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艇载声波测量临近空间风场可行性分析

郭岗岗 涂翠 胡雄 吴小成 韦峰 宋亮

郭岗岗, 涂翠, 胡雄, 吴小成, 韦峰, 宋亮. 艇载声波测量临近空间风场可行性分析[J]. 空间科学学报, 2019, 39(2): 200-204. doi: 10.11728/cjss2019.02.200
引用本文: 郭岗岗, 涂翠, 胡雄, 吴小成, 韦峰, 宋亮. 艇载声波测量临近空间风场可行性分析[J]. 空间科学学报, 2019, 39(2): 200-204. doi: 10.11728/cjss2019.02.200
GUO Ganggang, TU Cui, HU Xiong, WU Xiaocheng, WEI Feng, SONG Liang. Analysis of Airborne Acoustic Wave Wind-metering of the Near Space[J]. Journal of Space Science, 2019, 39(2): 200-204. doi: 10.11728/cjss2019.02.200
Citation: GUO Ganggang, TU Cui, HU Xiong, WU Xiaocheng, WEI Feng, SONG Liang. Analysis of Airborne Acoustic Wave Wind-metering of the Near Space[J]. Journal of Space Science, 2019, 39(2): 200-204. doi: 10.11728/cjss2019.02.200

艇载声波测量临近空间风场可行性分析

doi: 10.11728/cjss2019.02.200
基金项目: 

国家重点研发计划项目(2016YFB0501503)和高分青年基金项目(GFZX04061502)共同资助

详细信息
    作者简介:

    郭岗岗,E-mail:nsscguoganggang@163.com

    通讯作者:

    涂翠,E-mail:tucui@nssc.ac.cn

  • 中图分类号: P353

Analysis of Airborne Acoustic Wave Wind-metering of the Near Space

  • 摘要: 提出一种临近空间艇载原位测量大气风场的新方法,该方法利用声波传播时延差测量临近空间大气风场.介绍了该方法的原理,分析了测风误差来源和测风精度.通过分析声波在临近空间高度的衰减,对信号载波频率和传播距离进行了选择,并对不同信噪比条件下声波时延估计精度进行了仿真分析.结果表明:在临近空间20~50km高度,传播距离为2~5m,距离测量精度为1mm,平台测速精度为0.1m·s-1,信噪比优于-2dB条件下,时延估计精度优于1μs,利用该方法测风精度能达到0.2m·s-1的较高水平.

     

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出版历程
  • 收稿日期:  2017-11-30
  • 修回日期:  2018-06-22
  • 刊出日期:  2019-03-15

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