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LUO Tianwen, LI Fei, PAN Bin, SHEN Guangbao, CHEN Tong, CHEN Jiaming, HAO Weifeng. Highway slope deformation monitoring based on car-borne dual-antenna InSAR system[J]. Geomatics and Information Science of Wuhan University. doi: 10.13203/j.whugis20200518
Citation: LUO Tianwen, LI Fei, PAN Bin, SHEN Guangbao, CHEN Tong, CHEN Jiaming, HAO Weifeng. Highway slope deformation monitoring based on car-borne dual-antenna InSAR system[J]. Geomatics and Information Science of Wuhan University. doi: 10.13203/j.whugis20200518

Highway slope deformation monitoring based on car-borne dual-antenna InSAR system

doi: 10.13203/j.whugis20200518
Funds:

The Major Projects of Guizhou Science and Technology Cooperation ([2017]3005-3)

  • Received Date: 2020-10-02
    Available Online: 2021-05-07
  • Objectives: Differential Interferometric Synthetic Aperture Radar (D-InSAR) has been widely used in large-scale surface deformation monitoring. However, the surface deformation obtained from spaceborne SAR data is easily affected by atmospheric noise, and the long revisit period leads to the incoherence. In order to effectively reduce these effects, this paper proposes a method to monitor the deformation of highway slope by car-borneInSAR system. Methods: Due to the orbit control of thecar-borne dual-antenna InSAR system, the spatial baseline of the interferometric pairs is close to zero. Therefore, when the D-InSAR data withthis system is used to extract the deformation information, it can avoid the flat phase, which greatly simplifies the differential interference processing process. Results: A certain area of Wuhan, Hubei Province is chosenasthe experimental area. Seven corner reflectors are deployed in the test area to evaluate the accuracy of deformation information extracted using the car-borne dual-antenna InSAR system.The deformation of seven reflectors is calculated by using the method proposed in this paper. The root mean square error of deformation between the real value and thecalculated value is 2.206 mm. Conclusions: In this paper, a deformation monitoring method of zero space baseline usingthecar-borne dual-antenna InSAR system is proposed and verified in Wuhan city. The D-InSAR method based on zero space baseline can avoid the process of the flat phase. At the same time, our system is small in size, and the design of the trajectory according to the actual needsis flexibly, which is very practical for small-scale highway slope deformation monitoring. Because of the small revisit period, the car-borne InSAR Data will not produce phase error due to atmospheric delay, and the deformation measurement accuracy is high.
  • [1] Lazecky M, Hlavacova I, Bakon M, et al. Bridge Displacements Monitoring Using Space-Borne X-Band SAR Interferometry[J]. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2016, 10(1):205-210.
    [2] Colesanti C, Wasowski J. Investigating Land-slides with Space-Borne Synthetic Aperture Radar (SAR) Interferometry[J]. Engineering geology, 2006, 88(3-4):173-199.
    [3] Closson D, Karaki N A, Hansen H, et al. Space-Borne Radar Interferometric Mapping of Precur-sory Deformations of a Dyke Collapse, Dead Sea Area, Jordan[J]. International Journal of Remote Sensing, 2003, 24(4):843-849.
    [4] Esposito C, Natale A, Palmese G, et al. On the Capabilities of the Italian Airborne FMCW AXIS InSARSystem[J]. Remote Sensing, 2020, 12(3):539.
    [5] Frey O, Werner C L, Wegmuller U, et al. A Car-borne SAR and InSAR Experiment[C].2013 IEEE International Geoscience and Remote Sensing Symposium-IGARSS. IEEE, 2013:93-96.
    [6] Frey O, Werner C, Hajnsek I, et al. A Car-Borne SAR System for Interferometric Measurements:Development Status and System Enhance-ments[C]. IGARSS 2018-2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2018:6508-6511.
    [7] Antonello G, Casagli N, Farina P, et al. Ground-based SAR Interferometry for Monitoring Mass Movements[J]. Landslides, 2004, 1(1):21-28.
    [8] Tarchi D, Casagli N, Fanti R, et al. Landslide Monitoring by Using Ground-Based SAR Inter-ferometry:an Example of Application to the Tes-sina landslide in Italy[J]. Engineering geology, 2003, 68(1-2):15-30.
    [9] Simons M, Fialko Y, Rivera L. Coseismic De-formation from the 1999 M w 7.1 Hector Mine, California, Earthquake as Inferred from InSAR and GPS Observations[J]. Bulletin of the Seismo-logical Society of America, 2002, 92(4):1390-1402.
    [10] Osmanoğlu B, Dixon H, Wdowinski S, et al. Mexico City Subsidence Observed with Persistent Scattererinsar[J]. International Journal of Applied Earth Observation and Geoinformation, 2011, 13(1):1-12.
    [11] Agram P S, Simons M. A Noise Model for In-SAR Time Series[J]. Journal of Geophysical Re-search:Solid Earth, 2015, 120(4):2752-2771.
    [12] Osmanoğlu B, Dixon T H, Wdowinski S, et al. Mexico City Subsidence Observed with Persistent Scattererinsar[J]. International Journal of Applied Earth Observation and Geoinformation, 2011, 13(1):1-12.
    [13] Corsini G, Diani M, Lombardini F, et al. Simu-lated Analysis and Optimization of a Three-Antenna Airborne Insar System for Topographic mapping[J]. IEEE Transactions on Geoscience and Remote Sensing, 1999, 37(5):2518-2529.
    [14] Ferretti A, Monti-Guarnieri A V, Prati C M, et al. InSAR Principles:Guidelines for SAR Interfer-ometry Processing and Interpretation[M]. ESA publications, 2007.
    [15] Goldstein R, Werner C. Radar Interferogram Filtering for Geophysical Applications[J]. Geo-physical Research Letters, 1998, 25(21):4035-4038.
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    [17] Luo T,Li F, Pan B, et al. Deformation Monitor-ing of Slopes with a Shipborne InSAR System:a Case Study of the Lancang River Gorge[J]. IEEE Access, 2021, 9:5749-5759.
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Highway slope deformation monitoring based on car-borne dual-antenna InSAR system

