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采样间隔和VTEC模型对GPS硬件延迟估计的影响分析 被引量：1

ANALYSIS OF INFLUENCE OF SAMPLING INTERVAL AND VTEC MODEL ON ESTIMATION OF GPS INSTRUMENTAL BIASES
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摘要 通过实测数据分析了采样间隔和VTEC拟合模型对解算卫星和接收机硬件延迟的影响。计算结果表明,对于连续运行的GPS观测站,采用3小时采样间隔和立方模型,可以正确解算出硬件延迟和有效减小计算量。 In the calculation of ionosphere distribution,it is a key to eliminate the instrumental biases of satellite and receiver from GPS dual-frequency observations.The effects of changing sampling interval and VTEC fitting model were analyzed.The calculation results indicate that the 3-hour sampling interval and cubic fitting model are sufficient for computing the instrumental biases on continuous GPS stations.
作者 高淑照 黄丁发
机构地区 西南交通大学土木工程学院
出处 《大地测量与地球动力学》 CSCD 北大核心 2010年第6期112-115,共4页 Journal of Geodesy and Geodynamics
关键词 电离层 硬件延迟 采样间隔 垂向电子总含量 立方模型 ionosphere instrumental biases sampling interval VTEC cubic fitting model
分类号 P227 [天文地球—大地测量学与测量工程]
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参考文献6

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大地测量与地球动力学
2010年 第6期

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