Acta Physica Sinica, Volume. 68, Issue 19, 199101-1(2019)
Fig. 1. Comparison between typical time traces of a wave propagating in a multiple scattering medium before and after a small perturbation: (a) The first arrival waves before and after a small perturbation; (b) the coda waves before and after a small perturbation.多散射介质中扰动前后波形的比较 (a) 直达波扰动前后的波形; (b)尾波扰动前后的波形
Fig. 2. Examples of sensitivity kernel based on the diffusion approximation in 2-D: (a) Spatial representation of the sensitivity kernel when
Fig. 3. 2-D velocity field model.二维速度场模型
Fig. 4. Layout of the source and receivers.激励源及接收点布设
Fig. 5. Case 1: (a) Inversion image of linear least squares method; (b) inversion image of the method in this paper.算例1 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
Fig. 6. Case 2: (a) Inversion image of linear least squares method; (b) inversion image of the method in this paper.算例2 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
Fig. 7. The results of experimental data processing: (a) Inversion image of linear least squares method; (b)inversion image of the method in this paper.实验数据处理结果 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
Fig. 8. Case 3: (a) Inversion image of linear least squares method; (b) inversion image of the method in this paper.算例3 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
Fig. 9. Case 4: (a) Inversion image of linear least squares method; (b) inversion image of the method in this paper.算例4 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
Fig. 10. Case 5: (a) Inversion image of linear least squares method; (b) inversion image of the method in this paper.算例5 (a) 线性最小二乘法的反演图像; (b) 本文方法的反演图像
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Tao Zhang, Hong Hou, Ming Bao.
Received: May. 28, 2019
Accepted: --
Published Online: Sep. 16, 2020
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