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中文摘要：
亚速尔群岛是大西洋中脊一个扩散中心,研究其内部的动力学作用机制是当前的研究热点.基于高精度的地球重力场模型计算得到的自由空气重力异常与最新的全球地形模型,进行频谱分析,克服传统频谱分析方法中频谱泄露的缺陷,采用多窗口的算法,计算了亚速尔群岛的弹性厚度,研究结果表明该地区海底岩石圈是比较年轻的,地壳厚度为12km,弹性厚度为5km.
英文摘要：
Azores Plateau was a diffusion center of the MidAtlantic Ridge,to study the dynamics of its internal mechanism of action is focus of the current research.Based on the highprecision gravity field model,which can be used to calculate free-air gravity anomaly,and the latest global terrain model,spectrum analysis was done.To overcome the defects of the traditional spectrum analysis method spectrum leakage,multiwindow algorithm was used to obtain the Azores Plateau elastic thickness,the results show that the submarine lithosphere of the region is relatively young crustal thickness of 12 km and the elastic thickness was 5kilomters.
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