简要介绍了地球物理反演中图像重建方法的基本原理、SIRT算法的原理和实现步骤,在现有地震层析成像的方法上研究堤防层析成像。本研究利用MATLAB软件进行了堤防地震层析成像的数值模拟,并分析程序的反演效果,并做了实际工程验证。结果表...简要介绍了地球物理反演中图像重建方法的基本原理、SIRT算法的原理和实现步骤,在现有地震层析成像的方法上研究堤防层析成像。本研究利用MATLAB软件进行了堤防地震层析成像的数值模拟,并分析程序的反演效果,并做了实际工程验证。结果表明SIRT算法取得了良好的反演效果,验证了地震层析成像探测堤防隐患的可行性。This paper briefly introduces the basic principle of image reconstruction method in geophysical inversion, the principle and implementation steps of SIRT algorithm, and studies levee tomography based on the existing seismic tomography methods. In this paper, the numerical simulation of seismic tomography of dike is carried out with MATLAB software, and the inversion effect of the program is analyzed, and the practical engineering verification is done. The results show that the SIRT algorithm has obtained a good inversion effect and verified the feasibility of seismic tomography to detect hidden dangers of levees.展开更多
文摘简要介绍了地球物理反演中图像重建方法的基本原理、SIRT算法的原理和实现步骤,在现有地震层析成像的方法上研究堤防层析成像。本研究利用MATLAB软件进行了堤防地震层析成像的数值模拟,并分析程序的反演效果,并做了实际工程验证。结果表明SIRT算法取得了良好的反演效果,验证了地震层析成像探测堤防隐患的可行性。This paper briefly introduces the basic principle of image reconstruction method in geophysical inversion, the principle and implementation steps of SIRT algorithm, and studies levee tomography based on the existing seismic tomography methods. In this paper, the numerical simulation of seismic tomography of dike is carried out with MATLAB software, and the inversion effect of the program is analyzed, and the practical engineering verification is done. The results show that the SIRT algorithm has obtained a good inversion effect and verified the feasibility of seismic tomography to detect hidden dangers of levees.