长三角区域对流层延迟简易模型的建立  

Building the Simple Model of Tropospheric Delay in the Yangtze River Delta Region

作　　者：赵佩铭[1] 陈义[1,2] 于松松[1] 楼立志[1,2] 

机构地区：[1]同济大学测量与国土信息工程系,上海200092 [2]现代工程测量国家测绘局重点实验室,上海200092

出　　处：《全球定位系统》2012年第6期1-4,共4页Gnss World of China

基　　金：上海市自然科学基金(批准号:09ZR1433100)资助的课题

摘　　要：在对流层经验模型Saastamoinen模型和EGNOS模型的基础上,通过对长三角地区近40年气象规律的研究,总结了温度、气压、相对湿度相对于年积日的函数关系,建立了适用于长三角区域的对流层天顶延迟的简易模型。通过实验验证了该模型的有效性,该模型输入参数是年积日,不仅方便快捷,还提高了经验模型的精度,为更精确的区域模型研究提供了参考。A simple model of the tropospheric zenith-delay is established in this paper, which is based on the Saastamoinen model and EC-NOS model. The model is researched through the meteorological data of the Yangtze River delta region during the last 40 years. The input parameter of new model is day of year, which not only is convenient, but also the accuracy of the empirical model is improved. It provides a reference for more accurate region- al model. The experiments verify the validity of the model.

关 键 词：GPS定位 对流层延迟 函数拟合与插值 Saastamoinen模型 EGNOS模型 

分 类 号：P228.4[天文地球—大地测量学与测量工程]