BDS/GPS短基线解算的随机模型研究Study on stochastic models of BDS/GPS short-baseline solution
陈浩,许长辉,宋现锋,孙伟
摘要(Abstract)：
针对BDS轨道高度存在差异进而影响短基线解算结果的问题,该文利用两组实测数据,研究BDS和BDS/GPS组合系统的短基线解算精度及可靠性,并探讨4种随机模型的性能。结果表明,BDS和BDS/GPS组合系统短基线解算精度能够达到厘米级,且模糊度解算的可靠性更高;4种随机模型性能相当,随着基线长度增加,MINQUE模型的优势降低;不同类型卫星轨道高度差异较大,高度角模型不适宜BDS和BDS/GPS组合系统短基线解算。
关键词(KeyWords)： 基线解算;BDS/GPS组合系统;随机模型;可靠性
基金项目(Foundation): 国家自然科学基金项目(40774010);; 中国博士后基金面上资助项目(2013M530707);; 中国科学院大学校长基金项目;; 江苏省资源环境信息工程重点实验室开放基金资助项目(JS201304)
作者(Author): 陈浩,许长辉,宋现锋,孙伟
DOI: 10.16251/j.cnki.1009-2307.2016.03.003
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