APPLICATION OF MATHEMATICAL MORPHOLOGY FILTER IN ANALYSES OF BASELINE BETWEEN GPS STATIONS
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摘要: 通过GAMIT软件得到福建省连续观测GPS基准站基线时间序列,并引入数学形态滤波法,过滤基线中的白噪音和脉冲扰动。以福建省主要断裂带为研究背景,研究GPS基线时间序列、跨断层短水准观测资料与福建主要断层的相关性,分析了影响基线变化的因素,以及地壳水平运动与应力积累的关系。Abstract: First, time series of baseline observation of GPS continuous sites in FuJian province is calculated by use of the GAMIT program, then, white noise and impulsive perturbation in the time series are removed using mathematical morphology filter.Then, taken main fault zone of FuJian as research background, the relationship between GPS baseline series, short leveling deformation observation data of crossfault sites and regional crustal motion in Fujian is studied.The influence of mail factors of the quality of the GPS baseline is analyzed, and the relationship between crustal movement and principal compression stress are obtained.
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Key words:
- GPS baseline /
- crustal deformation /
- Mathematical morphology filter
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