Other indoor positioning systems try to find a user's position using radio, ultrasound or infrared signals.
其他的室内定位系统尝试通过使用无线电，超声波或者红外信号来给用户定位。
Most recently, consumers have demanded advanced, next-generation applications, such as global positioning systems (GPS) and Web connectivity.
最近，消费者已经要求高级的下一代应用程序了，例如，全球定位系统(global positioning systems,GPS)和Web连通性。
Smart phones refer to handsets which offer a range of converged services such as high speed Internet access, e-mails, music players and global positioning systems.
智能手机指那些能够提供高速手机上网、电子邮件、音乐播放器和全球定位系统等一系列服务的手机。
The difference isn't much, about 25 billionths of a second over a 79 year life time, but it will have more practical applications in areas like global positioning systems and geophysics.
在一个人79年的生命中，可能才只有250亿分之一秒的差别。但是却可以应用于全球定位系统和地球物理学等领域中。
Looking over the horizon, you can envision a much broader use of the technology that includes video, automatic update, integration of remote IP-based devices, and global positioning systems (GPS).
展望未来，可以看到这些技术的更为广阔的应用，包括视频、自动更新、基于IP的远程设备的集成和全球定位系统(GPS)。
For today's global positioning systems, outstanding antenna performance is a must.
今天的全球定位系统，优秀的天线性能是必须的。
This article studies global positioning systems (GPS) multipath signal estimation.
研究全球定位系统(GPS)多径信号估计的问题。
Most mobile phones are powerful tracking devices, with global-positioning systems (GPS) inside.
大多数手机有强大的跟踪装置，手机里装有全球定位系统(GPS)。
In this paper we design a fuzzy self-tuning controller which can be used in motion control of oceanic dynamic positioning systems.
本文设计了一个用于海洋动力定位系统运动控制的模糊自适应控制器。
They put tiny tracking devices and cameras on the birds' backs and then followed their movements using global positioning systems.
他们在鸽子背后放置微型跟踪设备和摄像机，然后运用全球定位系统追踪它们的行动。
Secondly, it analyses the deficiencies existing in the current positioning systems and proposes a design project of the rescuer to make up the deficiency.
随后分析了现有定位系统的不足，提出了矿用搜救器的设计方案。
Global positioning systems, or GPS, have transformed our way of life. We rely on them for everything from navigation to measuring changes in sea levels and tracking money.
（全球定位系统）正在改变人类的生活和生产方法：交通定位、地质勘探、海拔测量、农业耕种、跟踪监控等一切活动都依赖于卫星导航定位系统。
The scientists spent 10 years studying pigeons. They put tiny tracking devices and cameras on the birds' backs and then followed their movements using global positioning systems.
科学家们花费了10年来研究鸽子。他们在鸽子背后放置微型跟踪设备和摄像机，然后运用全球定位系统追踪它们的行动。
Twenty-four-hour news, e-commerce, mobile phones, Global Positioning Systems, all these are making the world smaller and faster.
24小时新闻、电子商务、移动电话、全球定位系统，所有这些都正在使世界变得更小、发展得更快。
Positioning systems should operate as accurately, quickly and reliably as possible, especially under industrial ambient conditions.
定位系统的性能以准确，快速和可靠为标准，工业环境下的工作更是如此。
This contrasts with shorter-term measurements using Global Positioning Systems which suggest a greater proportion of thrust or shortening displacement than lateral displacement.
与短期的使用全球定位系统测量相对照，其揭示出一个比横向位移更大比例的推力或缩短性位移。
This contrasts with shorter-term measurements using Global Positioning Systems which suggest a greater proportion of thrust or shortening displacement than lateral displacement.
与短期的使用全球定位系统测量相对照，其揭示出一个比横向位移更大比例的推力或缩短性位移。
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