The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.

GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。

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This paper proposes a multiple phase palm relay station (PRS) based on positioning and tracking mechanism for CDMA mobile station (MS).

针对手机定位的检测概率和定位精度等难题，提出了一种基于手持中继的多步CDMA移动终端跟踪定位方法。

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