The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation, its magnitude using practical datas is analyzed.
针对一类具体的应用，利用测量数据间的时域相关性分析了信息精确度与观测频率以及能耗与观测频率的关系，构建了信息精确度与能耗的关系模型。
The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation, its magnitude using practical datas is analyzed.
针对一类具体的应用，利用测量数据间的时域相关性分析了信息精确度与观测频率以及能耗与观测频率的关系，构建了信息精确度与能耗的关系模型。
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