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喀斯特勘察中的电磁波CT成像结果优化处理研究

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文章以层状地层模型为例,得到溶洞模型的电磁波CT正演模拟数据,采用水平测线值的网格初始模型进行迭代反演,将反演成像结果与原始模型进行对比分析,对比数据标准化后的异常显示情况.结果表明,min/2-max标准化后异常区边界清晰,与模型吻合较好.将min/2-max标准化应用于项目中,无论是小溶洞还是大溶洞都能取得较好的探测效果,提高了异常解译的准确度.
Study on the Optimization of Electromagnetic Wave CT Imaging Results in Karst Exploration
In this paper,taking the layered stratum model as an example,the electromagnetic wave CT forward simulation data of the karst cave model are obtained.The initial grid model of the horizontal line value is used for iterative inversion.The inversion imaging results are compared with the original model,and the abnormal display after data standardization is compared.The results show that the boundary of the anomaly area is clear after min/2-max standardization,which is in good agreement with the model.The application of min/2-max standardization in the project can achieve better detection results in both small karst caves and large karst caves,and improve the accuracy of anomaly interpretation.

karstelectromagnetic wave CThorizontal line valuestandardization of min/2-max

彭耀、刘基强、左其平

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湖北省地质局武汉水文地质工程地质大队,湖北武汉 430051

资源与生态环境地质湖北省重点实验室,湖北武汉 430034

喀斯特 电磁波CT 水平测线值 min/2-max标准化

湖北省地质局武汉水文地质工程地质大队科研项目

WSKJ-2022-07

2024

工程技术研究
广州钢铁企业集团有限公司

工程技术研究

影响因子:0.081
ISSN:2096-2789
年,卷(期):2024.9(7)
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