...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Natural hazards and earth system sciences >Non-interferometric GB-SAR measurement: application to the Vallcebre landslide (eastern Pyrenees, Spain)
【24h】

Non-interferometric GB-SAR measurement: application to the Vallcebre landslide (eastern Pyrenees, Spain)

机译：非干涉式GB-SAR测量：应用于Vallcebre滑坡（西班牙比利牛斯东部）

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In the last decade, ground-based interferometry has proven to be a powerful technique for continuous deformation monitoring of landslides, glaciers, volcanoes, or manmade structures, among others. However, several limitations need to be addressed in order to improve the performances of the technique, especially for long-term monitoring. These limitations include the reduction of measurable points with an increase in the period of observation, the ambiguous nature of the phase measurements, and the influence of the atmospheric phase component. In this paper, a new procedure to process the amplitude component of ground-based synthetic aperture radar (GB-SAR) data acquired in discontinuous mode is compared and validated. The use of geometric features of the amplitude images combined with a matching technique will allow the estimation of the displacements over specific targets. Experimental results obtained during 19 months, in eight different campaigns carried out in the active landslide of Vallcebre (eastern Pyrenees, Spain), were analysed. During the observed period, from February 2010 to September 2011, displacements up to 80 cm were measured. The comparison with other surveying technique shows that the precision of the method is below 1 cm.
机译：在过去的十年中，基于地面的干涉测量技术已被证明是对滑坡，冰川，火山或人造结构等进行连续变形监测的强大技术。然而，为了改善该技术的性能，特别是对于长期监测，需要解决几个限制。这些局限性包括随着观测周期的增加而可测量点的减少，相位测量的模糊性以及大气相位分量的影响。本文比较并验证了一种新的处理以非连续模式获取的地面合成孔径雷达（GB-SAR）数据幅度分量的新程序。振幅图像的几何特征与匹配技术的结合使用将允许估计特定目标的位移。分析了在19个月中在Vallcebre（西班牙比利牛斯东部）的活跃滑坡中进行的八次不同运动中获得的实验结果。在观察期间，从2010年2月到2011年9月，测量的位移最大为80厘米。与其他测量技术的比较表明，该方法的精度低于1 cm。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号