平面电磁波法探测浅层局部良导体的响应特征

马宏伟, 刘海波, 刘鹏飞, 刘晓宇, 颜拓疆, 龙霞

Response characteristics of shallow good local conductors using the plane electromagnetic wave method

MA Hong-Wei, LIU Hai-Bo, LIU Peng-Fei, LIU Xiao-Yu, YAN Tuo-Jiang, LONG Xia

表3 模型参数及响应异常最大值(目标体尺寸变化)

Table 3 Model parameters and the maximum anomaly (target size varies)

参数 S/m W/m H/m D/m L/m ρ1/(Ω·m) ρ0/(Ω·m) Max(${\delta }_{{\rho }_{xy}}$)/% Max(${\delta }_{{\phi }_{xy}}$)/% H变化 80 80 20 80 20 10 100 15 5 80 80 40 80 20 10 100 19 6 80 80 80 80 20 10 100 23 7 80 80 160 80 20 10 100 25 7 80 80 320 80 20 10 100 25 7 S变化 20 20 20 20 20 10 100 20 7 40 20 20 20 20 10 100 28 10 80 20 20 20 20 10 100 34 12 160 20 20 20 20 10 100 37 13 320 20 20 20 20 10 100 37 13 W变化 20 20 20 20 20 10 100 20 7 20 40 20 20 20 10 100 40 16 20 80 20 20 20 10 100 52 24 20 160 20 20 20 10 100 44 24 20 320 20 20 20 10 100 44 24 S/W=1 10 10 20 20 20 10 100 5 2 20 20 20 20 20 10 100 20 8 40 40 20 20 20 10 100 53 21 80 80 20 20 20 10 100 84 45