{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,24]],"date-time":"2025-10-24T08:27:18Z","timestamp":1761294438758,"version":"build-2065373602"},"reference-count":58,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2022,2,25]],"date-time":"2022-02-25T00:00:00Z","timestamp":1645747200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Target detection using radar has important applications in military and civilian fields. Aimed at targets containing interference, radar polarimetry can facilitate discrimination between the target and interference. Since existing methods require the utilization of interference signals without targets in advance, they have a poor effect on interference with variable polarization. To solve this problem, this paper proposes a novel synchronous method to estimate the parameters of interference. First, we introduce a definition of the pulse compression signal-to-noise ratio, and prove that it is the polarization invariant in the virtual polarization adaptation. Then, for signals containing a target, interference, and noise, we propose a novel synchronous estimation method. Subsequently, we propose the two-dimensional golden selected method to further optimize the method with minimum calculation, and prove that the method presented in this paper is convergent and globally optimal. Finally, we analyze the presented method from three aspects: robustness, complexity, and applicability; the results of which demonstrate the efficacy of the method presented in this paper.<\/jats:p>","DOI":"10.3390\/rs14051137","type":"journal-article","created":{"date-parts":[[2022,2,27]],"date-time":"2022-02-27T20:48:33Z","timestamp":1645994913000},"page":"1137","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Polarization Estimation with a Single Vector Sensor for Radar Detection"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6440-4624","authenticated-orcid":false,"given":"Yaomin","family":"He","sequence":"first","affiliation":[{"name":"Departmentof Electronic Engineering, Tsinghua University, Beijing 100084, China"}]},{"given":"Jian","family":"Yang","sequence":"additional","affiliation":[{"name":"Departmentof Electronic Engineering, Tsinghua University, Beijing 100084, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"8797","DOI":"10.1109\/JSEN.2020.2984389","article-title":"An interference suppression method for multistatic radar based on noise subspace projection","volume":"15","author":"Yu","year":"2020","journal-title":"IEEE Sensors J."},{"key":"ref_2","first-page":"342","article-title":"Two-stage clutter and interference cancellation method in passive bistatic radar","volume":"6","author":"Chen","year":"2020","journal-title":"IET Signal Process."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1049\/iet-rsn.2019.0500","article-title":"Main lobe jamming suppression via blind source separation sparse signal recovery with subarray configuration","volume":"3","author":"Ge","year":"2020","journal-title":"IET Radar Sonar Navig."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"1745","DOI":"10.1109\/LSP.2020.3026942","article-title":"Vital sign extraction in the presence of radar mutual interference","volume":"27","author":"Liu","year":"2020","journal-title":"IEEE Signal Process. 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