{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,17]],"date-time":"2026-02-17T12:18:57Z","timestamp":1771330737109,"version":"3.50.1"},"reference-count":36,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2022,2,18]],"date-time":"2022-02-18T00:00:00Z","timestamp":1645142400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"High Level Talent Project of Chengdu Normal University","award":["YJRC2020-12"],"award-info":[{"award-number":["YJRC2020-12"]}]},{"DOI":"10.13039\/501100001809","name":"the National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51978089"],"award-info":[{"award-number":["51978089"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Innovation Team of Chengdu Normal University","award":["CSCXTD2020B09"],"award-info":[{"award-number":["CSCXTD2020B09"]}]},{"name":"Department of Science and Technology key research and development project of Sichuan Provincial","award":["22ZDYF2726"],"award-info":[{"award-number":["22ZDYF2726"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Most lightning location networks obtain the position results by optimizing the goodness of fit to determine that all combinatorial time differences of arrivals (TDOAs) are due to a common discharge. This paper proposes a three-dimensional (3D) lightning location method based on range difference (RD) space projection. The proposed method projects all the measurements into the RD space, which has the space-invariant feature of the equivalence cell and can be partitioned soundly. Aiming at the problem of computational cost of the procedure of the projection, the hierarchical strategy is proposed to improve computational efficiency. The performance of the RD space projection based on the hierarchical strategy is analyzed via Monte-Carlo simulations. The results show that the proposed method can locate lightning sources in real time with high accuracy. The results also show that the location accuracy is limited by the level of the inherent time uncertainty, the layout, and the size of the receiver network. Under the fixed layout and size of the receiver network, and the fixed measurement noise uncertainty, the positioning precision cannot be improved more even if the grid step is small enough or the number of receivers is large enough.<\/jats:p>","DOI":"10.3390\/rs14041003","type":"journal-article","created":{"date-parts":[[2022,2,21]],"date-time":"2022-02-21T08:23:29Z","timestamp":1645431809000},"page":"1003","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["3D Lightning Location Method Based on Range Difference Space Projection"],"prefix":"10.3390","volume":"14","author":[{"given":"Ling","family":"Fan","sequence":"first","affiliation":[{"name":"School of Computer Science, Chengdu Normal University, Chengdu 611130, China"},{"name":"Key Laboratory of Interior Layout Optimization and Security, Institutions of Higher Education of Sichuan Province, Chengdu Normal University, Chengdu 611130, China"}]},{"given":"Changhai","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Computer Science, Chengdu Normal University, Chengdu 611130, China"},{"name":"Key Laboratory of Interior Layout Optimization and Security, Institutions of Higher Education of Sichuan Province, Chengdu Normal University, Chengdu 611130, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7989","DOI":"10.1029\/2018JD028716","article-title":"Locating preliminary breakdown pulses in positive cloud-to-ground lightning","volume":"123","author":"Wu","year":"2018","journal-title":"J. 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