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Determining Installation Errors for DOA Estimation with Four-Quadrant Monopulse Arrays by using Installed Element Patterns
Saab Surveillance, Stockholm, Sweden.;KTH Royal Inst Technol, Osquldas Vag 10, SE-10044 Stockholm, Sweden..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0001-7269-5241
2018 (English)In: 2018 2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018, Institute of Electrical and Electronics Engineers (IEEE), 2018, article id 8471377Conference paper, Published paper (Refereed)
Abstract [en]

The four-quadrant monopulse array is widely used for direction of arrival (DOA) estimation. Errors in the angle estimate are introduced when installing the array on a platform, due to unwanted reflections in the platform, as well as reflection and refraction in the radome. These installation effects are captured in the installed element patterns, which can be computed using a number of computational electromagnetics methods. In this paper, we demonstrate that the error introduced in the DOA estimate can be determined from the installed element patterns. To illustrate how the method is used, we present results for two cases: (a) BoR-array without radome and (b) BoR-array with an extended hemispherical radome. The presented method can be applied for any installation configuration, as long as the installed element patterns can be computed.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. article id 8471377
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-249922DOI: 10.23919/URSI-AT-RASC.2018.8471377ISI: 000462069500084Scopus ID: 2-s2.0-85055858815ISBN: 9789082598735 (print)OAI: oai:DiVA.org:kth-249922DiVA, id: diva2:1307191
Conference
2nd URSI Atlantic Radio Science Meeting, AT-RASC 2018; Gran Canaria; Spain; 28 May 2018 through 1 June 2018
Note

QC 20190426

Available from: 2019-04-26 Created: 2019-04-26 Last updated: 2019-04-26Bibliographically approved

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Jonsson, B. Lars G.

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