TE Solutions of an Integral Equations Method for Electromagnetic Scattering From a 2-D Cavity

被引:20
作者
Howe, Eric [1 ]
Wood, Aihua [1 ]
机构
[1] USAF, Inst Technol, AFIT ENC, WPAFB, Wright Patterson AFB, OH 45433 USA
来源
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2003年 / 2卷
关键词
Integral equations; moment methods; scattering; two-dimensional (2-D) cavity;
D O I
10.1109/LAWP.2003.814770
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 letter, we implement a set of scalar integral equations that govern the electromagnetic scattering from a two-dimensional cavity embedded in an infinite, perfectly conducting ground plane. The cavity may be empty or filled with a dielectric material. We solve the equations via the method of moments for an incident plane wave in TE polarization and compute the monostatic echo width. We give an error estimate of the method and compare our results with those found by a published integral equation solver and a finite-element method scheme.
引用
收藏
页码:93 / 96
页数:4
相关论文
共 14 条
[1]  
Ammari H, 2000, MATH METHOD APPL SCI, V23, P1057, DOI 10.1002/1099-1476(200008)23:12<1057::AID-MMA151>3.0.CO
[2]  
2-6
[3]   2 RAY SHOOTING METHODS FOR COMPUTING THE EM SCATTERING BY LARGE OPEN-ENDED CAVITIES [J].
BURKHOLDER, RJ ;
CHOU, RC ;
PATHAK, PH .
COMPUTER PHYSICS COMMUNICATIONS, 1991, 68 (1-3) :353-365
[4]  
CLARY RL, 1995, RAM2D 2 DIMENSIONAL
[5]   BACKSCATTER RCS FOR TE AND TM EXCITATIONS OF DIELECTRIC-FILLED CAVITY-BACKED APERTURES IN 2-DIMENSIONAL BODIES [J].
GOGGANS, PM ;
SHUMPERT, TH .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1991, 39 (08) :1224-1227
[6]   LOW-FREQUENCY SCATTERING FROM 2-DIMENSIONAL PERFECT CONDUCTORS [J].
HANSEN, TB ;
YAGHJIAN, AD .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1992, 40 (11) :1389-1402
[7]   SCATTERING FROM A CAVITY-BACKED SLIT IN A GROUND PLANE - TM CASE [J].
JENG, SK ;
TZENG, ST .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1991, 39 (05) :661-663
[8]  
JENG SK, 1990, IEEE T ANTENN PROPAG, V38, P1523
[9]   SHOOTING AND BOUNCING RAYS - CALCULATING THE RCS OF AN ARBITRARILY SHAPED CAVITY [J].
LING, H ;
CHOU, RC ;
LEE, SW .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1989, 37 (02) :194-205
[10]   A HYBRID-ITERATIVE METHOD FOR SCATTERING PROBLEMS [J].
MURTHY, PK ;
HILL, KC ;
THIELE, GA .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1986, 34 (10) :1173-1180