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北极69°N和78°N空间碎片凝视探测的对比分析

唐志美 丁宗华 代连东 吴健 许正文

唐志美, 丁宗华, 代连东, 吴健, 许正文. 北极69°N和78°N空间碎片凝视探测的对比分析[J]. 空间科学学报, 2018, 38(1): 73-78. doi: 10.11728/cjss2018.01.073
引用本文: 唐志美, 丁宗华, 代连东, 吴健, 许正文. 北极69°N和78°N空间碎片凝视探测的对比分析[J]. 空间科学学报, 2018, 38(1): 73-78. doi: 10.11728/cjss2018.01.073
TANG Zhimei, DING Zonghua, DAI Liandong, WU Jian, XU Zhengwen. Comparative Analysis of Space Debris Gaze Detection Based on Two Incoherent Scattering Radars Located at 69°N and 78°N ormalsize[J]. Chinese Journal of Space Science, 2018, 38(1): 73-78. doi: 10.11728/cjss2018.01.073
Citation: TANG Zhimei, DING Zonghua, DAI Liandong, WU Jian, XU Zhengwen. Comparative Analysis of Space Debris Gaze Detection Based on Two Incoherent Scattering Radars Located at 69°N and 78°N ormalsize[J]. Chinese Journal of Space Science, 2018, 38(1): 73-78. doi: 10.11728/cjss2018.01.073

北极69°N和78°N空间碎片凝视探测的对比分析

doi: 10.11728/cjss2018.01.073
详细信息
    作者简介:

    唐志美,E-mail:1248765010@qq.com

  • 中图分类号: V412

Comparative Analysis of Space Debris Gaze Detection Based on Two Incoherent Scattering Radars Located at 69°N and 78°N ormalsize

  • 摘要: 利用北极69°N和78°N两套非相干散射雷达的首次空间碎片联合观测数据进行空间碎片参数(距离、速度、散射截面积、等效直径等)的对比分析,得出以下结论:两部雷达探测的碎片高度均主要分布在500~1100km和1400~1600km区间,但78°N雷达探测的碎片数量较多;空间碎片的径向速度均在-1.5~1.5km…-1区间,其中大部分为负值,说明在此次探测试验中碎片运动方向主要以远离雷达或地球为主;ESR雷达探测的空间碎片射截面积约为10-5~10-2m2,等效直径主要分布在4~10cm,而UHF雷达探测的空间碎片散射截面积约为10-6~10-2m2,等效直径主要分布在2~6cm,说明在同一高度上69°N雷达探测能力更强;经合理设置判据参数后得出重复检测次数,78°N雷达和69°N雷达分别有32次和14次重复检测,两部雷达共有4次重复检测.这些结果为空间碎片检测和建模提供了参考.

     

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出版历程
  • 收稿日期:  2017-02-22
  • 修回日期:  2017-05-02
  • 刊出日期:  2018-01-15

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