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Ultra-Compact Micromachined Beam-Steering Antenna Front-End for High-Resolution Sub-Terahertz Radar
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0002-8264-3231
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0002-8894-7930
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems. (THz MEMS)ORCID iD: 0000-0003-3339-9137
2019 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This paper reports on an ultra-compact sub-THz frequency based beam-steering radar antenna front-end implementation utilizing a micromachined parallel-plate waveguide based leaky wave antenna. At a size of only 24 × 24 × 0.9 mm 3 , the beam-steering front-end antenna has a 28 dBi gain and a 45° field of view for scanning over 220-300 GHz. As compared to a theoretical range resolution of 6.8 mm, a range resolution of 1.2 cm was experimentally verified for 2.5 cm large targets separated by 8°. Furthermore, this paper shows a signal processing technique for frequency-steerable antennas which achieves high angular target separation by splitting the measurement frequency range into sub-sections to isolate similar slant range close-proximity targets into different frequency spaces.

Place, publisher, year, edition, pages
IEEE, 2019.
Keywords [en]
THz MEMS, THz radar, millimter-wave radar, leaky wave antenna
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-264928DOI: 10.1109/IRMMW-THz.2019.8874392OAI: oai:DiVA.org:kth-264928DiVA, id: diva2:1375697
Conference
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
Funder
EU, Horizon 2020, 824962
Note

QC 20191212

Available from: 2019-12-05 Created: 2019-12-05 Last updated: 2019-12-12Bibliographically approved

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fulltext(1531 kB)15 downloads
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Type fulltextMimetype application/pdf

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Shah, UmerGomez Torrent, AdrianOberhammer, Joachim
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