Measurements and analysis of the radar cross section of chaff dipoles

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dc.contributor.authorBalleri, Alessio
dc.contributor.authorButters, Brian
dc.date.accessioned2024-10-21T08:20:26Z
dc.date.available2024-10-21T08:20:26Z
dc.date.freetoread2024-10-21
dc.date.issued2024-11
dc.date.pubOnline2024-10-19
dc.description.abstractA free space test method to measure the Radar Cross Section (RCS) of single dipole elements is presented. The method is such that dipoles can be measured over a large range of frequencies, in free space and without the need of an anechoic chamber. The setup employs with a Vector Network Analyser (VNA) synchronised to a rotating turntable that controls the position of the transmitting and receiving antennas and the polarisation of the irradiated electric field. Measurements are collected for chaff dipoles made of copper wire, microwire and aluminised glass, from 5 to 11 GHz, to allow a comparison of chaff RCS properties with respect to chaff material and method of fabrication. Measurements of the copper wire chaff also allowed a comparison with existing theoretical predictions of chaff reflectivity. An analysis and a comparison of the results is presented. Results show that the experimental trends of the chaff RCS curves agree with the theoretical RCS curves for perfectly conducting wires. They also show that copper wire provides the strongest reflective chaff followed by the aluminised glass and the microwire.
dc.description.journalNameIET Radar, Sonar & Navigation
dc.description.sponsorshipThis work has been supported by the UK MOD Centre for Defence and Enterprise (CDE 33811 Phase 2 –Research and Development into Chaff Improvement Programme Phase 2). Dstl Contract No. DSTL/AGR/00623/01.
dc.format.extent2182-2188
dc.identifier.citationBalleri A, Butters B. (2024) Measurements and analysis of the radar cross section of chaff dipoles. IET Radar, Sonar & Navigation, Volume 18, Issue 11, November 2024, pp. 2182-2188
dc.identifier.eissn1751-8792
dc.identifier.elementsID555169
dc.identifier.issn1751-8784
dc.identifier.issueNo11
dc.identifier.urihttps://doi.org/10.1049/rsn2.12654
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23098
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/rsn2.12654
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectNetworking & Telecommunications
dc.subject4006 Communications engineering
dc.subjectelectronic countermeasures
dc.subjectradar cross-sections
dc.titleMeasurements and analysis of the radar cross section of chaff dipoles
dc.typeArticle
dcterms.dateAccepted2024-10-07

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