At present, the building of COMPASS Navigation Satellite System is proceeding.

目前，正在实施建设北斗卫星导航系统。

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On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.

在理论分析的基础上，本文设计了一个应用于北斗卫星导航系统接收机芯片中的低噪声放大器和下变频混频器。

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Experts said China is establishing the Compass navigation satellite system on the basis of the Beidou satellite navigation experimental system.

专家们说，中国正在以北斗卫星导航实验系统为基础建立罗盘导航卫星系统。

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Additionally, it features a G-Sensor with auto-rotation, e-Compass and Gyroscope for sophisticated navigation applications.

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It integrates a multi-GNSS location engine supporting GPS, Galileo, Glonass and Compass satellites to improve the navigation system performance in obstructed environments, Combined with SiRFDRive(R) dead reckoning software, the SiRFprimaII delivers seamless navigation experience whether driving in dense urban canyons or through tunnels or multistory parking lots.

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Or is there some insidious problem looming, causing havoc with our previously extremely reliable navigation tool - the compass?

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