Accuracy verification methods and experimental study of ground-based real aperture radar

Zhang Hao; Yang Xiaolin; Yang Feng; Zhang Batu; Yu Zhengxing; Ma Haitao

doi:10.19606/j.cnki.jmst.2021.06.011

Volume 6 Issue 6

Nov. 2021

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Article Navigation > Journal of Mining Science and Technology > 2021 > 6(6): 721-729

Zhang Hao, Yang Xiaolin, Yang Feng, Zhang Batu, Yu Zhengxing, Ma Haitao. Accuracy verification methods and experimental study of ground-based real aperture radar[J]. Journal of Mining Science and Technology, 2021, 6(6): 721-729. doi: 10.19606/j.cnki.jmst.2021.06.011

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Accuracy verification methods and experimental study of ground-based real aperture radar

doi: 10.19606/j.cnki.jmst.2021.06.011

1.
School of Mechanical Electronic and Information Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
2.
China Academy of Safety Science and Technology, Beijing 100012, China
3.
Institute of Science and Technology, Shenhua Zhunneng Group Co., Ltd., Erdos Inner Mongolia 010300, China

Received Date: 2021-02-27
Rev Recd Date: 2021-03-22
Publish Date: 2021-12-01

Abstract

Abstract

Conventional deformation monitoring means are limited by data accuracy, monitoring range, applicable environment and other factors, which seriously restrict the early warning and forecasting of landslide and collapse disasters.The microwave remote sensing method based on differential interference technology is an advanced technology for high precision monitoring of small displacements on non-contact surfaces nowadays.The self-researched ground-based real aperture radar system was applied in the research.This paper, based on the analysis of the signal model, summarized the process of target echo data processing with strong scattering characteristics and proposed a method applicable to verify the deformation monitoring accuracy of this type of radar system.Point target stationary and displacement experiments based on triangular plate angle reflector were carried out accordingly.Through the radar echo amplitude analysis and point cloud data fitting, the pre-defined target space position was discriminated and the target displacement standard value was determined, which proved the effectiveness of the method and the 0.1mm monitoring accuracy of the system.A slope monitoring experiment was carried out in Heidaigou open-pit coal mine in Inner Mongolia which combined with some point target deformation data illustrated the good practicality of the system.
- slope deformation monitoring,
- ground-based real aperture radar,
- differential interferometry,
- accuracy verification

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References(25)

References

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Accuracy verification methods and experimental study of ground-based real aperture radar

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