Shape Reconstruction of Three Dimensional Conducting Objects Using Opposition-Based Differential Evolution

被引:0
作者
Maddahali, Mojtaba [1 ]
Tavakoli, Ahad [1 ]
Dehmollaian, Mojtaba [2 ]
机构
[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran 158754413, Iran
[2] Univ Tehran, Sch Elect & Comp Engn, Tehran 14395515, Iran
来源
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2017年 / 32卷 / 01期
关键词
Inverse scattering; NURBS modeling; opposition-based differential evolution; physical optics approximation; PHYSICAL OPTICS; INVERSE SCATTERING; COMPUTATION; CYLINDERS; SURFACES;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, shape reconstruction of three dimensional conducting objects using radar cross section (RCS) of the scatterer and opposition-based differential evolution is investigated. The shape of the scatterer is modeled with nonuniform rational B-spline (NURBS) surfaces composed of more than one Bezier patches. NURBS are piecewise polynomial with unknown coefficients that are determined in the procedure of shape reconstruction. Opposition-based differential evolution (ODE) is then employed as an optimization tool to find the unknown coefficients. Physical optics approximation is used to predict RCS of the large conducting scatterer in various directions and at multiple frequencies. The effect of noise is also considered in the inverse process.
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页码:93 / 98
页数:6
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