根据卫星信号,连同轮速传感器输入的速度和仪表所示的方向,即使在汽车移动时也能确定它的位置。
The satellite signals, along with inputs on speed from a wheel-speed sensor and direction from a meter, determine the car's position even as it moves.
不仅如此,该项目采用的移动通讯和卫星技术还能克服环境上的阻碍,如地理位置的不同。
It also helps that the mobile communications and satellite technologies used by the project are able to surmount physical barriers such as geographic location.
即便现代社会生活通过卫星天线和移动电话慢慢渗入到这个古老的乡村,辛旁迪一家说,他们希望这个古老的传统能在他们孩子的身上得以延续。
Even as modern society arrives in this ancient village through satellite dishes and mobile phones, the Pundirs say they want their age-old tradition to continue with their children.
Selex通信公司将提供Tetra移动通信计划,以及HF、卫星和微波无线连接。
Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.
在移动设备上,可能还会涉及到扫描无线发射塔和pingGPS卫星。
On mobile devices, it might also include scanning cell towers and pinging GPS satellites.
移动和固定电话服务失灵超过48小时,人们只能通过卫星电话取得联系,然而这些卫星电话也大都丢失了。
Mobile and landline phone services were lost, and for more than 48 hours it was only possible to make contact on satellite phones, although many of these had also been lost.
是的,我们的想象还有电子产品-移动电话,DVD播放机、数码相机、互联网和卫星定位都依靠大量的数学。
So yes, our fancy electronic gadgets – mobile phones, DVD players, digital cameras, the internet, satnav – rely on a lot of maths.
MUOS将扩展和取代传统的超高频(UHF)后续通信卫星(ufo),为移动士兵提供通信保障,包括同步语音、视频和数据。
MUOS will augment and replace the legacy Ultra High Frequency (UHF) Follow-On system (UFO) providing assured communications, including simultaneous voice, video and data, for mobile warfighters.
同时,卫星定位技术的与移动电话和车辆的组合放松了限制。
Atthe same time, the incorporation of satellite-positioning technology intomobile phones and cars could open the floodgates.
享受这一新型游戏般的人生,需要实现实时数据的增殖,有一些技术装备就是必不可少的,包括可以全球卫星定位的移动装置、便宜的联网传感器和其他技术。
An essential ingredient of this new game of life is the proliferation of realtime data from GPS-enabled mobile devices, cheap networked sensors and other technologies.
根据卫星图像和当地科学家的报告,自从2011年6月以来,冰川已经大约移动了800到1000米。
According to satellite imagery and reports from local scientists, the glacier has moved roughly 800 to 1, 000 meters since June 2011.
国际移动卫星通信系统为用户提供广泛的和日益增加的语音频带数据和传真业务。
The Inmarst system offers the user a large and growing range of voice band data and facsimile services.
本文阐述陆地移动卫星通信系统(LMSS)及其信道传输的性能和特点。
The paper introduces the land mobile satellite communication system (LMSS) and its channel transmission performance and features.
采用GPS卫星定位技术与GPRS通用分组无线业务相结合,实现对移动车辆的全天候的监控、报警、指挥和调度的功能。
Adopt GPS satellite location technology to combine with GPRS GPRS , realizes it to moving all-weather control of the vehicle , function called the police , commanded and managed.
这里要指出的是不同级别的磁力卫星在持续时间,作用半径,移动速度和释放前延迟上都有显著的差别。
However it should be noted that there is a significant difference in duration, radius, speed and pre-deployment delay.
随后,中国电信拆分为新中国电信、中国移动和中国卫星通行公司,寻呼业务并入中国联通公司。
Subsequently, China Telecom was divided into three companies:the new China Telecom, China Mobile and China Satellite Communications, with the paging business incorporated into China Unicom.
它可以发射人造卫星或给卫星补充燃料,把卫星移动到新轨道上,或者更换它们的软件和硬件。
It could re lease or re fuel satellites, move them to new orbits, or re place their hard ware and software.
为了改善移动卫星天线的控制性能和稳定性,本文进行移动卫星天线的自适应鲁棒控制系统的研究。
The use of the adaptive robust controller for improving control performance and stability of mobile satellite antenna systems is investigated in this paper.
本文介绍全球星低轨移动卫星通信系统的设计思想、技术体系和终端设备以及目前的实施情况。
The design principles, technical terminal equipment and the implementation of the LEO satellite - based mobile communications system are described in this article.
这是大型媒体公司的最新一次试验,试图通过各种新兴数字平台接触到消费者,包括有线和卫星视频点播、互联网和移动电话。
It is the latest experiment by a large media company to reach consumers over a variety of emerging digital platforms -including cable and satellite video-on-demand, the Internet and mobile phones.
扩频技术在数字蜂窝移动通信系统、卫星移动通信、室内无线通信和未来的个人通信中被广泛采用。
Spread Spectrum technique is widely used in digital cell-phone mobile communication system, satellite mobile communication, inside wireless communication and future personal communication.
重灾区玉树县所辖8个乡镇中的5个乡恢复了固定通信和移动通信,只有3个乡通过卫星电话保持对外联络。
Fixed and mobile telecom services had been resumed in 5 villages out of the 8 townships under the severely-hit Yushu Prefecture and only the rest 3 were communicating with satellite phones.
跳频技术具有很强的抗干扰能力和组网灵活等优点,在军事无线通信、民用移动通信、卫星通信、现代雷达和声纳等电子系统中有重要应用。
Frequency hopping has the advantage of anti-jamming and the flexible of networks, it is important applications of military communication, mobile communication, modern radar and sonar.
本文通过对比地面移动通信系统和低轨卫星移动通信系统,为低轨卫星通信系统设计了一种呼叫接入控制策略。
This paper compares the ground mobile communication system and LEO satellite mobile communication system, then designs a CAC for LEO satellite communication system.
为了提高移动通信系统的容量和效率、实现全球无缝覆盖,必须实现低轨卫星移动通信系统与地面通信系统之间的有机综合。
It is necessary to integrate the LEO satellite communication systems and terrestrial mobile communication systems for improving the capacity and efficiency, achieving global seamless coverage.
针对低轨卫星移动通信系统用户在多星覆盖的情况下的位置注册问题,提出了仰角和覆盖时间加权策略。
In LEO satellite network, MTs are always covered by more than one satellite simultaneously. A satellite selection strategy for the MT to register its location is presented in this paper.
论文主要贡献如下:提出了卫星移动通信网约束连通度的概念,并将其应用于网络结构的设计和评价。
The major contributions of the dissertation include: network connectivity degree based on time delay is presented and applied to the design and evaluation of network architecture.
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化,而采用宽带扩频调制则可极大改善系统的性能。
Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
应用推荐