First-order aberrations on generalized classical axially-symmetric dual-reflector antennas

被引：0

作者：

Moreira, FJS ^{[1
]}

机构：

[1] Univ Fed Minas Gerais, Dept Elect Engn, BR-30161 Belo Horizonte, MG, Brazil

来源：

IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, VOLS 1-4: TRANSMITTING WAVES OF PROGRESS TO THE NEXT MILLENNIUM | 2000年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work presents a first-order treatment of aberrations caused by small feed displacements in classical axially-symmetric dual-reflector antennas. A general and closed-form analysis (based on geometrical optics principles) of the aberrated aperture field is derived in terms of the reflector geometry and feed illumination. The consequences to the aperture efficiency and main-beam tilt are illustrated for axially-displaced-ellipse configurations.

引用

页码：826 / 829

页数：4

共 33 条

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