Monitoring of 3D deformation of target by ground-based synthetic aperture radar

doi:10.13474/j.cnki.11-2246.2020.0074

Bulletin of Surveying and Mapping ›› 2020, Vol. 0 ›› Issue (3): 35-38,68.doi: 10.13474/j.cnki.11-2246.2020.0074

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Monitoring of 3D deformation of target by ground-based synthetic aperture radar

JIANG Liubing, YANG Kai, CHE Li

School of Computer and Information Security, Guilin University of Electronic Technology, Guilin 541004, China

Received:2019-05-13 Revised:2019-07-23 Online:2020-03-25 Published:2020-04-09

Abstract

Abstract: Deformation monitoring is an important way of early warning before the calamity accidents happen, such as variouslarge-scale building collapse, bridge collapse, landslide and others. Ground-based interferometric synthetic aperture radar has obvious advantages and been widely used in various methods of deformation monitoring. Aiming at the problem that GB-SAR can only measure one-dimensional deformation of targets, the concept of parallel synthetic aperture radar is proposed. Based on the two-dimensional displacement obtained by multi-aperture interferometry and integrated the target displacement date monitored by parallel radar, the three-dimensional displacement information of the target is obtained by accurately calculation, which can reflect the real displacement of target, which is of great significance for the monitoring and diagnosis of the structural performance of the building.

Key words: ground-based synthetic aperture radar, health monitoring, multi-aperture interference, parallel radar, three-dimensional displacement

CLC Number:

P258

JIANG Liubing, YANG Kai, CHE Li. Monitoring of 3D deformation of target by ground-based synthetic aperture radar[J]. Bulletin of Surveying and Mapping, 2020, 0(3): 35-38,68.

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