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Digital remote sensing geological surveying and mapping method and system

A geological and remote sensing technology, applied in the field of digital remote sensing geological surveying and mapping, can solve the problems of lack of targeted evaluation

Inactive Publication Date: 2020-02-21
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0027] The existing geological environment assessment methods are mainly aimed at the comprehensive evaluation of large-scale and multi-type, but lack of specific evaluation for a certain one; in terms of index selection, the selection of existing geological environment evaluation indicators is aimed at regional multi-type comprehensive evaluation, but For a single evaluation, the index system should be more targeted and scientific

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  • Digital remote sensing geological surveying and mapping method and system
  • Digital remote sensing geological surveying and mapping method and system
  • Digital remote sensing geological surveying and mapping method and system

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Experimental program
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Embodiment 1

[0117] The digital remote sensing geological surveying and mapping method provided by the invention comprises figure 1 method, the difference is that, as image 3 Shown, geological modeling module 5 modeling methods provided by the present invention are as follows:

[0118] S201, data analysis, import, and point set generation. If there is a measurement raw data point file, the file can be imported into GOCAD in text format. When there is no measurement original data point file, the contour line can be extracted from the topographic map, and the AUTOCAD drawing can be saved in DXF format, and the DXF file can be imported into GOCAD.

[0119] S202. Establish a structural terrain surface. According to the point set generated in step S201, use the Surfacecreation function in GOCAD to generate a terrain surface. If the nodes on the generated point surface do not coincide with the control points, you need to perform geometric adaptation, and then use hideconstraints to hide unne...

Embodiment 2

[0126] The digital remote sensing geological surveying and mapping method provided by the invention comprises figure 1 method, the difference is that, as Figure 4 As shown, the evaluation method of geological environment evaluation module 6 provided by the present invention is as follows:

[0127] S301, establishing a hierarchical structure model for geological environment assessment. The layered structure model of geological environment assessment includes three layers, which are target layer, criterion layer and factor layer. The target of the target layer is the geological environment evaluation grade. The criterion layer is a plurality of units corresponding to the target, which are the geological environment background unit, the basic profile unit and the geological environment problem unit. Each of the units includes a plurality of evaluation indicators. All of the evaluation indicators make up the factor layer.

[0128] S302. Construct an evaluation index judgment...

Embodiment 3

[0134] The digital remote sensing geological surveying and mapping method provided by the present invention comprises the method of embodiment 2, and the difference is that,

[0135] The principles for establishing the layered structure model for geological environment evaluation provided by the present invention include the principles of scientificity, representativeness, simplicity, comprehensiveness, objectivity, and qualitative and quantitative analysis of the geological environment.

[0136] The evaluation index judgment matrix for constructing each described unit provided by the present invention specifically includes:

[0137] According to the 1-9 scale method, calculate the importance ratio of any two evaluation indicators in each unit.

[0138] According to the importance ratio, a preliminary judgment matrix is ​​determined.

[0139] Perform normalization processing on the preliminary judgment matrix to obtain an evaluation index judgment matrix for each of the units...

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Abstract

The invention belongs to the technical field of digital remote sensing geological surveying and mapping, and discloses a digital remote sensing geological surveying and mapping method and system, andthe system comprises a geological remote sensing image collection module, a main control module, a geological drawing module, a surveying and mapping correction module, a geological modeling module, ageological environment evaluation module, a cloud storage module, and a display module. Fitting and interpolation are carried out by using discrete geological exploration data measured in the field through the geological modeling module, a three-dimensional geological model of information such as terrain, stratum boundaries and attributes simulated in proportion is established, and geological structure information is specifically reflected through three-dimensional visualization. Meanwhile, mathematical description is carried out on objective uncertainty of the evaluation indexes by utilizingan information entropy technology through a geological environment evaluation module, and the geological environment evaluation module and the evaluation indexes are reasonably coupled to construct an evaluation index weight system tending to be more reasonable, accurate and comprehensive.

Description

technical field [0001] The invention belongs to the technical field of digital remote sensing geological surveying and mapping, in particular to a digital remote sensing geological surveying and mapping method and system. Background technique [0002] Geological surveying and mapping is the general term for all surveying and mapping work involved in geological surveys, mineral exploration and the compilation of results maps. Mainly include geological point measurement, geological profile measurement, physical and chemical detection, mining area control measurement, mining area topographic measurement, exploration network layout measurement, exploration engineering positioning measurement, pit exploration engineering measurement, well exploration engineering measurement, penetration measurement, open pit measurement, surface Mobile observation and the drawing and printing of related maps and the establishment of geological and mineral information systems. However, the existi...

Claims

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Application Information

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IPC IPC(8): G06T17/05
CPCG06T17/05G06T2207/10032G06T2207/10044
Inventor 廖丽君王建雄张辅霞李建华
Owner YUNNAN AGRICULTURAL UNIVERSITY