探地雷达干涉噪声定位方法在输电线路勘察中的应用

doi:10.13474/j.cnki.11-2246.2025.0924

测绘通报 ›› 2025, Vol. 0 ›› Issue (9): 146-151,156.doi: 10.13474/j.cnki.11-2246.2025.0924

探地雷达干涉噪声定位方法在输电线路勘察中的应用

尹晓敏¹, 冉一丁¹, 娄凤强¹, 李晓东², 汤晓先¹, 郭鸣锐¹, 葛峻恺², 王晓龙³, 孙怀凤²

1. 国网山东省电力公司建设公司, 山东济南 250118;
2. 山东大学岩土与结构工程研究院, 山东济南 250061;
3. 山东大学电气工程学院, 山东济南 250061

收稿日期:2025-02-14 发布日期:2025-09-29
通讯作者: 李晓东。E-mail:202315041@mail.sdu.edu.cn
作者简介:尹晓敏(1971—),男,硕士,高级工程师,研究方向为电网规划与前期技术。E-mail:2275456758@qq.com
基金资助:
国网山东省电力公司科技项目(520632240002)

Application of ground penetrating radar interference noise location method in transmission line investigation

YIN Xiaomin¹, RAN Yiding¹, LOU Fengqiang¹, LI Xiaodong², TANG Xiaoxian¹, GUO Mingrui¹, GE Junkai², WANG Xiaolong³, SUN Huaifeng²

1. State Grid Shandong Electric Power Company Construction Company, Jinan 250118, China;
2. Institute of Geotechnical and Underground Engineering, Shandong University, Jinan 250061, China;
3. School of Electrical Engineering, Shandong University, Jinan 250061, China

Received:2025-02-14 Published:2025-09-29

摘要/Abstract

摘要： 探地雷达(GPR)是利用电磁波在介质中的传播和反射获取所调查区域地下信息的设备。在使用探地雷达对输电塔线路进行勘察时,常使用实时动态测量技术(RTK)、皮尺放线和测距轮等方法对勘察到的地下病害进行定位。然而RTK方法操作十分烦琐且代价较高,后两种简单低成本方法在崎岖路面可能精度过低或无法使用。本文提出一种无需进行额外定位操作即可准确定位输电线路中地下病害位置的方法。在探地雷达图像中,由于干涉噪声与地下病害的信号同时出现,因此可以利用低频无屏蔽天线的信号对输电塔在雷达图像中产生的干涉噪声对地下病害进行定位;然后利用基于曲波变换和Stolt偏移的空气波速剔除方法将其去除,得到无干扰的B-scan图像。

关键词: 输电线路勘察, 探地雷达, 定位方法, 曲波变换, Stolt偏移

Abstract: Ground penetrating radar (GPR)uses the propagation and reflection of electromagnetic waves to acquire subsurface information.RTK,tape measure,odometer and other methods are commonly used to locate underground anomalies in the measurement of transmission tower lines by ground penetrating radar.However,RTK is complex and expensive,while other methods may be inaccurate or not usable on rough terrain.This paper presents a method to accurately locate underground anomalies of transmission lines without additional positioning.The interference noise of transmission towers in GPR images can be used to locate underground defects.After the localization is completed,the curvilinear wave transform and Stolt velocity migration method are combined to remove the interference noise,and the noise-free B-scan image is obtained.

Key words: transmission line survey, ground penetrating radar, positioning method, curve-wave transformation, Stolt migration

中图分类号:

P237

尹晓敏, 冉一丁, 娄凤强, 李晓东, 汤晓先, 郭鸣锐, 葛峻恺, 王晓龙, 孙怀凤. 探地雷达干涉噪声定位方法在输电线路勘察中的应用[J]. 测绘通报, 2025, 0(9): 146-151,156.

YIN Xiaomin, RAN Yiding, LOU Fengqiang, LI Xiaodong, TANG Xiaoxian, GUO Mingrui, GE Junkai, WANG Xiaolong, SUN Huaifeng. Application of ground penetrating radar interference noise location method in transmission line investigation[J]. Bulletin of Surveying and Mapping, 2025, 0(9): 146-151,156.

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探地雷达干涉噪声定位方法在输电线路勘察中的应用

Application of ground penetrating radar interference noise location method in transmission line investigation

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