非差非组合数据处理中的电离层效应分析及参数化方法

来源 :第八届中国卫星导航学术年会 | 被引量 : 0次 | 上传用户:bing4086
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本文分析了已有的一些应用于单频PPP的消电离层方法。同时,基于非差非组合观测模型,考虑了电离层延迟的时间域和空间域特性,附加了相关约束,提出了一种兼顾函数模型和随机过程的电离层参数化方法,并且利用傅里叶分析,精化了函数模型部分,利用全球分布的IGS站的数据,验证了电离层延迟可以被分解为一个确定性的函数模型部分和一个随机部分。
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