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A spaceborne advanced storage system for remote sensing microsatellites
Regular Papers | Updated：2024-04-29

    • A spaceborne advanced storage system for remote sensing microsatellites

    • 一种遥感微纳卫星星载先进存储系统
    • “随着卫星小型化与遥感技术的不断进步，建立微型卫星星座已成为一种必然趋势。然而，由于微型卫星的尺寸、重量和功耗限制，空间存储系统作为其中的一项关键技术，仍然面临着可扩展性、性能和可靠性的挑战。某研究团队在商业级现场可编程门阵列和内存器件的基础上，提出了一种新型的空间高级存储系统（SASS）。该系统采用动态编程和队列调度的多输入多输出缓存技术，以及高速、高可靠性的NAND闪存控制器，为多个微型卫星的有效载荷数据提供了强大的存储支持。实验结果显示，SASS展现出卓越的可扩展性，最大写入速率高达2429Mb/s，即使在单个NAND闪存出现故障时，仍能保持至少78.53%的性能。此外，该系统的调度技术显著缩短了数据调度时间，而NAND闪存控制器的数据重映射方法则能有效减少保留错误和编程干扰错误，分别降低至少50.73%和37.80%。这一研究成果为微型卫星星座的空间存储系统设计提供了新的思路和方法，有望推动遥感技术的进一步发展。”
    • Frontiers of Information Technology & Electronic Engineering   Vol. 25, Issue 4, Pages: 600-615(2024)

    • DOI：10.1631/FITEE.2200445    

      CLC： V446+.9

    • Received：09 October 2022，

      Revised：2023-03-14，

      Accepted：14 March 2023，

      Published：0 April 2024

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  • Shilei TU, Huiquan WANG, Yue HUANG, et al. A spaceborne advanced storage system for remote sensing microsatellites[J]. Frontiers of Information Technology & Electronic Engineering, 2024, 25(4): 600-615. DOI： 10.1631/FITEE.2200445.

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Jing WANG
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Yue-hua NIU
Lan GAO
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Related Institution

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