High Efficiency Short Backfire Antenna Using Electromagnetically Hard Walls

被引:14
|
作者
Bray, Matthew G. [1 ]
Lier, Erik [1 ]
机构
[1] Lockheed Martin Space Syst, Newtown, PA 18940 USA
来源
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2015年 / 14卷
关键词
Hard electromagnetic surface; multiobjective genetic algorithm; short backfire antenna; strip-loaded wall;
D O I
10.1109/LAWP.2015.2414301
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
This letter presents a high efficiency short backfire antenna (SBFA) using electromagnetically hard walls. A hard surface composed of low permittivity dielectric liner with longitudinal metal surface strips is affixed to the inside walls of a conventional SBFA's main reflector. The hard-walled SBFA was optimized to operate at L1 and L2 GPS bands with circular polarization using an R2 indicator based evolutionary multiobjective algorithm. A hard-walled SBFA with 2 lambda aperture diameter at L1 achieved 90% and 98% aperture efficiency at L1 and L2, respectively. Also the antenna exhibited more than 90% aperture efficiency over 16% bandwidth around L1. Compared to a conventional SBFA with the same aperture diameter the new antenna achieves 1.25 dB higher directivity at L1 and 0.76 dB at L2, as well as improved cross-polarization due to a more uniform aperture distribution.
引用
收藏
页码:1614 / 1617
页数:4
相关论文
共 50 条
  • [21] SHORT BACKFIRE ANTENNA FAR-FIELD RADIATION PATTERN
    PATEL, DC
    INTERNATIONAL JOURNAL OF ELECTRONICS, 1971, 30 (02) : 185 - &
  • [22] SHORT-BACKFIRE ANTENNA WITH CIRCULAR WAVEGUIDE FEED ELEMENT
    KOMISARCZUK, J
    MAROUGI, SD
    INTERNATIONAL JOURNAL OF ELECTRONICS, 1983, 55 (04) : 669 - 673
  • [23] RADIATION CHARACTERISTICS OF SHORT BACKFIRE ANTENNA APPLICABLE TO MOBILE COMMUNICATIONS
    TAKEUCHI, K
    YASUNAGA, M
    SHIOKAWA, T
    IEICE TRANSACTIONS ON COMMUNICATIONS ELECTRONICS INFORMATION AND SYSTEMS, 1991, 74 (10): : 3253 - 3260
  • [24] A hybrid method for analysis of radiation characteristics of short backfire antenna
    Zeng, QS
    1997 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS, VOLS I-III, 1997, : 1201 - 1204
  • [25] Metallic short backfire antenna with halved size and wideband characteristics
    Liu, Longsheng
    Wang, Han
    Li, Yue
    Zhang, Zhijun
    Feng, Zhenghe
    ELECTRONICS LETTERS, 2014, 50 (13) : 907 - +
  • [26] Modified Short Backfire Antenna for Antennas-on-Package Applications
    Cheng, Jyun-Yuan
    Lai, Chien-Pai
    Hung, Wan-Ting
    Chen, Shih-Yuan
    2014 IEEE INTERNATIONAL WORKSHOP ON ELECTROMAGNETICS (IEEE IWEM): APPLICATIONS AND STUDENT INNOVATION COMPETITION, 2014, : 157 - 158
  • [27] PERFORMANCE OF SHORT-BACKFIRE ANTENNA WITH DIFFERENT EXCITATION SOURCES
    KISHK, AA
    SHAFAI, L
    INTERNATIONAL JOURNAL OF ELECTRONICS, 1987, 63 (06) : 825 - 832
  • [28] DIPOLE-EXCITED SHORT BACKFIRE ANTENNA WITH CORRUGATED RIM
    KOOI, PS
    LEONG, MS
    YEO, TS
    ELECTRONICS LETTERS, 1979, 15 (14) : 421 - 423
  • [29] Waveguide Fed Broadband Millimeter Wave Short Backfire Antenna
    Qu, Shi-Wei
    Kung Bo Ng
    Chan, Chi Hou
    IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2013, 61 (04) : 1697 - 1703
  • [30] Dual-Band Advanced Short Backfire Antenna With 100% Aperture Efficiency Over a Wide Range of Diameters
    Binion, J. Daniel
    Mussman, Colin A.
    Lier, Erik
    Hand, Thomas H.
    Werner, Douglas H.
    IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2022, 70 (09) : 7786 - 7797