全球覆盖，是通信领域中的研究热点。

Comparing with the fixed-line communication networks and the terrestrial wireless communication systems , the satellite mobile communication system has been a hot spot in the research field due to its wide coverage and convenience to provide the global service .

针对这一问题，在基于对星座覆盖性判断的基础上，提出了一种适用于各种不同要求的地带性覆盖（包括全球覆盖）星座通用优化设计方法。

For the purpose , a way to judge whether a constellation can satisfy a coverage requirement is firstly proposed , then a general method for designing of zonal coverage ( include global coverage ) constellation with different requirements is given .