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实时电离层格网数据精度评估

赵金生

赵金生. 实时电离层格网数据精度评估[J]. 空间科学学报, 2020, 40(6): 1024-1029. doi: 10.11728/cjss2020.06.1024
引用本文: 赵金生. 实时电离层格网数据精度评估[J]. 空间科学学报, 2020, 40(6): 1024-1029. doi: 10.11728/cjss2020.06.1024
ZHAO Jinsheng. Assessment of Ionospheric Real-time Data[J]. Journal of Space Science, 2020, 40(6): 1024-1029. doi: 10.11728/cjss2020.06.1024
Citation: ZHAO Jinsheng. Assessment of Ionospheric Real-time Data[J]. Journal of Space Science, 2020, 40(6): 1024-1029. doi: 10.11728/cjss2020.06.1024

实时电离层格网数据精度评估

doi: 10.11728/cjss2020.06.1024
详细信息
    作者简介:

    赵金生,E-mail:510802578@qq.com

  • 中图分类号: P352

Assessment of Ionospheric Real-time Data

  • 摘要: 电离层延迟是制约单频接收机定位精度的重要误差源之一.为提高单频接收机的实时电离层改正精度,需要实时电离层数据.以中国科学院空天信息创新研究院提供的实时电离层数据为例,对比分析不同太阳活动期实时电离层数据及预报电离层数据与IGS最终电离层数据之间的差值以及不同太阳活动期、不同纬度测站的电离层数据对电离层延迟进行改正后得到的定位精度.结果表明:在低太阳活动期和高太阳活动期,实时电离层数据无法很好地反映大部分海洋上空的电离层变化特性;对不同太阳活动期,实时电离层数据在高纬度测站的定位精度优于预报数据和广播模型,在中纬度测站的定位精度略低于预报数据而与广播模型定位精度相当,在低纬度测站的定位精度略优于预报数据和广播模型.

     

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出版历程
  • 收稿日期:  2019-06-14
  • 修回日期:  2019-11-20
  • 刊出日期:  2020-11-15

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