An optimal layered inhomogeneous background used in microwave tomography system in metallic chamber

Ding Liang; Liu Pei-Guo; He Jian-Guo; Joe LoVetri

doi:10.7498/aps.63.184102

Abstract

An optimal layered inhomogeneous background which can be used in an embedded microwave tomography system is proposed. The method is based on a new evaluation method of integral radiation operator with respect to an configuration and optimal methods such as simulated annealing method. First, the integral radiation operator is calculated using the finite element method. Then, a kind of metric which can be used to evaluate the operator is proposed. The metric contains information about the whole singular value spectrum of a integral radiation operator. A set of synthetic researches is performed to show the correlation between the metric and inversion error. The method can evaluate an integral radiation operator using a number, and it can be used in optimal process easily as the cost function. Simulated annealing method is employed to obtain the permittivity of each layer in the optimal layered inhomogeneous background. Finally, synthetic researches are employed both on simple target and complex target to test the optimal layered inhomogeneous background. The results show that the optimal layered inhomogeneous background can expedite the convergence process and more accurate inversion results can be obtained.

Keywords:

Authors and contacts

1.
School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;
2.
Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, MB R3T 5V6, Canada
Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61372029), and Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20114307110022).

References

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[18]	Zakaria A, LoVetri J 2011 IEEE Trans. Antennas Propag. 59 3495

Cited By

[1]	Meaneya P M, Fanninga M W, Raynoldsa T, Foxa C J, Fang Q, Kogelb C A, Poplackb S P, Paulsena K D 2007 Acad. Radiol. 14 207
[2]	Zakaria A, Baran A, LoVetri J 2012 IEEE Antennas. Wirel. Propag. Lett. 11 1606
[3]	Song L P, Yu C, Liu Q H 2005 IEEE Trans. Geosci. Remote Sens. 43 2793
[4]	Abubakar A, Habashy T M, Druskin V L, Knizhnerman L, Alumbaugh D 2008 Geophysics 73 F165
[5]	Zhu H Y, Shen J Q, Li J 2004 Acta Phys. Sin. 53 947(in Chinese)[朱红毅, 沈建其, 李军 2004 53 947]
[6]	Zhang P, Zhang X J 2013 Acta Phys. Sin. 62 164201(in Chinese)[张鹏, 张晓娟 2013 62 164201]
[7]	Sheen D M, McMakin D L, Hall T E 2001 IEEE Trans. Microw. Theory Tech. 49 1581
[8]	Wang F F, Zhang Y R 2012 Chin. Phys. B 21 050204
[9]	Xiao X, Xu L, Li Q W 2013 Chin. Phys. B 22 094101
[10]	Crocco L, Litman A 2009 Inverse Probl. 25 065001
[11]	Gilmore C, LoVetri J 2008 Inverse Probl. 24 035008
[12]	Williams T C, Sill J M, Fear E C 2008 IEEE Trans. Biomed Eng. 55 1678
[13]	Williams T C, Bourqui J, Cameron T R, Okoniewski M, Fear E C 2011 IEEE Trans. Biomed Eng. 58 1193
[14]	Ding L, Liu P G, He J G, Zakaria A, LoVetri J 2014 Acta Phys. Sin. 63 044102(in Chinese)[丁亮, 刘培国, 何建国, Amer Zakaria, Joe LoVetri 2014 63 044102]
[15]	Zakaria A, Gilmore C, LoVetri J 2010 Inverse Probl. 26 115010
[16]	Xie Z B, Feng J C 2011 Chin. Phys. B 20 050504
[17]	Mojabi P, LoVetri J 2009 IEEE Antennas. Wirel. Propag. Lett. 8 645
[18]	Zakaria A, LoVetri J 2011 IEEE Trans. Antennas Propag. 59 3495

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Catalog

Vol. 63, Issue 18 - 2014-09-20

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