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子空间约束的一阶秩1干扰下的自适应检测

邹鲲 来磊 骆艳卜 李伟

邹鲲, 来磊, 骆艳卜, 李伟. 子空间约束的一阶秩1干扰下的自适应检测[J]. 电子与信息学报, 2021, 43(6): 1659-1666. doi: 10.11999/JEIT200259
引用本文: 邹鲲, 来磊, 骆艳卜, 李伟. 子空间约束的一阶秩1干扰下的自适应检测[J]. 电子与信息学报, 2021, 43(6): 1659-1666. doi: 10.11999/JEIT200259
Kun ZOU, Lei LAI, Yanbo LUO, Wei LI. Adaptive Detection with Subspace Constrained Rank one Interference of the First Order[J]. Journal of Electronics & Information Technology, 2021, 43(6): 1659-1666. doi: 10.11999/JEIT200259
Citation: Kun ZOU, Lei LAI, Yanbo LUO, Wei LI. Adaptive Detection with Subspace Constrained Rank one Interference of the First Order[J]. Journal of Electronics & Information Technology, 2021, 43(6): 1659-1666. doi: 10.11999/JEIT200259

子空间约束的一阶秩1干扰下的自适应检测

doi: 10.11999/JEIT200259
基金项目: 国家自然科学基金(61571456, 61603409, 61871396),博士后基金(2017M623352, 2018T111148),陕西省自然科学基金(2020JM-343, 2020JM352)
详细信息
    作者简介:

    邹鲲:男,1976年生,副教授,研究方向为统计信号处理,信号检测与估计,认知雷达信号处理

    来磊:男,1983年生,讲师,研究方向为UAV智能导航,集群协同

    骆艳卜:男,1980年生,讲师,研究方向为无线电导航信号处理,雷达信号处理

    李伟:男,1978年生,副教授,研究方向为新体制雷达技术

    通讯作者:

    来磊 lailei0731@126.com

  • 中图分类号: TN957.51

Adaptive Detection with Subspace Constrained Rank one Interference of the First Order

Funds: The National Natural Science Foundation of China (61571456, 61603409, 61871396), The Postdoctoral Science Foundation of China (2017M623352, 2018T111148), The Shaanxi Province Natural Science Foundation (2020JM-343, 2020JM-352)
  • 摘要: 在复杂电磁环境中,雷达获取的回波数据若受到干扰,会影响到雷达的探测性能。该文针对雷达目标自适应检测问题,假定待检测单元和部分参考数据受到1阶秩1干扰,且干扰约束在某个已知的子空间内。首先基于双步广义似然比(2SGRLT)准则,提出子空间约束(SC)的2SGLRT检测器(SC-2SGLRT)。进一步采用修正的双步广义似然比(M2SGLRT)准则,提出子空间约束的M2SGLRT检测器(SC-M2SGLRT),该检测器的性能明显优于SC-2SGLRT。最后基于3步(3S)广义似然比检验准则,提出子空间约束的3步广义似然比检测器(SC-3SGLRT),该检测器性能与SC-2SGLRT相当,且计算量最小。计算机仿真分析表明,充分利用参考数据和干扰先验信息,有助于提升检测性能。
  • 图  1  数值计算性能分析

    图  2  INR较低时的检测性能对比分析

    图  3  INR较高时的检测性能对比分析

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出版历程
  • 收稿日期:  2020-04-10
  • 修回日期:  2020-11-10
  • 网络出版日期:  2020-11-11
  • 刊出日期:  2021-06-18

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