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Express"],"published-print":{"date-parts":[[2025,2,24]]},"abstract":"<jats:p>We have designed a set of Earth radiation measurement systems based on a segmented aperture method, which can be deployed in geosynchronous orbit. This system includes a four-channel radiometer and a nine-channel multispectral camera. The four-channel radiometer adopts a Cassegrain telescope system as the initial structure and combines segmented aperture technology to achieve simultaneous measurements of four Earth radiation bands (0.3\u223c50\u00b5m, 0.3\u223c4.3\u00b5m, 4.3\u223c50\u00b5m, and 0.7\u223c4.3\u00b5m). The radiometer is equipped with two linear array thermopile detectors to capture images from the four channels, with a spatial resolution of up to 20 kilometers. The nine-channel multispectral camera uses different subsystems sharing a single primary system to achieve simultaneous full-disk observations of Earth in nine independent bands ranging from 0.44 to 2\u00b5m. This camera employs a Si detector and three InGaAs detectors to acquire Earth spectral images in the visible and infrared bands, respectively. The Earth radiation measurement system designed in this paper, based on geostationary orbit, accurately identifies surface and atmospheric scene types through a nine-channel multispectral camera. Combined with the multi-band radiation measurements from the radiometer, it enables in-depth analysis of the radiative characteristics of each scene, allowing for a more precise evaluation of the impact of various radiative forcing factors on Earth's energy budget.<\/jats:p>","DOI":"10.1364\/oe.545076","type":"journal-article","created":{"date-parts":[[2025,1,17]],"date-time":"2025-01-17T04:00:12Z","timestamp":1737086412000},"page":"7450","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Geosynchronous orbit-based Earth radiation measurement system"],"prefix":"10.1364","volume":"33","author":[{"given":"Yuchen","family":"Lin","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]},{"name":"University of Chinese Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Ye","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duo","family":"Wu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5776-4077","authenticated-orcid":true,"given":"Hanyuan","family":"Zhang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]},{"name":"University of Chinese Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ye","family":"Jiang","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]},{"name":"University of Chinese Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hang","family":"Dong","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]},{"name":"University of Chinese Academy of Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhitao","family":"Luo","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/012rct222","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2025,2,13]]},"reference":[{"key":"oe-33-4-7450-R1","doi-asserted-by":"publisher","first-page":"9739","DOI":"10.1029\/JC086iC10p09739","volume":"86","author":"Stephens","year":"1981","journal-title":"J. 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