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Landslide hazard identification method based on synthetic aperture radar interferometry

A technology of synthetic aperture radar and interferometry, which is applied in the directions of measuring devices, radio wave measurement systems, radio wave reflection/reradiation, etc., can solve the problems of low identification and analysis efficiency of landslide disaster hidden dangers, unclear application, etc., and achieve improvement Data processing and analysis efficiency, method process improvement, and the effect of improving design accuracy

Pending Publication Date: 2020-06-09
LANZHOU UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the application of synthetic aperture radar interferometry technology in the prior art is not clear, and the identification and analysis efficiency of landslide disaster hidden dangers is too low, etc.

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  • Landslide hazard identification method based on synthetic aperture radar interferometry

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0020] combined with figure 1 , the present invention is described in detail.

[0021] The present invention provides a method for identifying hidden dangers of landslide hazards based on synthetic aperture radar interferometry during specific implementation.

[0022] The method described is as follows:

[0023] Step 1: Landslide disaster investigation: The main investigation content includes regional geological structure, stratum lithology, topography, land cover type, and distribution of geological hazards. The distribution of geological hazards and the background of geological environment serve the preliminary identification of deformation bodies in data processing and analysis And verification, topography and geomorphology serve the feasibility analysis in the application process of synthetic aperture radar data, and the type of land cover is used to pr...

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Abstract

The invention discloses a landslide disaster hidden danger identification method based on synthetic aperture radar interferometry. The method comprises steps of step 1, surveying a landslide disaster;2, querying synthetic aperture radar data; 3, analyzing feasibility of interferometry of a synthetic aperture radar; 4, optimizing the synthetic aperture radar interferometry technology; 5, early identification of landslide hazard hidden troubles; 6, evaluating activity and strength of regional landslide; and 7, analyzing a landslide deformation mode. The method is advantaged in that steps and the adopted method for identifying the potential landslide hazard hidden danger in the area by utilizing the synthetic aperture radar interferometry technology are standardized, and landslide survey efficiency and prevention and control engineering design accuracy can be effectively improved by the landslide deformation mode analysis result; the process of the method for carrying out landslide hazard identification by using the synthetic aperture radar interferometry technology is more complete.

Description

technical field [0001] The invention relates to a method for identifying hidden dangers of landslide disasters, in particular to a method for identifying hidden dangers of landslide disasters based on synthetic aperture radar interferometry. Background technique [0002] Synthetic aperture radar interferometry technology, as an effective technology for surface deformation monitoring and regional-scale landslide disaster monitoring and identification, has become an indispensable method and means for landslide hazard identification. The final data selection, method flow and data analysis method are not very clear, and a large number of relevant staff use this technology to identify and analyze the hidden dangers of landslide hazards, and the efficiency is too low. Therefore, a landslide hazard identification method system based on synthetic aperture radar interferometry that improves the work efficiency and economic benefits of landslide hazard identification has become an urg...

Claims

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Application Information

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IPC IPC(8): G01S13/90
CPCG01S13/90G01S13/9023
Inventor 张毅孟兴民陈冠曾润强李亚军岳东霞
Owner LANZHOU UNIVERSITY
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