Bistatic multi‐polarimetric synthetic aperture radar coherence investigation using spatially variant incoherence trimming

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dc.contributor.authorHagelberg, Alexander
dc.contributor.authorAndre, Daniel
dc.contributor.authorFinnis, Mark
dc.date.accessioned2024-10-30T13:11:23Z
dc.date.available2024-10-30T13:11:23Z
dc.date.freetoread2024-10-30
dc.date.issued2024-12-31
dc.date.pubOnline2024-10-26
dc.description.abstractSynthetic Aperture Radar (SAR) Coherent Change Detection allows for the detection of very small scene changes. This is particularly useful for Intelligence, Surveillance and Reconnaissance as small changes such as vehicle tracks can be identified. Rapidly collecting repeat pass SAR imagery is important in these applications. For space‐borne platforms, such repeat passes may however have significant differences, or baselines. Coherent Change Detection products are reliant on high coherence for good interpretability. This work investigates the sources and levels of incoherence associated with bistatic SAR imagery for a variety of baselines using simulations and measured laboratory data for two ground types. Additionally, spatially variant incoherence trimming is implemented. The paper shows the importance of angle‐dependant backscatter on the coherence of sub‐resolution cell scatterers.
dc.description.journalNameIET Radar, Sonar & Navigation
dc.description.sponsorshipThis research was produced as a part of a PhD funded by Defence Science and Technology Laboratory.
dc.format.extent2564-2580
dc.identifier.citationHagelberg A, Andre D, Finnis M. (2024) Bistatic multi‐polarimetric synthetic aperture radar coherence investigation using spatially variant incoherence trimming. IET Radar, Sonar & Navigation, Volume 18, Issue 12, December 2024, pp. 2564-2580
dc.identifier.eissn1751-8792
dc.identifier.elementsID555610
dc.identifier.issn1751-8784
dc.identifier.issueNo12
dc.identifier.urihttps://doi.org/10.1049/rsn2.12659
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23139
dc.identifier.volumeNo18
dc.languageEnglish
dc.language.isoen
dc.publisherInstitution of Engineering and Technology (IET)
dc.publisher.urihttps://ietresearch.onlinelibrary.wiley.com/doi/10.1049/rsn2.12659
dc.relation.isreferencedbyhttps://dspace.lib.cranfield.ac.uk/handle/1826/20712
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectNetworking & Telecommunications
dc.subject4006 Communications engineering
dc.subjectdecorrelation
dc.subjectelectromagnetic wave scattering
dc.subjectfrequency-domain analysis
dc.subjectmultistatic radar
dc.subjectpolarimetric radar
dc.subjectradar clutter
dc.subjectradar interferometry
dc.subjectremote sensing by radar
dc.subjectsynthetic aperture radar
dc.subjectultra wideband radar
dc.titleBistatic multi‐polarimetric synthetic aperture radar coherence investigation using spatially variant incoherence trimming
dc.typeArticle
dcterms.dateAccepted2024-10-11

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