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To effectively suppress sea clutter, a sea clutter suppression method based on radial basis function neural network (RBFNN) optimized by improved gray wolf optimization (IGWO) algorithm is proposed. Firstly, according to shortcomings of the standard gray wolf optimization (GWO) algorithm, such as slow convergence speed and easily getting into local optimum, an adaptive division of labor search strategy is proposed, which makes the population have abilities of both large-scale search and local exploration in the entire optimization process. Then, the IGWO algorithm is used to optimize RBFNN, finally, establishing a sea clutter prediction model (IGWO-RBFNN) and realizing the prediction and suppression of sea clutter. Experiments show that the IGWO algorithm has significantly improved convergence speed and optimization accuracy. Compared with the particle swarm algorithm with linear decreasing weight strategy (LDWPSO) and the GWO algorithm, the RBFNN prediction model optimized by the IGWO algorithm has higher prediction accuracy and has a better suppression effect on sea clutter of HFSWR.<\/jats:p>","DOI":"10.1155\/2020\/8842390","type":"journal-article","created":{"date-parts":[[2020,11,16]],"date-time":"2020-11-16T23:20:11Z","timestamp":1605568811000},"page":"1-10","source":"Crossref","is-referenced-by-count":11,"title":["Sea Clutter Suppression Method of HFSWR Based on RBF Neural Network Model Optimized by Improved GWO Algorithm"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2427-049X","authenticated-orcid":true,"given":"Shang","family":"Shang","sequence":"first","affiliation":[{"name":"School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6609-8229","authenticated-orcid":true,"given":"Kang-Ning","family":"He","sequence":"additional","affiliation":[{"name":"School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3767-8179","authenticated-orcid":true,"given":"Zhao-Bin","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3294-8627","authenticated-orcid":true,"given":"Tong","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0666-4970","authenticated-orcid":true,"given":"Ming","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5214-217X","authenticated-orcid":true,"given":"Xiang","family":"Li","sequence":"additional","affiliation":[{"name":"College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/tgrs.2019.2955472"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/lgrs.2017.2691741"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/tgrs.2013.2286741"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/tgrs.2017.2702394"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1109\/lgrs.2012.2226203"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1007\/s12601-013-0007-0"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1049\/iet-rsn.2018.5112"},{"key":"8","article-title":"RANGER: radar and early warning technologies for long distance maritime surveillance","author":"L. 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