zenith wet delay 站的天顶湿延迟 ; 和湿分量延迟
slant wet delay 湿延迟
ZWD Zenith Wet Delay 揤捀幖弫抶墑
zenith wet delay model 天顶湿延迟模型
GNSS slant-path wet delay GNSS信号方向湿延迟
wet zenith delay 湿项延迟
wet component delay 湿分量延迟
First, wet delay for the current model of low precision and made use of external inversion of wet weather data in near real time delay.
首先，针对目前湿延迟模型精度偏低，提出使用外部气象数据近实时反演湿延迟。
After the examples are analyzed, there are problems which need to be solved such as ambiguity, real-time clock bias error and the estimate method of zenith wet delay.
通过对算例的分析，提出需要解决的问题：整周模糊度、实时钟差和天顶湿延迟的估计方法。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
建立了双频载波相位观测模型，并将其进行无电离层延迟化简，用最小二乘原理推导了天顶湿延迟的估值公式。
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