A Lightweight Radial Line Slot Antenna with Honeycomb Structure for Space Use

DOI Web Site 被引用文献9件 参考文献14件
  • UEDA Hideki
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology The Institute of Electronics, Information and Communication Engineers
  • HIROKAWA Jiro
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology The Institute of Electronics, Information and Communication Engineers
  • ANDO Makoto
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology The Institute of Electronics, Information and Communication Engineers
  • AMANO Osamu
    Space Engineering Division, NEC/TOSHIBA Space Systems, Ltd. The Institute of Electronics, Information and Communication Engineers
  • KAMATA Yukio
    Institute of Space and Astronautical Science of JAXA The Institute of Electronics, Information and Communication Engineers

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説明

A lightweight and high gain planar antenna for space use is realized with radial waveguide slotted array and honeycomb structure with the weight of 1.16kg and the diameter of 920.5mm. The slot coupling is analyzed by method of moments considering the hybrid mode in the multi-layer waveguide structure. The propagation constant of the honeycomb structure is measured and the low-loss property is obtained at the frequency range of 8GHz. The fabricated RLSA is measured and the reflection is around -10dB in 8GHz band. The measured aperture fields agree with the calculation in the radial direction. In the azimuthal direction, on the other hand, the fields show ripples of 6dB and 60 degree. The gain of 35.9dBi with the efficiency of 58.7% is obtained at 8.6GHz.

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