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杨元喜  yuanxi yang

西安测绘研究所  xi'an research institute of surveying and mapping

大地测量专家，北斗导航系统副总设计师，中国科学院院士，西安测绘研究所研究员。

主要从事大地测量研究，研究方向为动态大地测量及测量数据处理及质量控制理论，在测量抗差估计理论和自适应估计理论方面作了系统研究，是相关观测抗差估计系列理论体系和自适应抗差导航定位理论体系的原创者。

yuanxi yang is the geodesy expert, deputy chief designer of bds system, academician of chinese academy of sciences, researcher of xi'an research institute of surveying and mapping.

yang yuanxi is mainly engaged in geodesy research. his research direction is dynamic geodesy and measurement data processing and quality control theory. he has done systematic research on measurement robust estimation theory and adaptive estimation theory, and is the original creator of the theory system of adaptive robust navigation and positioning.