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一种GPS整周模糊度解可靠性的估计方法 被引量:2

A ESTIMATION METHOD FOR INTEGER PARAMETER RELIABILITY IN GPS
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摘要 用整周模糊度解可靠性的估计方法计算了一组静态GPS实测数据的定位结果,结果表明:用该方法进行快速精密定位所需定位时间最短,且简便、易行。在此基础上,利用卫星空中分布不同以及卫星个数不同的几组模拟观测数据的定位结果,验证了均匀的卫星分布更有利于快速求解整周模糊度。在卫星均匀分布的前提下,卫星个数越多,得到稳定整周模糊度解所需要的时间越短。 How to evaluate the performance of integer ambiguity resolution in GPS is introduced.For the static observation data,we use this method to compute the integer parameters reliability estimation and to analyse the satellite constellation optimization.The result shows that this method is easy and active to solve the integer parameter estimation reliability.The more symmetrical satellites distribute,the quicker we can get the resolution.
出处 《大地测量与地球动力学》 CSCD 北大核心 2009年第5期103-106,共4页 Journal of Geodesy and Geodynamics
基金 国家自然科学基金(40674004 40671155)
关键词 GPS 整周模糊度 可靠性估计 快速精密定位 卫星星座优化设计 GPS integer ambiguity resolution reliability estimation fast precise positioning satellite constellation optimization
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参考文献9

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二级参考文献6

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