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High sensitivity broadband 360GHz passive receiver for TeraSCREEN
RISE, Swedish ICT, Acreo.
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2016 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, 2016Conference paper, Published paper (Refereed)
Abstract [en]

TeraSCREEN is an EU FP7 Security project aimed at developing a combined active, with frequency channel centered at 360 GHz, and passive, with frequency channels centered at 94, 220 and 360 GHz, imaging system for border controls in airport and commercial ferry ports. The system will include automatic threat detection and classification and has been designed with a strong focus on the ethical, legal and practical aspects of operating in these environments and with the potential threats in mind. Furthermore, both the passive and active systems are based on array receivers with the active system consisting of a 16 element MIMO FMCW radar centered at 360 GHz with a bandwidth of 30 GHz utilizing a custom made direct digital synthesizer. The 16 element passive receiver system at 360 GHz uses commercial Gunn diode oscillators at 90 GHz followed by custom made 90 to 180 GHz frequency doublers supplying the local oscillator for 360 GHz sub-harmonic mixers. This paper describes the development of the passive antenna module, local oscillator chain, frequency mixers and detectors used in the passive receiver array of this system. The complete passive receiver chain is characterized in this paper.

Place, publisher, year, edition, pages
2016.
Keywords [en]
imaging, receiver, Schottky diodes, sensitivity, Airport security, Chains, Continuous wave radar, Gunn diodes, Gunn oscillators, Imaging techniques, MIMO radar, Mixers (machinery), Receivers (containers), Schottky barrier diodes, Direct digital synthesizer, Frequency channels, Local oscillators, Passive receivers, Potential threats, Sub-harmonic mixer, Millimeter waves
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-32600DOI: 10.1117/12.2229246Scopus ID: 2-s2.0-84987796148ISBN: 9781510600713 (print)OAI: oai:DiVA.org:ri-32600DiVA, id: diva2:1156103
Conference
Passive and Active Millimeter-Wave Imaging XIX, 21 April 2016
Available from: 2017-11-10 Created: 2017-11-10 Last updated: 2018-01-13Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • en-US
  • fi-FI
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  • Other locale
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Output format
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