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| 引用本文： | 安家春,王泽民,屈小川,杜玉军. ���ڵ�վ��Ӳ���ӳ���ⷽ��[J]. 大地测量与地球动力学, 2010, 30(2): 86-90 |
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| 作者姓名： | 安家春 王泽民 屈小川 杜玉军 |
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| 作者单位： | 1. 武汉大学测绘学院,武汉,430079;武汉大学中国南极测绘研究中心,武汉,430079
2. 武汉大学测绘学院,武汉,430079 |
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| 基金项目： | 中国极地科学战略研究基金 |
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| 摘 要： | ????2004??11?′?????????????γ?????IGS????????????????GPS???????????????С?????????????????TEC???????С?????????????????????????????????????????????IGS??????????????￡?????????????????????Ч??????GPS?????????????????????????????????????з?????????????????????????仯?????????????????????????????????????????????????????????????
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| 关 键 词： | GPS ????? ?????????(TEC) ??????(DCB) ??? |
METHODS FOR ESTIMATION OF DIFFERENTIAL CODE BIASES BY USING SINGLE STATION GPS MEASUREMENTS |
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| An Jiachun,Wang Zemin,Qu Xiaochuan,Du Yujun,. METHODS FOR ESTIMATION OF DIFFERENTIAL CODE BIASES BY USING SINGLE STATION GPS MEASUREMENTS[J]. Journal of Geodesy and Geodynamics, 2010, 30(2): 86-90 |
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| Authors: | An Jiachun Wang Zemin Qu Xiaochuan Du Yujun |
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| Affiliation: | 1)School of Geodesy and Geomatics, Wuhan University, Wuhan 4300792)Chinese Antarctic Center of Surveying and Mapping, Wuhan University,Wuhan 430079 |
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| Abstract: | On the basis of the GPS observations in Nov. 2004 at IGS stations which are distributed in different latitudes,two methods: least square and minimization of standard deviation of TEC at all lines of sight were used to calculate the DCB of receivers.The results were compared with corresponding values published by IGS (International GNSS Service) and the variations of DCB were analyzed. It shows that these methods can be used to derive DCB and the accuracy is sufficient. Meanwhile, in DCB there are not apparent fluctuation during magnetic storm and apparent correlations with that at concatenation stations but there is close relation to receiver's property. It shows that the influence of receivers themselves on DCB is much greater than that from ionosphere condition. |
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| Keywords: | GPS GPS ionosphere Total Electron Content(TEC) Differential Code Bias(DCB) magnetic storm |
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