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      Research and Realization of the HJ-1C Real-time Software Frame Synchronization Algorithm

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          Abstract

          Conventional software frame synchronization methods are inefficient in processing huge continuous data without synchronization words. To improve the processing speed, a real-time synchronization algorithm is proposed based on reverse searching. Satellite data are grouped and searched in the reverse direction to avoid searching for synchronization words in huge continuous invalid data; thus, the frame synchronization speed is improved enormously. The fastest processing speed is up to 15445.9 Mbps when HJ-1C data are tested. This method is presently applied to the HJ-1C quick-look system in remote sensing satellite ground stations.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 June 2014
          : 3
          : 3
          : 326-331
          Affiliations
          [1 ] Key Laboratory of Technology in Geo-spatial Information Processing and Application System, Chinese Academy of Sciences
          Article
          ef10438e8e5a4640a105d1c002e6b26e
          10.3724/SP.J.1300.2014.13053

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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