基于支持向量回归的一维频率域航空电磁反演

姚禹,张志厚,石泽玉,刘鹏飞,赵思为,张天一,赵明浩

Airborne electromagnetic inversion in one-dimensional frequency-domain based on support vector regression

Yu YAO,Zhi-hou ZHANG,Ze-yu SHI,Peng-fei LIU,Si-wei ZHAO,Tian-yi ZHANG,Ming-hao ZHAO

表 2 2层模型5组数据不同方法的反演结果对比

Tab.2 Comparison of inversion results of five sets of data for two-layered model with different methods

样本 序号 理论值 S-SVR M-SVR MLS-SVR $ \mathop \rho \nolimits_1 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop \rho \nolimits_2 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop h\nolimits_1 $/m $ \mathop \rho \nolimits_1 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop \rho \nolimits_2 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop h\nolimits_1 $/m $ \mathop \rho \nolimits_1 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop \rho \nolimits_2 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop h\nolimits_1 $/m $ \mathop \rho \nolimits_1 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop \rho \nolimits_2 $/ $(\Omega \cdot {\text{m)}}$ $ \mathop h\nolimits_1 $/m 1 450 800 120 443.59 733.92 127.25 435.77 763.59 114.64 437.50 766.28 116.56 2 700 300 90 712.68 323.52 84.25 721.26 313.92 86.42 719.74 311.50 84.96 3 300 850 135 307.43 780.45 126.34 315.78 806.77 130.26 312.91 815.14 129.35 4 800 450 75 814.91 410.32 70.02 773.95 429.66 73.33 778.90 433.25 72.59 5 550 750 45 540.66 697.64 40.30 532.74 725.71 43.66 535.42 727.57 44.01