天线相位中心偏移和变化对高精度GPS数据处理的影响

Impact of Antenna Phase Center Offset and Variation for High Precision GPS Data Processing

摘要: 介绍了GPS天线相位中心偏移、变化的校准方法和GPS天线相位中心改化的原理,并通过GAMIT软件描述了改化算法。计算了天线相位中心变化对GPS定位结果的影响,给出了高精度GPS数据处理中关于天线相位中心改化的方法和建议。

Abstract: This paper first introduces the methods of calibrating antenna phase center offset and variation and the principle of correcting antenna phase center,then describes the algorithm in GAMIT.A sample is computed to consider the impact of phase center variation on the results of GPS positioning.Finally some feasible conclusions and suggestions with respect to antenna phase center correction in high precision GPS applications are listed.