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光电经纬仪双站交会测量算法改进及其误差分析 被引量:7

An Improved Data Processing Method and Error Analysis on Trajectory Measurement by Intersection of Two Photoelectric Theodolites in Shooting Range
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摘要 以靶场双站交会测量中常用的"水平投影法—L公式"为基础,对测量误差进行了仿真分析,给出这种一站为主,一站为辅测量算法的测量有效区域,并对此算法进行改进,仿真结果表明,改进后的算法充分利用2台经纬仪测量数据,不仅使得交会测量有效区域分布对称,而且使得测量误差减小了28.7%,同时使得测量有效区域大大提高了。 Based on the commonly used data processing method "Level Projection Method-L Formula" on trajectory measurement by intersection of two photoelectric theodolites in shooting range, and according to the simulation analysis of the error distribution, there were some issues with sueh approach. First, the distribution of the error was uneven to the baseline; second, the effective measurement area was narrow. Then some improvements were done on the algorithm. The simulation results showed that the data of the two stations were full used by the improved algorithm, and that the effective area was symmetric to their baseline, and that the measurement error was reduced by 27.8%. What's more, the size of the effective measurement area was greatly improved. This improved formula was of great engineering practical significance
出处 《海军航空工程学院学报》 2012年第5期499-502,共4页 Journal of Naval Aeronautical and Astronautical University
基金 国家自然科学基金资助项目(60674090)
关键词 外弹道测量 光电经纬仪 交会测量 误差分析 布站 exterior trajectory measurement: photoelectric theodolite intersection measurement erroranalysis station distribution
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