基于两步变异差分进化算法的激电测深一维反演

丁志军, 罗维斌, 连伟章, 张星, 何海颦

One-dimensional inversion of induced polarization sounding data based on the differential evolution algorithm with two-step mutation

DING Zhi-Jun, LUO Wei-Bin, LIAN Wei-Zhang, ZHANG Xing, HE Hai-Pin

表2 KH型地电模型参数及反演结果

Table 2 Parameters and inversion results of KH-type earth resistivity model

模型参数 真值 取值范围 反演次数 均值 误差/% 1 2 3 4 5 ρ1/(Ω·m) 120 [10,300] 119.52 120.24 120.39 120.48 120.47 120.22 0.18 ρ2/(Ω·m) 560 [100,800] 557.21 557.26 559.88 559.71 557.59 558.33 -0.30 ρ3/(Ω·m) 25 [10,100] 26.04 26.85 26.10 24.37 24.32 25.53 2.14 ρ4/(Ω·m) 310 [50,500] 310.58 306.77 303.68 304.13 310.54 307.14 -0.92 d1/m 110 [50,300] 110.00 110.00 110.04 110.00 110.00 110.01 0.01 d2/m 120 [50,300] 120.00 119.98 119.20 119.98 120.02 119.83 -0.14 d3/m 150 [50,300] 150.03 150.29 160.59 150.31 149.68 152.18 1.45 η1/m 0.6 [0.2,1] 1.00 0.40 0.28 0.20 0.21 0.42 -0.18 η2/m 0.3 [0.1,0.8] 0.80 0.80 0.65 0.36 0.72 0.67 0.37 η3/m 9.5 [3,12] 5.76 3.00 11.59 11.95 11.80 8.82 -0.68 η4/m 1 [0.8,3.5] 0.81 2.03 3.08 2.88 0.82 1.93 0.93