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电力线谐波辐射对电离层高能电子的影响

张翀 吴静 马齐爽 郭强

张翀, 吴静, 马齐爽, 等 . 电力线谐波辐射对电离层高能电子的影响[J]. 北京航空航天大学学报, 2018, 44(11): 2329-2335. doi: 10.13700/j.bh.1001-5965.2018.0138
引用本文: 张翀, 吴静, 马齐爽, 等 . 电力线谐波辐射对电离层高能电子的影响[J]. 北京航空航天大学学报, 2018, 44(11): 2329-2335. doi: 10.13700/j.bh.1001-5965.2018.0138
ZHANG Chong, WU Jing, MA Qishuang, et al. Influence of power line harmonic radiation on ionospheric energetic electrons[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(11): 2329-2335. doi: 10.13700/j.bh.1001-5965.2018.0138(in Chinese)
Citation: ZHANG Chong, WU Jing, MA Qishuang, et al. Influence of power line harmonic radiation on ionospheric energetic electrons[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(11): 2329-2335. doi: 10.13700/j.bh.1001-5965.2018.0138(in Chinese)

电力线谐波辐射对电离层高能电子的影响

doi: 10.13700/j.bh.1001-5965.2018.0138
基金项目: 

国家自然科学基金 51777006

详细信息
    作者简介:

    张翀  男,博士研究生。主要研究方向:近地空间ELF/VLF辐射

    吴静  女,博士,副教授。主要研究方向:电磁场理论及其应用

    通讯作者:

    吴静, E-mail:wujing06@buaa.edu.cn

  • 中图分类号: P352

Influence of power line harmonic radiation on ionospheric energetic electrons

Funds: 

National Natural Science Foundation of China 51777006

More Information
  • 摘要:

    电力线谐波辐射(PLHR)作为一种人为的电离层电磁环境污染源被广泛认可,其对电离层状态的影响亟待研究。基于DEMETER卫星高能粒子探测器(IDP)的数据,采用PLHR事件自轨道和发生前后重访轨道综合分析的方法,研究了中国电离层中发现的72例PLHR事件发生前后电离层高能电子投掷角、低中高3个能带的电子通量的影响。结果表明,在PLHR发生前极少数事件出现了投掷角增大的现象,且低能带的电子通量倾向于减小的趋势。这可能是PLHR产生的影响,也可能是由于电离层高能电子状态的这种变化导致PLHR更容易被探测到。

     

  • 图 1  典型PLHR事件自轨道高能电子变化

    Figure 1.  Energetic electron variation of a typical PLHR event in its self-orbit

    图 2  典型PLHR事件自轨道与重访轨道的投掷角和电子通量的对比

    Figure 2.  Comparison of pitch angle and electron flux between self-orbit and revisiting orbits of typical PLHR event

    图 3  轨道号为246730的PLHR事件的投掷角和电子通量的变化

    Figure 3.  Variation of pitch angle and electron flux of PLHR event on orbit 246730

    图 4  轨道号为151390的PLHR事件的电子通量对比

    Figure 4.  Electron flux of PLHR event on orbit 151390

    表  1  典型PLHR事件的投掷角和电子通量的变化

    Table  1.   Variation of pitch angle and electron flux of typical PLHR event

    高能电子参数 OR-1 OR OR+1 PLHR发生前 PLHR发生后
    投掷角/(°) 81.871 81.861 81.874 不变 不变
    低能带电子通量/(cm-2·s-1·sr-1·keV-1) 0.054 01 0.054 57 0.067 02 不变 增大
    中能带电子通量/(cm-2·s-1·sr-1·keV-1) 0.008 06 0.007 69 0.007 52 不变 不变
    高能带电子通量/(cm-2·s-1·sr-1·keV-1) 0.000 564 0.001 576 0.002 875 增大 增大
    下载: 导出CSV

    表  2  72例PLHR事件的投掷角和电子通量的变化

    Table  2.   Statistical results of pitch angle and electron flux variation of 72 PLHR events

    变化趋势 投掷角 低能带电子通量 中能带电子通量 高能带电子通量
    PLHR发生前 PLHR发生后 PLHR发生前 PLHR发生后 PLHR发生前 PLHR发生后 PLHR发生前 PLHR发生后
    不变 61 61 21 23 44 50 7 7
    增大 10 4 16 27 15 9 31 31
    减小 1 7 35 22 13 13 34 34
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-03-19
  • 录用日期:  2018-05-18
  • 刊出日期:  2018-11-20

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