摘要
对于双天线动态GPS定位，本文采用动态精密单点定位方法确定飞机运动轨迹；考虑两个接收机所处环境几乎完全相同，两天线的空间距离为固定常数，构造距离约束条件，修正飞机定位结果，提高动态单点定位解算的可靠性。最后以一个实测机载GPS数据验证表明，该方法在一定程度上提高了动态单点定位的可靠性和精度。
Dynamic precise point positioning （DPPP） is employed to compute the position of aircraft for two antennas in the aircraft in this paper. The coordinates of two receivers are adjusted with a distance constraint to improve the reliability of DPPP because two receivers exist in almost the same condition and have the fixed distance. An actual dynamic GPS data set is employed to test the new procedure. It has shown that the modified procedure with the dis- tance constraint can improve the accuracy and reliability of the dynamic precise point positioning.
出处
《测绘科学与工程》
2011年第1期19-22,共4页
Geomatics Science and Engineering
关键词
动态单点定位
信息融合
距离约束
dynamic precise point positioning
information fusion
distance constraint
