Wavelet-Homotopy Hybrid Algorithm for Inverse Problem of Ground Penetrating Radar

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2009, Vol. 26 ›› Issue (1): 87-93.

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Wavelet-Homotopy Hybrid Algorithm for Inverse Problem of Ground Penetrating Radar

LI Zhuang^1,2, HAN Bo¹, CHEN Yong¹

1. Department of Mathematics, Harbin Institute of Technology, Harbin 150001, China;
2. Deptartment of Computer Science, Qiongzhou Unviversity, Wuzhishan 572200, China

Received:2007-09-17 Revised:2008-01-21 Online:2009-01-25 Published:2009-01-25

Abstract

Abstract: A wavelet-homotopy hybrid inversion algorithm for inverse problem of ground penetrating radar (GPR) is proposed.Wavelet is applied to separate inverse problem into different scales.In the maximum scale,initial value of the next scale is found by a homotopy method.In other scales,iteration process is carried out to obtain the global minimum point.The algorithm takes advantages of wavelet analysis and homotopy inversion method.It shows high capability of global search.

Key words: ground penetrating radar, Maxwell's equation, wavelet, homotopy, hybrid inversion

CLC Number:

P315

LI Zhuang, HAN Bo, CHEN Yong. Wavelet-Homotopy Hybrid Algorithm for Inverse Problem of Ground Penetrating Radar[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2009, 26(1): 87-93.

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Wavelet-Homotopy Hybrid Algorithm for Inverse Problem of Ground Penetrating Radar

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