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The Doppler Spectra of Medium Grazing Angle Sea Clutter; Part 2: Model Assessment and Simulation

Watts, S; Rosenberg, L; Bocquet, S; Ritchie, MA; (2016) The Doppler Spectra of Medium Grazing Angle Sea Clutter; Part 2: Model Assessment and Simulation. IET RSN , 10 (1) pp. 32-42. 10.1049/iet-rsn.2015.0149. Green open access

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Abstract

This paper is concerned with the assessment of models of Doppler spectra, derived from high range resolution X-band radar sea clutter observed from an airborne platform over the range of grazing angles, 15 to 45. When looking up or downwind these models represent the strong correlation between mean Doppler shift and local spectrum intensity. When combined with random fluctuations of spectrum width, these characteristics give the spectra a temporal and spatial variability. The models are used to predict clutter spectrum statistics as a function of Doppler frequency and these are compared with statistics derived from the original data. It is also shown how realistic range-varying coherent clutter returns can be simulated using the models.

Type: Article
Title: The Doppler Spectra of Medium Grazing Angle Sea Clutter; Part 2: Model Assessment and Simulation
Open access status: An open access version is available from UCL Discovery
DOI: 10.1049/iet-rsn.2015.0149
Publisher version: http://dx.doi.org/10.1049/iet-rsn.2015.0149
Language: English
Additional information: This paper is a postprint of a paper submitted to and accepted for publication in IET Radar, Sonar and Navigation and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library
Keywords: radar, sea clutter, Doppler, statistics
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1471572
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