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反射面天线极化选择栅的设计 被引量:1

Design of Polarization-selective Grids in Reflector Antennas
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摘要 文章介绍了反射面天线极化选择栅的设计方法:首先将金属栅条与介质层去耦,二者独立设计;然后,对极化选择栅全模型采用三维电磁场仿真。该方法物理概念清晰,且只需要对最终模型进行三维电磁仿真,计算量小。最后,设计了一个Ku频段的极化选择栅,仿真与测试结果吻合良好,验证了文章方法的有效性。 An efficient design method of polarization-selective grids in reflector antennas is presented in this paper. First,metal grids and dielectric supporting structure are designed respectively. Then,the whole model of polarization-selective grids are simulated using three-dimensional electromagnetic tools. The concept of this method is clear and the compute quan-tity is small due to mere once full-wave analysis of the last model. At last,the Ku polarization-selective grid is designed and fabricated. Simulated results agree well with measure data which verifies that this method is valid.
出处 《空间电子技术》 2014年第1期47-51,共5页 Space Electronic Technology
关键词 双栅反射面天线 极化选择栅 Dual gridded reflector antenna Polarization-selective grids
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参考文献5

  • 1Ramanujam P, Law P H, White D A. An Adaptable Dual- Gridded Reflector Geometry for Optimum Cross-Polar Per- formance [ J ]. IEEE AP-S Symposium,2002 : 646 - 649.
  • 2Chan K K, H yjazie F. Design of overlapped gridded re- flectors for frequency reuse [ J ]. IEEE AP-S Symposium,1985 : 149 152.
  • 3Howard Luh, Rockwell Hsu, Bryan S Lee. An Analysis of A Dual Gridded Reflector Antenna [ J ]. IEEE AP-S Sym- posium, 1999 : 1128 1131.
  • 4Kentaro Nakamura, Makoto Ando. A Full-Wave Analysis of Offset Reflector Antennas With Polarization Grids [ J ]. IEEE Trans. Antennas Propagat. , 1988 (2) : 164 170.
  • 5Harish Rajagopalan, Amane Miura, Yahya Rahmat-Samii. Equivalent Strip Width for Cylindrical Wire for Mesh Re-flector Antennas : Experiments, Waveguide, and Plane- Wave Simulations [ J ]. IEEE Trans. Antennas Propagat. , 2006 ( 10 ) : 2845 2853.

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