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13 - Electrical and Electronic Engineering, Metallurgy and Materials

Queen's University Belfast

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Article title

94 GHz dual-reflector antenna with reflectarray subreflector

Type

D - Journal article

DOI

10.1109/TAP.2009.2029275

Title of journal

IEEE Transactions on Antennas and Propagation

Article number

Volume number

Issue number

First page of article

3043

ISSN of journal

0018-926X

Year of publication

2009

URL

Number of additional authors

Additional information

For remote sensing applications reflector antennas normally employ motors to mechanically steer the beam. However a new and better engineering approach is described in this paper which shows that the beam can be tilted electronically by patterning the subreflector with an array of self-resonant elements. A new analytical technique is used to design the antenna and the validity of the proposed concept is proved experimentally. Follow on funding has been secured from the European Space Agency to develop the technology in collaboration with the National Physical Laboratory (project manager), using liquid crystal phase shifters integrated into the subreflector.

Interdisciplinary

Cross-referral requested

Research group

A - High Frequency Electronics (HFE)

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract