时域多分辨率法在探地雷达三维正演模拟中的应用
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Release time:2020-08-09 DOI number:10.3969/j.issn.1672-7207.2007.05.032 Affiliation of Author(s):中南大学地球科学与信息物理学院 Teaching and Research Group:中南大学应用地球物理系 Journal:中南大学学报（自然科学版） Place of Publication:中国 Funded by:2006BAC07B00-2；2007FJ4055 Key Words:探地雷达; 时域多分辨法; 三维正演模拟; DB2小波基 Abstract:应用小波伽略金方法,对Maxwell的2个旋度方程进行离散化,导出DB2-MRTD算法的探地雷达3D差分公式,数值稳定性条件.在此基础上,开发探地雷达MRTD法正演模拟程序.所开发的对三维立方体小空洞体模型进行正演模拟.研究结果表明:采用该程序极大地提高了运算速度,改善了三维探地雷达正演方法;相应的正演合成三维剖视图及切片图指示了立方体小空洞体的雷达波空间的三维响应特征;模拟结果表明,采用时域多分辨率法可提高探地雷达探测的可靠性,准确度. Co-author:瓮晶波, 戴前伟 First Author:冯德山 Indexed by:Applied Research Document Code:1672-7207(2007)05-0975-06 Discipline:地质资源与地质工程 Document Type:J Volume:38 Issue:5 Page Number:901~906 ISSN No.:1672-7207 Translation or Not:no CN No.:43-1426/N Date of Publication:2007-10-26 Included Journals:EI -
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