doi: 10.13203/j.whugis20200518
Funds:

The Major Projects of Guizhou Science and Technology Cooperation ([2017]3005-3)

Abstract: Objectives: Differential Interferometric Synthetic Aperture Radar (D-InSAR) has been widely used in large-scale surface deformation monitoring. However, the surface deformation obtained from spaceborne SAR data is easily affected by atmospheric noise, and the long revisit period leads to the incoherence. In order to effectively reduce these effects, this paper proposes a method to monitor the deformation of highway slope by car-borneInSAR system. Methods: Due to the orbit control of thecar-borne dual-antenna InSAR system, the spatial baseline of the interferometric pairs is close to zero. Therefore, when the D-InSAR data withthis system is used to extract the deformation information, it can avoid the flat phase, which greatly simplifies the differential interference processing process. Results: A certain area of Wuhan, Hubei Province is chosenasthe experimental area. Seven corner reflectors are deployed in the test area to evaluate the accuracy of deformation information extracted using the car-borne dual-antenna InSAR system.The deformation of seven reflectors is calculated by using the method proposed in this paper. The root mean square error of deformation between the real value and thecalculated value is 2.206 mm. Conclusions: In this paper, a deformation monitoring method of zero space baseline usingthecar-borne dual-antenna InSAR system is proposed and verified in Wuhan city. The D-InSAR method based on zero space baseline can avoid the process of the flat phase. At the same time, our system is small in size, and the design of the trajectory according to the actual needsis flexibly, which is very practical for small-scale highway slope deformation monitoring. Because of the small revisit period, the car-borne InSAR Data will not produce phase error due to atmospheric delay, and the deformation measurement accuracy is high.

LUO Tianwen, LI Fei, PAN Bin, SHEN Guangbao, CHEN Tong, CHEN Jiaming, HAO Weifeng. Highway slope deformation monitoring based on car-borne dual-antenna InSAR system[J]. Geomatics and Information Science of Wuhan University. doi: 10.13203/j.whugis20200518
Citation: LUO Tianwen, LI Fei, PAN Bin, SHEN Guangbao, CHEN Tong, CHEN Jiaming, HAO Weifeng. Highway slope deformation monitoring based on car-borne dual-antenna InSAR system[J]. Geomatics and Information Science of Wuhan University. doi: 10.13203/j.whugis20200518
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