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Wave Analysis of the Aperture Field Distribution in Probe-Fed Radial Line Planar Antennas
Nobuyasu TAKEMURA Hiroaki MIYASHITA Shigeru MAKINO
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.9
pp.2580-2587 Publication Date: 2006/09/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.9.2580 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: array antennas, radial line, probe, post, mutual coupling, aperture field distribution, radial line planar antennas, wave analysis,
Full Text: PDF(649.6KB)>>
Summary:
We propose a wave analysis method for probe-fed Radial Line Planar Antennas (RLPAs) which yields an approximate solution for the aperture field distribution and scattering by loaded probes. Damping of electric power in the radial line due to radiation by antenna elements is included. The method can accommodate the effect of all conductors, including the terminating wall, by introducing the concept of equivalent posts. We have found good correspondence between the measured and calculated values of the aperture field distribution. The proposed method is effective for general geometries of probe-fed RLPAs.
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