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弹道中段不同平动多目标的平动参数估计方法

冯存前 李江 黄大荣 胡晓伟 韩立珣

冯存前, 李江, 黄大荣, 胡晓伟, 韩立珣. 弹道中段不同平动多目标的平动参数估计方法[J]. 电子与信息学报, 2021, 43(3): 564-571. doi: 10.11999/JEIT200075
引用本文: 冯存前, 李江, 黄大荣, 胡晓伟, 韩立珣. 弹道中段不同平动多目标的平动参数估计方法[J]. 电子与信息学报, 2021, 43(3): 564-571. doi: 10.11999/JEIT200075
Cunqian FENG, Jiang LI, Darong HUANG, Xiaowei HU, Lixun HAN. Estimation Method of Translational Parameters for Different Translational of Ballistic Targets in Midcourse[J]. Journal of Electronics and Information Technology, 2021, 43(3): 564-571. doi: 10.11999/JEIT200075
Citation: Cunqian FENG, Jiang LI, Darong HUANG, Xiaowei HU, Lixun HAN. Estimation Method of Translational Parameters for Different Translational of Ballistic Targets in Midcourse[J]. Journal of Electronics and Information Technology, 2021, 43(3): 564-571. doi: 10.11999/JEIT200075

弹道中段不同平动多目标的平动参数估计方法

doi: 10.11999/JEIT200075
基金项目: 国家自然科学基金(61701526, 61701528),陕西省自然科学基础研究计划项目(2019JQ-336)
详细信息
    作者简介:

    冯存前:男,1975年生,教授,博士生导师,研究方向为目标探测与识别、雷达信号处理及雷达电子战系统

    李江:男,1995年生,硕士生,研究方向为目标探测与识别

    黄大荣:男,1986年生,讲师,研究方向为雷达系统总体、雷达成像及运动补偿

    胡晓伟:男,1987年生,讲师,研究方向为目标探测与识别

    韩立珣:男,1996年生,博士生,研究方向为目标探测与识别

    通讯作者:

    黄大荣 rsphdr@163.com

  • 中图分类号: TN957

Estimation Method of Translational Parameters for Different Translational of Ballistic Targets in Midcourse

Funds: The National Natural Science Foundation of China (61701526, 61701528), The Shaanxi Natural Science Basic Research Project (2019JQ-336)
  • 摘要: 弹道中段多目标具有不同的平动参数,以往针对单目标和同一平动参数的群目标的平动补偿方法不再适用。针对此问题,该文提出了基于高阶模糊函数、延迟共轭相乘及时频分布处理相结合的多目标平动参数和微动周期估计方法。首先,该方法利用高阶模糊函数估计出平动2阶加速度和微动周期;然后,通过对1次补偿后的回波进行延迟共轭相乘估计出平动1阶加速度;最后,利用2次补偿后目标回波时频图的差异,对时间轴进行加权累加估计出剩余平动速度。仿真结果验证了所提算法对于多目标不同平动参数估计的有效性。
  • 图  1  微动模型

    图  2  目标混合回波

    图  3  延迟共轭相乘后的频谱图

    图  4  剩余平动速度估计

    图  5  参数估计值的蒙特卡洛仿真

    图  6  文献[10]采用的Radon变换

    图  7  文献[10]检测到的平动直线

    图  8  文献[11]检测到的角点和拟合曲线

    表  1  多目标同平动参数的估计性能

    信噪比(dB)1阶加速度估计的NRMES速度估计的NRMES
    本文方法文献[10]本文方法文献[10]
    70.00100.36230.11730.8714
    60.03330.36190.10970.6768
    50.17700.35980.11121.0582
    下载: 导出CSV

    表  2  单目标平动参数的估计性能

    信噪比(dB)2阶加速度估计的NRMES1阶加速度估计的NRMES速度估计的NRMES
    本文方法文献[11]本文方法文献[11]本文方法文献[11]
    10.00391.83640.00100.55360.06580.1380
    00.00382.07790.00100.64530.08370.1952
    –10.00393.43990.00121.31390.08550.5301
    –20.00424.24430.00251.43860.09010.4458
    –33.11245.45060.76311.79450.25750.6589
    下载: 导出CSV
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  • 被引次数: 0
出版历程
  • 收稿日期:  2020-01-17
  • 修回日期:  2020-09-29
  • 网络出版日期:  2020-11-17
  • 刊出日期:  2021-03-22

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