{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,1,27]],"date-time":"2024-01-27T00:08:18Z","timestamp":1706314098706},"reference-count":30,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2024,1,25]],"date-time":"2024-01-25T00:00:00Z","timestamp":1706140800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["12173059","11673082","11103047"],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Jilin Provincial Natural Science Foundation","award":["20220101157JC"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"Laser Time Transfer (LTT) has proven to be able to improve remote time transfer accuracy compared to microwave technology. The impact of satellite clock errors and atmospheric delays during LTT will be further reduced in the common-view mode. The challenge is presented as an optimization problem that is limited by satellite trajectories. This paper introduces an improved simulated annealing algorithm designed to maximize the common-view possibility among various station pairs within regional Satellite Laser Ranging (SLR) networks by optimizing satellite orbit trajectories. The study proposes a system model that integrates LTT principles with satellite visibility considerations. The simulated annealing algorithm is improved with new annealing strategies that incorporate control strategies, and modify the cooling function. Comparative simulation analyses demonstrate the effectiveness of the algorithm, resulting in a significant reduction in computation time by over 10 times. The optimized orbits exhibit common-view windows between 3.337 and 8.955 times longer than existing orbits. Further simulations are conducted to optimize the orbits, and common-view models are established for 45 pairs among 10 stations. The optimizations result in common-view times ranging from 6.183 to 60.633 min in the Asia-Pacific region and from 5.583 to 61.75 min in the Europe-to-Asia region. This can provide valuable references for designing satellite constellations.<\/jats:p>","DOI":"10.3390\/rs16030472","type":"journal-article","created":{"date-parts":[[2024,1,25]],"date-time":"2024-01-25T15:32:38Z","timestamp":1706196758000},"page":"472","source":"Crossref","is-referenced-by-count":0,"title":["Improved Simulated Annealing Algorithm on the Design of Satellite Orbits for Common-View Laser Time Transfer"],"prefix":"10.3390","volume":"16","author":[{"given":"Han","family":"Xue","sequence":"first","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"},{"name":"School of Astronomy and Space, University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"given":"Ziang","family":"Zhang","sequence":"additional","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"},{"name":"School of Astronomy and Space, University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-3366-0692","authenticated-orcid":false,"given":"Shiyu","family":"Deng","sequence":"additional","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"}]},{"given":"Liwei","family":"Mu","sequence":"additional","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"},{"name":"School of Astronomy and Space, University of Chinese Academy of Sciences, Beijing 100049, China"}]},{"given":"Jingqi","family":"Fu","sequence":"additional","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"}]},{"given":"Lingtian","family":"Diao","sequence":"additional","affiliation":[{"name":"Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun 130117, China"},{"name":"School of Astronomy and Space, University of Chinese Academy of Sciences, Beijing 100049, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,25]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2371","DOI":"10.1016\/j.asr.2014.08.015","article-title":"Time Transfer by Laser Link: Data analysis and validation to the ps level","volume":"54","author":"Exertier","year":"2014","journal-title":"Adv. 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