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According to the relationship between the designed transition matrix and the signal, the proposed algorithm selects the transition matrix corresponding to the high-power signal. The high-precision estimation of the mutual coupling coefficient is obtained by using the selected transition matrix estimation, which yields relatively good estimation accuracy for the mutual coupling coefficient when the desired signal-to-noise ratio (SNR) is low and relatively robust adaptive beamforming with unknown mutual coupling. Simulation results demonstrate the validity of the proposed method.<\/jats:p>","DOI":"10.1155\/2020\/6669547","type":"journal-article","created":{"date-parts":[[2020,12,21]],"date-time":"2020-12-21T20:35:50Z","timestamp":1608582950000},"page":"1-8","source":"Crossref","is-referenced-by-count":0,"title":["High-Precision Mutual Coupling Coefficient Estimation for Adaptive Beamforming"],"prefix":"10.1155","volume":"2020","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4678-929X","authenticated-orcid":true,"given":"Ziang","family":"Feng","sequence":"first","affiliation":[{"name":"Graduate College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2608-4030","authenticated-orcid":true,"given":"Guoping","family":"Hu","sequence":"additional","affiliation":[{"name":"Air and Missile Defense College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3232-8353","authenticated-orcid":true,"given":"Qichao","family":"Ge","sequence":"additional","affiliation":[{"name":"Graduate College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5284-7321","authenticated-orcid":true,"given":"Hao","family":"Zhou","sequence":"additional","affiliation":[{"name":"Air and Missile Defense College, Air Force Engineering University, Xi\u2019an 710051, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2015.2504386"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/JOE.2012.2223560"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1109\/WCL.2012.053112.120212"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2017.2787785"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2020.107512"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1109\/TAES.2020.3034012"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2016.12.031"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1109\/8.76322"},{"key":"9","doi-asserted-by":"crossref","first-page":"1593","DOI":"10.1109\/LAWP.2014.2347056","article-title":"A recursive RARE algorithm for DOA estimation with unknown mutual coupling","volume":"13","author":"J. 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