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	Determination of sea level height variation by dynamics crossover adjustment
	Cheng, L. Y. ; Hsu, H. T.
	2004
页码	221-224
中文摘要	The satellite radar altimeter surveys global mean sea level height continuously. The crossover point adjustment is based on the ascending-tracks and the descending-tracks of satellite orbit. According to the dynamic model of the altimetry satellite motion, the method of dynamic crossover point adjustment is introduced in this paper. It is the fact that the altimetry data sets in the crossover points are just as the repeated observations which constructs the basis of the crossover adjustment. Assume that h(0) is a sea level height variation, Delta(X) over bar (d)(j) is the satellite orbit change at time t(j)(d), Delta(X) over bar (a)(i) is the satellite orbit change at time t(i)(a),h(ij)(ad) is the undulation of the sea level height in the crossovers of the ascending-tracks and the descending-tracks. The sea level height variation h, can be gained by least-squares adjustment procedure. By establishing the dynamic model of crossover adjustment, the orbit errors could be reduced or weaken, thus improves the accuracy of the sea level height variation determined.
原文出处	://WOS:000189441200026
公开日期	2012-04-11
内容类型	期刊论文
源URL	[http://ir.whigg.ac.cn/handle/342008/3015]
专题	测量与地球物理研究所_其他_期刊论文
推荐引用方式 GB/T 7714	Cheng, L. Y.,Hsu, H. T.. Determination of sea level height variation by dynamics crossover adjustment[J],2004:221-224.
APA	Cheng, L. Y.,&Hsu, H. T..(2004).Determination of sea level height variation by dynamics crossover adjustment.,221-224.
MLA	Cheng, L. Y.,et al."Determination of sea level height variation by dynamics crossover adjustment".(2004):221-224.

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