Planar Phased Array With Wide-Angle Scanning Performance Based on Image Theory
- 18 June 2015
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 63 (9), 3908-3917
- https://doi.org/10.1109/tap.2015.2446999
Abstract
A wide-beam antenna and a planar phased array with wide-angle scanning performance based on image theory are proposed. To solve the wide-angle scanning problem, a summative evaluation of basic types of carrier-based antennas is given and the antenna types available for wide-angle scanning arrays or end-fire arrays are pointed out. Afterward, a wide-angle scanning array with an artificial magnetic conductor (AMC) ground is proposed. The main beam direction of the array can scan from -89° to 90° in the H-plane with a gain fluctuation less than 3 dB and the scanning 3-dB beamwidth can cover a range from -105° to 105°. An excellent wide-angle scanning performance from the broadside direction to the end-fire direction can be obtained by the proposed method, which can be used to guide the design of wide-angle scanning arrays.Keywords
Funding Information
- National Natural Science Foundation of China (61331007, 61361166008, 61401065)
- Specialized Research Fund for the Doctoral Program of Higher Education of China (20120185130001)
- EHF key Laboratory of Fundamental Science (A03010023801171003)
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