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Moment Method Analysis of a Plane Wave Generator in an Oversized Rectangular Waveguide
Takafumi KAI Jiro HIROKAWA Makoto ANDO
IEICE TRANSACTIONS on Communications
Publication Date: 2007/01/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
millimeter-wave, plane wave generator, oversized rectangular waveguide, moment method, eigenmode,
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This paper presents moment method analysis of a plane wave generator in an oversized rectangular waveguide; its finite size is taken into account. Power divisions of the series of coupling windows and eigenmode excitation coefficients in the oversized waveguide are quantitatively evaluated by the analysis. In order to have a better understanding of array design, the relation between these mode coefficients and the radiation patterns is discussed. Control of the mode coefficients in the oversized waveguide is directly related to the far-field radiation pattern synthesis. These calculated results are verified by measurements in the 61.25 GHz band.