{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:36:51Z","timestamp":1760146611598,"version":"build-2065373602"},"reference-count":39,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T00:00:00Z","timestamp":1732492800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the National Natural Science Foundation of China","award":["No. 62201371","No. 2023NSFSC1382"],"award-info":[{"award-number":["No. 62201371","No. 2023NSFSC1382"]}]},{"name":"the Sichuan Science and Technology Program","award":["No. 62201371","No. 2023NSFSC1382"],"award-info":[{"award-number":["No. 62201371","No. 2023NSFSC1382"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Multiple-input multiple-output synthetic aperture radar (MIMO-SAR) anti-jamming waveform design relies on accurate prior information about the interference. However, it is difficult to obtain accurate prior knowledge about uncertain intermittent sampling repeater jamming (ISRJ), leading to a severe decline in the detection performance of MIMO-SAR systems. Therefore, this article studies the robust joint design problem of MIMO radar transmit waveform and filter against uncertain ISRJ. We characterize two categories of uncertain interference, including sample length uncertainty and sample-time uncertainty, modeled as Gaussian distribution in different range bins. Based on the uncertain interference model, we formulate the maximizing SINR as a figure of merit, which is a non-convex quadratic optimization problem under specific waveform constraints. Based on the alternating direction method of multipliers (ADMM) framework, a novel joint design algorithm of waveform and filter is proposed. In order to improve the convergence performance of ADMM, the difference in convex functions (DC) programming is applied to the ADMM iterations framework to solve the problem of waveform energy inequality constraint. Finally, numerical results demonstrate the effectiveness and robustness of the proposed method, compared to the existing methods that utilize deterministic interference models in the uncertain ISRJ environment. Moreover, the spaceborne SAR real scene imaging simulations are conducted to evaluate the anti-ISRJ performance.<\/jats:p>","DOI":"10.3390\/rs16234413","type":"journal-article","created":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T09:59:34Z","timestamp":1732528774000},"page":"4413","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Multiple-Input Multiple-Output Synthetic Aperture Radar Waveform and Filter Design in the Presence of Uncertain Interference Environment"],"prefix":"10.3390","volume":"16","author":[{"given":"Ke","family":"Xu","sequence":"first","affiliation":[{"name":"School of Aeronautics and Astronautics, Sichuan University, Chengdu 610065, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0781-9778","authenticated-orcid":false,"given":"Guohao","family":"Sun","sequence":"additional","affiliation":[{"name":"School of Aeronautics and Astronautics, Sichuan University, Chengdu 610065, China"},{"name":"Robotic Satellite Laboratory, Chengdu 610065, China"}]},{"given":"Yuandong","family":"Ji","sequence":"additional","affiliation":[{"name":"School of Aeronautics and Astronautics, Sichuan University, Chengdu 610065, China"}]},{"given":"Zhiquan","family":"Ding","sequence":"additional","affiliation":[{"name":"Sichuan Institute of Aerospace Electronic Equipment, Chengdu 610199, China"},{"name":"Multi-Source Information Intelligent Fusion Key Laboratory of Sichuan Province, Chengdu 610016, China"}]},{"given":"Wenhao","family":"Chen","sequence":"additional","affiliation":[{"name":"Sichuan Institute of Aerospace Electronic Equipment, Chengdu 610199, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Li, G., Lu, Q., and Ye, W. 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