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Radar target modeling using in-flight radar cross-section measurements
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2017 (English)In: Journal of Aircraft, ISSN 0021-8669, E-ISSN 1533-3868, Vol. 54, no 1, 284-291 p.Article in journal (Refereed) Published
Abstract [en]

A flight experiment with the Saab 105 aircraft and the radar cross-section measurement system Arken has been performed at C and Ku bands. Two types of trajectories were flown, and the flight state was recorded using inertial and satellite navigation equipment. The data were used to recreate the flight in a simulator where the aspect angles and range to the measurement system couldbe calculated. The measured radar cross sectionas a function of time was presented and compared to various statistical fluctuation models, including the distributions used in Swerling cases. Findings showed that the generalized Pareto distribution fit the measured data best and that Swerling case 2 was a good candidate for describing the dynamics of the radar cross section at the Ku band when the aircraft approached the radar head-on. The measured radar cross-section data were analyzed using the fast Fourier transform, from which fluctuation rates for different carrier frequencies and trajectories could be estimated.

Place, publisher, year, edition, pages
American Institute of Aeronautics and Astronautics Inc. , 2017. Vol. 54, no 1, 284-291 p.
Keyword [en]
Fast Fourier transforms, Pareto principle, Radar, Radar measurement, Statistical mechanics, Carrier frequency, Flight experiments, Fluctuation rate, Generalized Pareto Distributions, Measurement system, Radar target modeling, Satellite navigation, Statistical fluctuations, Radar cross section
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207405DOI: 10.2514/1.C033932ISI: 000395553300026ScopusID: 2-s2.0-85013657425OAI: oai:DiVA.org:kth-207405DiVA: diva2:1104671
Note

QC 20170601

Available from: 2017-06-01 Created: 2017-06-01 Last updated: 2017-06-01Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf