摘要
在GNSS对流层层析应用中,常规的网格辐射路径算法是利用空间平面与空间直线求截距。本文介绍了一种快速求解算法,用于计算网格辐射路径,构造层析系数矩阵。结果表明,快速求解方法与常规方法解算精度相当,当射线条数大于500时,计算效率明显提高。
In this paper, a fast grid radiological path determination algorithm was introduced to construct the tomographic coefficient matrix. Numerical results show that the accuracy of the fast algorithm is comparative to that of the conventional algorithm. On the other hand, the computational burden was significantly reduced with the fast algorithm when the amount of satellite signals exceeded 500.
出处
《地理空间信息》
2016年第6期45-47,7,共3页
Geospatial Information
基金
国家自然科学基金资助项目(41474004)
关键词
对流层层析
层析网格
系数矩阵
网格辐射路径
tropospheric tomography
tomographic grid
coefficient matrix
grid radiological path
