{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T17:52:41Z","timestamp":1783533161752,"version":"3.55.0"},"reference-count":29,"publisher":"Optica Publishing Group","issue":"9","license":[{"start":{"date-parts":[[2023,3,20]],"date-time":"2023-03-20T00:00:00Z","timestamp":1679270400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR"},{"start":{"date-parts":[[2023,3,20]],"date-time":"2023-03-20T00:00:00Z","timestamp":1679270400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100018537","name":"National Science and Technology Major Project","doi-asserted-by":"publisher","award":["J2019-V-0006-0100"],"award-info":[{"award-number":["J2019-V-0006-0100"]}],"id":[{"id":"10.13039\/501100018537","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11872354"],"award-info":[{"award-number":["11872354"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Appl. Opt."],"published-print":{"date-parts":[[2023,3,20]]},"abstract":"<jats:p>To improve the detection capability of satellite-based synthetic aperture radar, a\n\t\t\t\t\tlarge antenna array with a length scale of 100 meters is urgently\n\t\t\t\t\tneeded. However, the structural deformation of the large antenna leads\n\t\t\t\t\tto phase errors, which will significantly reduce the antenna gain;\n\t\t\t\t\thence, real-time and high-precision profile measurements of the\n\t\t\t\t\tantenna are essential for active compensation of the phase and thus\n\t\t\t\t\timproving the antenna gain. Nevertheless, the conditions of antenna\n\t\t\t\t\tin-orbit measurements are rather severe because of limited\n\t\t\t\t\tinstallation locations of measurement instruments, large areas, and\n\t\t\t\t\tlong distance to be measured, and unstable measurement environments.\n\t\t\t\t\tTo deal with the issues, we propose a three-dimensional displacement\n\t\t\t\t\tmeasurement method for the antenna plate based on laser distance\n\t\t\t\t\tmeasuring and digital image correlation (DIC). The proposed method\n\t\t\t\t\tuses the DIC method to retrieve the in-plane displacement information\n\t\t\t\t\tin combination with a laser range finder to provide depth information.\n\t\t\t\t\tA Scheimpflug camera is used to overcome the limitation of the depth\n\t\t\t\t\tof field of traditional cameras and enable clear imaging of the full\n\t\t\t\t\tfield. Moreover, a vibration compensation scheme is proposed to\n\t\t\t\t\teliminate the measurement error of the target displacement caused by\n\t\t\t\t\tthe random vibration (within 0.01\u00b0) of the camera support rod. The\n\t\t\t\t\tresults of the experiment in a laboratory setting show that the\n\t\t\t\t\tproposed method can effectively eliminate the measurement error caused\n\t\t\t\t\tby camera vibration (50\u00a0mm) and reduce the displacement\n\t\t\t\t\tmeasurement error to within 1\u00a0mm with a measurement range of\n\t\t\t\t\t60\u00a0m, which can meet the measurement requirements of\n\t\t\t\t\tnext-generation large satellite antennas.<\/jats:p>","DOI":"10.1364\/ao.481625","type":"journal-article","created":{"date-parts":[[2023,2,27]],"date-time":"2023-02-27T21:00:08Z","timestamp":1677531608000},"page":"2338","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Real-time profile measurement method for a large-scale satellite antenna"],"prefix":"10.1364","volume":"62","author":[{"given":"Zheng","family":"Fang","sequence":"first","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaru","family":"Wang","sequence":"additional","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yang","family":"Liu","sequence":"additional","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liangliang","family":"Lv","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Aerospace System Engineering"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangqiang","family":"Fang","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Aerospace System Engineering"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeqian","family":"Lv","sequence":"additional","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeren","family":"Gao","sequence":"additional","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1964-0756","authenticated-orcid":true,"given":"Yong","family":"Su","sequence":"additional","affiliation":[{"name":"School of Biomedical Engineering, Anhui Medical University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8359-3363","authenticated-orcid":true,"given":"Qingchuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"University of Science and Technology of China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2023,3,20]]},"reference":[{"key":"ao-62-9-2338-R1","doi-asserted-by":"publisher","first-page":"135","DOI":"10.2514\/1.50252","volume":"48","author":"Lane","year":"2011","journal-title":"J. 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