三维步进频率探地雷达在沥青层厚度检测中的应用 |
| 许泽善, 周江涛, 刘四新, 曾贤德 |
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The realization of applying 3D frequency stepped ground penetrating to the detection of asphalt layer thickness |
| Ze-Shan XU, Jiang-Tao ZHOU, Si-Xin LIU, Xian-De ZENG |
| 图4 沥青层上下界面反射 |
| Fig.4 Asphalt layer upper and lower interface reflection |
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