新型FMCW地基SAR和三维激光扫描仪在大坝变形监测中的应用

doi:10.13474/j.cnki.11-2246.2019.0082

测绘通报 ›› 2019, Vol. 0 ›› Issue (3): 76-80.doi: 10.13474/j.cnki.11-2246.2019.0082

新型FMCW地基SAR和三维激光扫描仪在大坝变形监测中的应用

刘龙龙^1,2,3, 张继贤⁴, 王世杰^1,2, 赵争³

1. 兰州交通大学测绘与地理信息学院, 甘肃兰州 730070;
2. 甘肃省地理国情监测工程实验室, 甘肃兰州 730070;
3. 中国测绘科学研究院, 北京 100830;
4. 国家测绘产品质量检验测试中心, 北京 100830

收稿日期:2018-04-03 出版日期:2019-03-25 发布日期:2019-04-02
作者简介:刘龙龙(1991-),男,硕士,助理工程师,主要研究方向为地基SAR及变形监测。E-mail:774179180@qq.com
基金资助:
国家重点研发计划（2017YFB0503004；2018YFF0215303）；国家基础测绘科技计划（2018KJ0103）；中国测绘科学研究院基本科研业务费（7771808；7771715）

Application of new FMCW ground-based SAR and three-dimensional laser scanner in dam deformation monitoring

LIU Longlong^1,2,3, ZHANG Jixian⁴, WANG Shijie^1,2, ZHAO Zheng³

1. Faculty of Geomatics, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. Gansu Provincial Engineering Laboratory for National Geographic State Monitoring, Lanzhou 730070, China;
3. Chinese Academy of Surveying & Mapping, Beijing 100830, China;
4. National Quality Inspection and Testing Center for Surveying and Mapping Products, Beijing 100830, China

Received:2018-04-03 Online:2019-03-25 Published:2019-04-02

摘要/Abstract

摘要： 为解决传统大坝变形监测方法仅能获取点形变信息，且监测成本高、受环境影响大等问题，提出了结合快速地基合成孔径雷达（Fast-GBSAR）获取的高精度二维形变图和三维激光扫描仪生成的DEM，解决了雷达数据可视化程度低的问题。利用该技术对国内某大坝进行了健康监测并对形变原因进行了深入分析，库区潮汐对大坝水平形变产生周期性的影响。试验表明，Fast-GBSAR可以获取高精度的大坝形变信息，结合三维可视化技术，建立直观、高效与高精度的三维监测方式，为大坝的变形监测提供了可靠保障。

关键词: 地基合成孔径雷达, 调频连续波, 大坝监测

Abstract: In order to solve the disadvantages of traditional dam deformation monitoring method,including only getting point deformation information,high monitoring costs and significant environmental impact,this study introduces a new monitoring technology for ground based synthetic aperture radar (GBSAR).The low visibility of radar data can be solved by the combination of high-precision two-dimensional deformation map obtained by Fast-GBSAR and DEM generated by three-dimensional laser scanner.Through monitoring of a domestic dam and in-depth analysis of deformation reasons using this technology,we propose that the tide in the reservoir area has a cyclical effect on the horizontal deformation of the dam.The result indicates that the high-precision dam deformation information can be obtained by Fast-GBSAR.In this study,a three-dimensional monitoring method with intuitive,efficient and high-precision is established,combined with three-dimensional visualization technology,and it provides reliable support for dam deformation monitoring.

Key words: ground-based synthetic aperture Radar, frequency modulated continuous wave, dam deformation monitoring

中图分类号:

P258

刘龙龙, 张继贤, 王世杰, 赵争. 新型FMCW地基SAR和三维激光扫描仪在大坝变形监测中的应用[J]. 测绘通报, 2019, 0(3): 76-80.

LIU Longlong, ZHANG Jixian, WANG Shijie, ZHAO Zheng. Application of new FMCW ground-based SAR and three-dimensional laser scanner in dam deformation monitoring[J]. 测绘通报, 2019, 0(3): 76-80.

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新型FMCW地基SAR和三维激光扫描仪在大坝变形监测中的应用

Application of new FMCW ground-based SAR and three-dimensional laser scanner in dam deformation monitoring

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