DESIGN AND SIMULATION OF CIRCULAR ARRAYS OF TRAPEZOIDAL-TOOTH LOG-PERIODIC ANTENNAS VIA GENETIC OPTIMIZATION

被引:28
作者
Guerel, L. [1 ,2 ]
Erguel, Oe [1 ,2 ]
机构
[1] Bilkent Univ, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey
[2] Bilkent Univ, Computat Electromagnet Res Ctr BiLCEM, TR-06800 Ankara, Turkey
关键词
D O I
10.2528/PIER08081809
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
Circular arrays of log-periodic (LP) antennas are designed and their operational properties are investigated in a sophisticated simulation environment that is based on the recent advances in computational electromagnetics. Due to the complicated structures of the trapezoidal-tooth array elements and the overall array configuration, their analytical treatments are prohibitively difficult. Therefore, the simulation results presented in this paper are essential for their analysis and design. We present the design of a three-element LP array showing broadband characteristics. The directive gain is stabilized in the operation band using optimization by genetic algorithms. We demonstrate that the optimization procedure can also be used to provide beam-steering ability to LP arrays.
引用
收藏
页码:243 / 260
页数:18
相关论文
共 46 条
[11]  
DUHAMEL RH, 1958, IRE INT CONV RECOR 1, P139
[12]   Modeling and synthesis of circular-sectoral arrays of log-periodic antennas using multilevel fast multipole algorithm and genetic algorithms [J].
Erguel, Oezguer ;
Guerel, Levent .
RADIO SCIENCE, 2007, 42 (03)
[13]   Nonplanar trapezoidal tooth log-periodic antennas:: Design and electromagnetic modeling -: art. no. RS5010 [J].
Ergül, Ö ;
Gürel, L .
RADIO SCIENCE, 2005, 40 (05) :1-14
[14]  
ERGUL O, 2003, P IEEE ANT PROP SOC, V1, P245
[15]   An independently fed log-periodic antenna for directed pulsed radiation [J].
Excell, PS ;
Tinniswood, AD ;
Clarke, RW .
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, 1999, 41 (04) :344-349
[16]   Pareto genetic algorithm based optimization of log-periodic monopole arrays mounted on realistic platforms [J].
Fisher, SE ;
Weile, DS ;
Michielssen, E ;
Woody, W .
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, 1999, 13 (05) :571-598
[17]  
Gheethan A.A., 2008, PIERS ONLINE, V4, P811, DOI DOI 10.2529/PIERS071220141433
[18]   SIMPLE AND EFFICIENT NUMERICAL-METHODS FOR PROBLEMS OF ELECTROMAGNETIC-RADIATION AND SCATTERING FROM SURFACES [J].
GLISSON, AW ;
WILTON, DR .
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 1980, 28 (05) :593-603
[19]  
GONG ZL, 1986, IEEE T ANTENN PROPAG, V34, P1404, DOI 10.1109/TAP.1986.1143776