{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T13:42:18Z","timestamp":1774964538673,"version":"3.50.1"},"reference-count":79,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2023YFA1008600"],"award-info":[{"award-number":["2023YFA1008600"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12371464"],"award-info":[{"award-number":["12371464"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100018919","name":"Major Key Project of the Peng Cheng Laboratory","doi-asserted-by":"publisher","award":["PCL2023AS1-2"],"award-info":[{"award-number":["PCL2023AS1-2"]}],"id":[{"id":"10.13039\/100018919","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Signal Process."],"published-print":{"date-parts":[[2024]]},"DOI":"10.1109\/tsp.2024.3441059","type":"journal-article","created":{"date-parts":[[2024,8,8]],"date-time":"2024-08-08T18:49:56Z","timestamp":1723142996000},"page":"5659-5674","source":"Crossref","is-referenced-by-count":3,"title":["COFFEE: Covariance Fitting and Focusing for Wideband Direction-of-Arrival Estimation"],"prefix":"10.1109","volume":"72","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3742-925X","authenticated-orcid":false,"given":"Xunmeng","family":"Wu","sequence":"first","affiliation":[{"name":"School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9502-5176","authenticated-orcid":false,"given":"Zai","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3400-5590","authenticated-orcid":false,"given":"Zhiqiang","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6420-4884","authenticated-orcid":false,"given":"Robert","family":"Schober","sequence":"additional","affiliation":[{"name":"Institute for Digital Communications, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4066-2338","authenticated-orcid":false,"given":"Zongben","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Mathematics and Statistics, Xi’an Jiaotong University, Xi’an, China"}]}],"member":"263","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.23919\/EUSIPCO63174.2024.10715111"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/TASSP.1984.1164400"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2006.872581"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TASSP.1985.1164667"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/29.1655"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/78.139236"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/78.489056"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/78.950774"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2005.04.009"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/ACSSC.2009.5469796"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.1993.193167"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/78.324723"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2021.3094718"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.1993.193166"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/78.236500"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2002.800420"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1121\/1.1639906"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2011.2140108"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2011.2181506"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2012.090312.111912"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2013.04.005"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/JOE.2017.2660278"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2019.02.003"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TASLP.2015.2436214"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2019.2932973"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/78.476440"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/78.324724"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2021.3088231"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2013.2281514"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2015.2481790"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2022.3160802"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/78.747770"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.23919\/EUSIPCO.2017.8081579"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2023.3244091"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2018.2811746"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2011.2159214"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2020.3039565"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2760825"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2020.3023934"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2019.2949502"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2019.2931202"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.1986.1143830"},{"key":"ref43","article-title":"Jacobi\u2013Anger expansion","year":"2024"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1016\/b978-0-12-811887-0.00011-0"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2015.2420541"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2014.2339792"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2010.2086452"},{"key":"ref48","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2010.2090525"},{"key":"ref49","doi-asserted-by":"publisher","DOI":"10.1007\/BF02289451"},{"key":"ref50","doi-asserted-by":"publisher","DOI":"10.1561\/2200000016"},{"key":"ref51","doi-asserted-by":"publisher","DOI":"10.1007\/BF01096458"},{"key":"ref52","doi-asserted-by":"publisher","DOI":"10.1007\/s10479-007-0176-2"},{"key":"ref53","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2021.3132674"},{"key":"ref54","doi-asserted-by":"publisher","DOI":"10.1109\/TPAMI.2023.3271451"},{"key":"ref55","article-title":"The Schur complement and symmetric positive semidefinite (and definite) matrices","author":"Gallier","year":"2019"},{"key":"ref56","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2011.11.010"},{"key":"ref57","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2015.2493987"},{"key":"ref58","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2016.2601299"},{"key":"ref59","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.1983.1172124"},{"key":"ref60","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9781139020411"},{"key":"ref61","doi-asserted-by":"publisher","DOI":"10.1080\/10556788.2017.1304548"},{"key":"ref62","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2022.3198863"},{"key":"ref63","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2023.3309459"},{"key":"ref64","doi-asserted-by":"publisher","DOI":"10.1109\/TAES.2023.3280894"},{"key":"ref65","doi-asserted-by":"publisher","DOI":"10.4236\/alamt.2014.43015"},{"key":"ref66","doi-asserted-by":"publisher","DOI":"10.1137\/140998135"},{"key":"ref67","doi-asserted-by":"publisher","DOI":"10.1007\/s10915-018-0757-z"},{"key":"ref68","doi-asserted-by":"publisher","DOI":"10.1007\/s11464-012-0194-5"},{"key":"ref69","doi-asserted-by":"publisher","DOI":"10.1080\/02331934.2014.895901"},{"key":"ref70","doi-asserted-by":"publisher","DOI":"10.1137\/140990309"},{"key":"ref71","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2023.3315448"},{"key":"ref72","doi-asserted-by":"publisher","DOI":"10.1016\/j.sigpro.2023.108991"},{"key":"ref73","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-02431-3"},{"key":"ref74","first-page":"4882","article-title":"Bilevel optimization: Convergence analysis and enhanced design","volume-title":"Proc. Int. Conf. Mach. Learn.","author":"Ji","year":"2021"},{"key":"ref75","article-title":"CVX: Matlab software for disciplined convex programming","author":"Grant","year":"2008"},{"key":"ref76","doi-asserted-by":"publisher","DOI":"10.1080\/10556789908805762"},{"key":"ref77","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-3758(98)00176-1"},{"key":"ref78","doi-asserted-by":"publisher","DOI":"10.1109\/78.365295"},{"key":"ref79","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2016.2576422"}],"container-title":["IEEE Transactions on Signal Processing"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/78\/10347386\/10632100.pdf?arnumber=10632100","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,11]],"date-time":"2024-12-11T21:58:46Z","timestamp":1733954326000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/10632100\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024]]},"references-count":79,"URL":"https:\/\/doi.org\/10.1109\/tsp.2024.3441059","relation":{},"ISSN":["1053-587X","1941-0476"],"issn-type":[{"value":"1053-587X","type":"print"},{"value":"1941-0476","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024]]}}}