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GPS仪器偏差的求解方法及其对电子总量的影响 被引量:4

The method of estimating instrumental bias and its effect on VTEC
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摘要 指出了仪器偏差对计算电离层电子总量的影响,提出一种消除仪器偏差的方法,并依此方法计算了乌什和鼎新站2000年7月13日各个卫星交叉点沿天顶方向上的总量(VTEC)。分析表明,只有合理消除仪器偏差的影响,利用GPS观测资料计算的VTEC才更加可靠,才能更好地反映出电离层的实际变化情况。 This paper indicates theeffect of the instrumentalbias on calculating the Vertical Total Elec-tron Contents.A method of estimating the instrumental biasis in troduced.The analysis shows the VTE Ccalculating with GPS data is moreavail ability when the instrumental bias is rule out,and only in this case,the result can reflect the state of the ionosphere better.
作者 张健 欧吉坤
出处 《测绘工程》 CSCD 2003年第3期24-25,43,共3页 Engineering of Surveying and Mapping
关键词 GPS 仪器偏差 电离层 电子总量 instrumental bias ionosphere Vertical total Electron Contents
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