NDLI: Microwave imaging for arbitrary cross section conducting cylinder excited by UWB pulse

Content Provider	IEEE Xplore Digital Library
Author	Zhong XuanMing Liao Cheng Chen Wei Yang ZhouBing Liao Yong Meng FanBao
Copyright Year	2005
Description	Author affiliation: Inst. of Electromagn., Southwest Jiaotong Univ., Chengdu, China (Zhong XuanMing; Liao Cheng; Chen Wei)
Abstract	The paper presents a microwave imaging approach based on the time-domain and real-coded genetic algorithm (RGA) for a 2D perfectly conducting cylinder with arbitrary cross section in free space. The Gauss pulse is used as an ultrawideband (UWB) wave source. The unknown object is denoted by a shape function which is approximated by trigonometric series. The scattering problem is solved using FDTD technique. The inverse problem is turned into a restrained optimization problem. The coefficients of the trigonometric series are the variables to be optimized. The relative error between the measured scattered electric field changing with time and the simulated one is the object function to be minimized. Numerical examples are given to demonstrate the performance of this method.
File Size	204482
File Format	PDF
ISBN	078039433X
DOI	10.1109/APMC.2005.1606647
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-04
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave imaging Time domain analysis Scattering Genetic algorithms Gaussian processes Ultra wideband technology Shape Finite difference methods Inverse problems Electric variables measurement UWB microwave imaging RGA FDTD inverse scattering
Content Type	Text
Resource Type	Article

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