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However, traditional SLC suffers from the issue of partially canceling the desired signal at high signal\u2010to\u2010noise ratio (SNR), primarily due to unconstrained beamforming processing. Extensive research has been conducted to address this problem; however, existing algorithms have limitations such as dependence on knowledge of signal array vectors or number of interferers and involve high computational complexity. In this paper, we propose a robust SLC algorithm based on beamforming vector norm constraint. Our proposal offers a practical solution by only requiring knowledge of the earth station antenna gain and maximum auxiliary array gain to the desired signal, both of which are fully known. Furthermore, compared to traditional SLC, our proposed method introduces additional computational complexity that only scales linearly with the size of the auxiliary array. Simulation results demonstrate comparable performance between our proposed method and existing techniques such as diagonal loading and spatial degrees\u2010of\u2010freedom control\u2010based algorithms.<\/jats:p>","DOI":"10.1049\/2024\/7696638","type":"journal-article","created":{"date-parts":[[2024,4,4]],"date-time":"2024-04-04T23:20:09Z","timestamp":1712272809000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint"],"prefix":"10.1049","volume":"2024","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7879-7214","authenticated-orcid":false,"given":"Qing","family":"Wang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3481-6289","authenticated-orcid":false,"given":"Huanding","family":"Qin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9007-6030","authenticated-orcid":false,"given":"Kai","family":"Yang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4584-1677","authenticated-orcid":false,"given":"Hao","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3032-6322","authenticated-orcid":false,"given":"Fangmin","family":"He","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4672-0567","authenticated-orcid":false,"given":"Jin","family":"Meng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"265","published-online":{"date-parts":[[2024,4,4]]},"reference":[{"key":"e_1_2_11_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2021.108243"},{"key":"e_1_2_11_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.aeue.2017.06.039"},{"key":"e_1_2_11_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/TCOM.1984.1096145"},{"key":"e_1_2_11_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/mop.33449"},{"key":"e_1_2_11_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/LAWP.2023.3297799"},{"key":"e_1_2_11_6_2","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1109\/LGRS.2023.3321321","article-title":"General RFI suppression with sidelobe cancellation filtering for dual-polarization SAR images","volume":"20","author":"Wang J.","year":"2023","journal-title":"IEEE Geoscience and Remote Sensing Letters"},{"key":"e_1_2_11_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/ecja.4410761110"},{"key":"e_1_2_11_8_2","doi-asserted-by":"crossref","unstructured":"CarbounD. 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