The precise three dimension coordinate B, L, H can be obtained with GPS technique. It must be transformed into users needed coordinates, which has been applied widely in this field.
利用GPS测量技术可以获取GPS点高精度的三维坐标B、L、H ，经坐标转换可获得用户需要的坐标，在这一方面已获得广泛应用。
The synchronization principle of IRIG-B code is analyzed. When applying IRIG-B code in substation IED, neither communication messages of fieldbus nor multiple pulse signals of GPS are needed.
分析了B码的对时机理，指出变电站的智能设备采用B码对时，就不再需要现场总线的通信报文对时，也不再需要GPS输出大量脉冲接点信号。
This paper introduces a new method of resolving the b aselinevector between two GPS receivers, and explains a new method to determine the whole attitudes of a vehicle using only two GPS receivers.
介绍了求解两个GPS接收机之间基线向量的快速解算方法，并由此引出利用两个接收机来求解载体全姿态的新方法。
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