Multi-view InSAR seawall high-precision three-dimensional deformation measurement method

A technology of three-dimensional deformation and measurement method, which is applied in the direction of electric/magnetic solid deformation measurement, measurement device, electromagnetic measurement device, etc., to achieve the effect of improving space-time fineness, enriching three-dimensional deformation information, and improving efficiency

Active Publication Date: 2021-03-05
SHENZHEN UNIV
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a multi-view InSAR seawall high-precision three-dimensional deformation measurement method for the above-mentioned defects of the prior art, aiming at solving the problem of the deformation monitoring method based on radar interferometry technology in the prior art. The problem of obtaining one-dimensional deformation information of seawall

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  • Multi-view InSAR seawall high-precision three-dimensional deformation measurement method

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[0055] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0056] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0057] As the first line of defense against coastal storm surge disasters, the structural safety and defense capabilities of seawall engineering are crucial to ensuring economic development and social stability in coa...

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Abstract

The invention discloses a multi-view InSAR seawall high-precision three-dimensional deformation measurement method. According to the invention, imaging simulation is performed on a seawall structure in a radar satellite image to analyze the visibility of the seawall structure in the radar satellite images at different views so as to effectively improve the radar satellite image collection efficiency, and space-time similarity matching and mutual complementation strategies are carried out by adopting multi-view radar satellite images to improve the space-time fineness of seawall structure deformation measurement and obtain richer seawall high-precision three-dimensional deformation information, so that the problem that a traditional deformation monitoring method based on a radar interferometry technology can only obtain one-dimensional deformation information of the seawall is solved.

Description

technical field [0001] The invention relates to the field of infrastructure precision engineering measurement, in particular to a multi-view InSAR seawall high-precision three-dimensional deformation measurement method. Background technique [0002] Compared with traditional deformation measurement methods, Interferometry Synthetic Aperture Radar (Interferometry Synthetic Aperture Radar) has unique advantages such as low cost of manpower and material resources, high monitoring accuracy, large and continuous spatial coverage, so it has become a rapid monitoring method for the overall continuous deformation of seawall projects. powerful means. However, at present, radar interferometry technology can only monitor the one-dimensional deformation information on the radar line of sight (LOS). In most cases, only the deformation of the one-dimensional radar line of sight cannot reflect the real deformation of the seawall structure. Especially when the deformation mainly occurs in ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/16G01S13/90
CPCG01B7/16G01S13/9023
Inventor 秦晓琼李清泉汪驰升谢林甫廖明生丁晓利张路
Owner SHENZHEN UNIV
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