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IEICE TRANSACTIONS on Communications

Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler

Yuki SUNAGUCHI, Takashi TOMURA, Jiro HIROKAWA

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Summary :

This paper details the design of a plate that controls the beam direction in an aperture array excited by a waveguide 2-plane hybrid coupler. The beam direction can be controlled in the range of ±15-32deg. in the quasi H-plane, and ±26-54deg. in the quasi E-plane at the design frequency of 66.425GHz. Inductive irises are introduced into tapered waveguides in the plate and the reflection is suppressed by narrow apertures. A plate that has a larger tilt angle in the quasi E-plane and another plate with conventional rectangular waveguide ports as a reference are fabricated and measured. The measured values agree well with the simulation results.

Publication
IEICE TRANSACTIONS on Communications Vol.E105-B No.8 pp.906-912
Publication Date
2022/08/01
Publicized
2022/02/10
Online ISSN
1745-1345
DOI
10.1587/transcom.2021EBP3143
Type of Manuscript
PAPER
Category
Antennas and Propagation

Authors

Yuki SUNAGUCHI
  Tokyo Institute of Technology
Takashi TOMURA
  Tokyo Institute of Technology
Jiro HIROKAWA
  Tokyo Institute of Technology

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