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Radial Line Slot Antenna Design with Groove Gap Waveguide Feed for Monopulse Radar Systems

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URI: https://hdl.handle.net/10016/35650
ISSN: 0018-926X
DOI: https://doi.org/10.1109/tap.2019.2922742
UXXI: AR/0000024548
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Radial_IEEETAP_2019.pdf (3.84 MB)
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2019-06-19
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Institute of Electrical and Electronics Engineers (IEEE)
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Abstract
Radial line slot arrays (RLSAs) are well suited to be used in monopulse radar systems. The excitation of the sum and difference patterns can be achieved by the design of simple feeds as shown in this paper. In this work, a feed system based on the use of a cavity made in groove gap waveguide technology (GGW) is presented. The design is made at 24 GHz but can be easily scaled to higher frequencies as the technology is contact-less and fully made in metal. A good isolation between the sum and difference ports together with a good matching of the two of them is obtained. The radiation patterns of the manufactured antenna are also in good agreement with the simulated ones.
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Groove gap-waveguide, Monopulse, Radial slot array
Bibliographic citation
Vazquez-Roy, J. L., Tamayo-Dominguez, A., Rajo-Iglesias, E., & Sierra-Castaner, M. (2019). Radial Line Slot Antenna Design With Groove Gap Waveguide Feed for Monopulse Radar Systems. In IEEE Transactions on Antennas and Propagation, 67(10), 6317–6324
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