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E-plane analysis of a modified horn antenna with suppressed far-out sidelobe level | IEEE Journals & Magazine | IEEE Xplore

E-plane analysis of a modified horn antenna with suppressed far-out sidelobe level


Abstract:

It is shown that the far-out sidelobes of a horn antenna can be suppressed by curving the edges in the aperture. A three-dimensional uniform geometrical theory of diffrac...Show More

Abstract:

It is shown that the far-out sidelobes of a horn antenna can be suppressed by curving the edges in the aperture. A three-dimensional uniform geometrical theory of diffraction (UTD) analysis of the E-plane radiation pattern of the modified horn antenna was performed and compared with straight edges. This analysis indicates that the curvature of the edges does indeed influence the sidelobes to the effect that the modified horn antenna has significantly lower far-out sidelobes. The radiation patterns for modified horns were measured and compared with the calculated patterns and were found to be in good agreement.<>
Published in: IEEE Transactions on Antennas and Propagation ( Volume: 40, Issue: 6, June 1992)
Page(s): 620 - 627
Date of Publication: 06 August 2002

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