GPS double-differenced carrier phase observables GPS载波相位双差观测量
Integer ambiguity resolution is the key problem of GPS based real-time attitude determination system which use double differencing carrier phase observables.
GPS姿态测量通常采用双差载波相位观测量，因此整周模糊值解算成为GPS实时姿态测量的关键问题。
This paper presents a concept of antenna phase center. Effects of antenna center movement on GPS observables are studied.
阐述了天线相位中心的基本概念，定量研究了天线相位中心移动对GPS观测量的影响。
The outputs of simulation show that the real time error correction due to GPS antenna phase center movement is needed in order to acquire precision GPS observables.
计算机模拟表明，要获得准确GPS观测量来进行导航定位，必须进行天线相位中心引起误差的校正。
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