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Circularly Polarized Compact LTSA Array in SIW Technology
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
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2017 (English)In: IEEE Transactions on Antennas and Propagation, ISSN 0018-926X, E-ISSN 1558-2221, Vol. 65, no 6, 3247-3252 p.Article in journal (Refereed) Published
Abstract [en]

Typical linearly tapered slot antenna (LTSA) usually features a wideband and a high gain. However, its geometry size is large, especially very long in the tapering direction, which limits its application in compact antenna and array systems. This communication has minimized the tapered length to less than 0.19 lambda(0) when the aperture width is less than 0.35 lambda(0) both for horizontally and vertically polarized LTSA arrays. Moreover, the typical polarization of the LTSA is linear, which is perpendicular to the slot. In this communication, an X-band circularly polarized 1x8 LTSA array, made of cross-LTSAs, is proposed with the feeding of a substrate integrated waveguide horn. All the three different polarized LTSA arrays are designed and investigated both in simulation and experiment, and the simulation results agree well with the measured results.

Place, publisher, year, edition, pages
IEEE, 2017. Vol. 65, no 6, 3247-3252 p.
Keyword [en]
Antipodal linearly tapered slot antenna (ALTSA), circular polarization, linearly tapered slot antenna (LTSA), substrate integrated waveguide (SIW)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-210485DOI: 10.1109/TAP.2017.2696955ISI: 000402731400055OAI: oai:DiVA.org:kth-210485DiVA: diva2:1120106
Note

QC 20170705

Available from: 2017-07-05 Created: 2017-07-05 Last updated: 2017-07-05Bibliographically approved

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Wang, Lei

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