GPS, or global positioning system, is a satellite-based navigation system made up of a network of 24 satellites.

或者说全球定位系统，是一种基于24颗卫星网络的卫星导航系统。

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In aviation, showing how far China has come, U. S. regulators now visit the country to see applications of sophisticated satellite-based navigation aids and learn how the U.

在民航业，美国方面正派人到中国参观如何应用精确的卫星导航设备，并学习如何在恶劣天气和极端复杂地理条件下使用这些设备。

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The blind adaptive beamforming algorithms using PN code are studied in this paper, based on the smart antenna anti-jaming application in satellite navigation and position system receiver.

本文基于卫星导航定位系统接收机的智能天线抗干扰应用背景，研究了利用PN码的盲自适应波束形成算法。

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From broadband Internet to latest-generation wireless technologies, from aeronautical and maritime navigation to radio astronomy and satellite-based meteorology, from convergence in fixed-mobile phone, Internet access, data, voice and TV broadcasting to next-generation networks, ITU is committed to connecting the world.

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