Leaky-Wave Antennas with Low Sidelobes Based on Stub-Loaded Ridge-Rectangular Waveguides

Mikio TSUJI  Taiji HARADA  Hiroyuki DEGUCHI  Hiroshi SHIGESAWA  

IEICE TRANSACTIONS on Communications   Vol.E89-B    No.2    pp.564-569
Publication Date: 2006/02/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.2.564
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
leaky-wave antenna,  ridge waveguide,  frequency scanning,  Taylor distribution,  

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We present a design procedure of a leaky-wave antenna with low sidelobes based on the stub-loaded ridge-rectangular waveguide. As a typical example, we desig the antenna with the Taylor distribution of -30 dB sidelobes and fabricated it. The agreement between the measured and the numerical results validate the proposed antenna.