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RESEARCH ON HIGH PERFORMANCE GNSS NORMAL EQUATION PROCESSING METHOD BASED ON OPENMP
Author(s): 
Pages: 141-144
Year: Issue:  1
Journal: Journal of Geodesy and Geodynamics

Keyword:  GNSS基准站网 OPENMP 法方程解算 数据处理 测站数量;
Abstract: 在大规模GNSS基准站网数据处理中,全网整体数据处理可以避免由于分子网解算而带来的子网划分、公共站选取等技术难点,在一定程度上维持了数学模型的严密性。针对大规模GNSS基准站网数据处理中存在的技术难点,给出了同时处理测站数量受限制(不能超过100个)的解决方法,比较了滤波算法与最小二乘估计算法的优劣,对比分析了现有法方程解算方法的效率,实现了基于OPENMP的并行乔里斯基分解法方程求逆方法,通过实际算例验证了其解算的高效率。
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