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文章简要介绍了地质雷达的方法原理，并分析了雷达在水电工程质量检测中常见的几种异常机理及特征。文章通过工程实例，重点介绍了雷达技术在灌浆检测、洞穴勘探、水库大坝隐患调查、岩体完整性评价以及古河床探测等方面的应用。
This paper briefly introduces the principle of GPR and analyzes some common anomalies and characteristics of radar in the quality inspection of hydropower projects. Through engineering examples, the article mainly introduces the application of radar technology in grouting test, cave exploration, reservoir dam hidden fault investigation, rock mass integrity evaluation and ancient river bed detection.