Imaging of Complex Targets with Rotating Parts via WSF-SRDI

Imaging of Complex Targets with Rotating Parts via WSF-SRDI | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL This is a preprint and has not been peer reviewed. Data may be preliminary. 9 April 2026 V1 Latest version Share on Imaging of Complex Targets with Rotating Parts via WSF-SRDI Authors : Shaohui Yao 0009-0004-8787-0961 , Zhenmiao Deng [email protected] , Ye Ge , Xuejian Feng , and Yifeng Wu Authors Info & Affiliations https://doi.org/10.22541/au.177572011.17780377/v1 262 views 92 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Wideband inverse synthetic aperture radar imaging of targets with rotating components suffers from severe defocusing due to high-order nonlinear phase modulation and range cell migration (RCM). To address this problem, a wideband subband fusion single-range Doppler interferometry (WSF-SRDI) framework is proposed. The wideband echo is first partitioned into multipe narrowband subbands via a polyphase filter bank. A theoretical constraint relating the subband number to RCM confinement is derived, ensuring that the RCM remains within a single range cell per subband. Within each subband, a SRDI path-integral model is then constructed to simultaneously achieve subband imaging and rotation parameter estimation, followed by a subband fusion process to enhance the overall image quality. Finally, utilizing the estimated parameters, the rotating components are reconstructed and suppressed through least squares estimation, yielding a well-focused image of the stationary main body. Simulation results and contrast analysis demonstrate that the WSF-SRDI maintains robust performance under low signal-to-noise ratio conditions. The proposed strategy provides an efficient solution for ISAR imaging of complex targets with multiple motion components. Supplementary Material File (manuscript.pdf) Download 699.71 KB Information & Authors Information Version history V1 Version 1 09 April 2026 Copyright This work is licensed under a Non Exclusive No Reuse License. Keywords radar imaging radar signal processing Authors Affiliations Shaohui Yao 0009-0004-8787-0961 Sun Yat-Sen University View all articles by this author Zhenmiao Deng [email protected] Sun Yat-Sen University View all articles by this author Ye Ge Jiuquan Satellite Launch Center View all articles by this author Xuejian Feng National Key Laboratory of Scattering and Radiation View all articles by this author Yifeng Wu Sun Yat-Sen University View all articles by this author Metrics & Citations Metrics Article Usage 262 views 92 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Shaohui Yao, Zhenmiao Deng, Ye Ge, et al. Imaging of Complex Targets with Rotating Parts via WSF-SRDI. Authorea . 09 April 2026. 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