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中国地区ERA-Interim资料计算ZTD精度评估 被引量:4

ZTD accuracy calculated from ERA-Interim data over China
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摘要 利用中国大陆地区7个IGS站2011年实测的高精度对流层天顶延迟(ZTD)数据对ERA-Interim资料计算ZTD的精度进行了评估。结果表明在中国地区ERA-Interim资料计算ZTD的年均偏差的绝对值BIAS和RMS分别优于1和2 cm,且无明显的季节变化。 In this study, the Zenith Tropospheric Delay ( ZTD) for ERA-Interim was assessed by ZTD from sev-en IGS sites over China's Mainland in 2011 .The results show that the mean yearly BIAS and RMS for the ERA-Interim ZTD are better than 1 cm and 2 cm respectively.Besides, there are no obvious seasonal characters.
出处 《桂林理工大学学报》 CAS 北大核心 2015年第3期518-523,共6页 Journal of Guilin University of Technology
基金 国家自然科学基金项目(41461089) 广西空间信息与测绘重点实验室项目(14-045-24-10) 广西自然科学基金项目(2012GXNSFGA060001 2012GXNSFAA053183) 广西矿冶与环境科学实验中心项目(KH2012ZD004) 广西"八桂学者"岗位专项经费项目 广西研究生教育创新计划项目(YCSZ2015163)
关键词 ERA-Interim资料 天顶对流层延迟 中国地区 精度分析 ERA-Interim data ZTD China area accuracy analysis
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