{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:17:49Z","timestamp":1760242669200,"version":"build-2065373602"},"reference-count":28,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2016,2,19]],"date-time":"2016-02-19T00:00:00Z","timestamp":1455840000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>We propose a parallel factor (PARAFAC) analysis-based angle and polarization estimation algorithm for multiple coherent sources using a uniformly-spaced linear tripole sensor array. By forming a PARAFAC model using the spatial signature of the tripole array, the new algorithm requires neither spatial smoothing nor vector-field smoothing to decorrelate the signal coherency. We also establish that the angle-polarization parameters of K coherent signals can be uniquely determined by PARAFAC analysis, as long as the number of tripoles L               \u2265               2K \u2212               1                                 . In addition, the proposed algorithm can offer enhanced angle and polarization estimation accuracy by extending the interspacing of the tripoles beyond a half wavelength.<\/jats:p>","DOI":"10.3390\/s16020248","type":"journal-article","created":{"date-parts":[[2016,2,19]],"date-time":"2016-02-19T11:29:39Z","timestamp":1455881379000},"page":"248","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Angle-Polarization Estimation for Coherent Sources with Linear Tripole Sensor Arrays"],"prefix":"10.3390","volume":"16","author":[{"given":"Kun","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing 210094, China"}]},{"given":"Jin","family":"He","sequence":"additional","affiliation":[{"name":"Shanghai Key Laboratory of Intelligent Sensing and Recognition, Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200240, China"}]},{"given":"Ting","family":"Shu","sequence":"additional","affiliation":[{"name":"Shanghai Key Laboratory of Intelligent Sensing and Recognition, Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200240, China"}]},{"given":"Zhong","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing 210094, China"}]}],"member":"1968","published-online":{"date-parts":[[2016,2,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2057","DOI":"10.1109\/TAES.2015.130576","article-title":"Multilinear direction finding for sensor-array with multiple scales of invariance","volume":"51","author":"Miron","year":"2015","journal-title":"IEEE Trans. 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