量子测距辅助GPS整周模糊度算法

摘要

In measurement using GPS carrier phase, the positioning accuracy is determined by the accuracy of integer ambiguity resolution. It is well-known that the integer ambiguity can hardly be precisely resolved because of the small change of Position Dilution of Precision (PDOP) within a few observation epochs. Quantum ranging is a highly accurate positioning technology developed newly in recent years. A resolution method of integer ambiguity based on quantum ranging was proposed in this paper, which can improve positioning precision obviously. Mathematical analysis and simulation results demonstrated the accuracy and effectiveness of the method.%在GPS载波相位差分定位的过程中,整周模糊度解算的准确性决定了定位的精度.由于在短历元内位置精度因子变化缓慢,导致整周模糊度的求解困难.量子测距是近几年来发展起来的新型高精度测距技术,采用量子高精度测距辅助整周模糊度的求解方法,可以明显提高定位精度.数学分析和仿真结果验证了该方法的准确性和有效性.