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基于时频分析的电离层多模污染抑制研究

鲁转侠 柳文 李雪 李吉宁 郭文玲

鲁转侠, 柳文, 李雪, 李吉宁, 郭文玲. 基于时频分析的电离层多模污染抑制研究[J]. 空间科学学报, 2017, 37(1): 50-58. doi: 10.11728/cjss2017.01.050
引用本文: 鲁转侠, 柳文, 李雪, 李吉宁, 郭文玲. 基于时频分析的电离层多模污染抑制研究[J]. 空间科学学报, 2017, 37(1): 50-58. doi: 10.11728/cjss2017.01.050
LU Zhuanxia, LIU Wen, LI Xue, LI Jining, GUO Wenling. Study on Ionospheric Multi-mode Propagation Pollution Suppression Based on Time-frequency Analysis[J]. Journal of Space Science, 2017, 37(1): 50-58. doi: 10.11728/cjss2017.01.050
Citation: LU Zhuanxia, LIU Wen, LI Xue, LI Jining, GUO Wenling. Study on Ionospheric Multi-mode Propagation Pollution Suppression Based on Time-frequency Analysis[J]. Journal of Space Science, 2017, 37(1): 50-58. doi: 10.11728/cjss2017.01.050

基于时频分析的电离层多模污染抑制研究

doi: 10.11728/cjss2017.01.050
基金项目: 

国家自然科学基金项目资助(61302006,61331012)

详细信息
    通讯作者:

    鲁转侠,E-mail:zhuanxialu@163.com

  • 中图分类号: P352

Study on Ionospheric Multi-mode Propagation Pollution Suppression Based on Time-frequency Analysis

  • 摘要: 研究高分辨线性时频分析方法和联合时频分析方法,利用这两种方法对高频电离层返回散射探测的多个传播模式实测数据,对污染抑制效果进行分析.结果显示,这两种基于时频分析的方法针对多模和相位污染同时存在的复杂情况,与其他常规方法相比均使杂波谱得到了较好的锐化,目标信号在二维时频域较清楚地显出.因此可以证明,上述两种方法具有很高的应用价值,对天波超视距雷达海上低速目标检测具有重要意义.

     

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出版历程
  • 收稿日期:  2015-11-03
  • 修回日期:  2016-06-08
  • 刊出日期:  2017-01-15

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