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基于滤波器组多载波的组网低截获探通一体化信号设计

陈军 王昊 贺晓波 王杰 周建江

陈军, 王昊, 贺晓波, 王杰, 周建江. 基于滤波器组多载波的组网低截获探通一体化信号设计[J]. 电子与信息学报. doi: 10.11999/JEIT240342
引用本文: 陈军, 王昊, 贺晓波, 王杰, 周建江. 基于滤波器组多载波的组网低截获探通一体化信号设计[J]. 电子与信息学报. doi: 10.11999/JEIT240342
CHEN Jun, WANG Hao, HE Xiaobo, WANG Jie, ZHOU Jianjiang. Design of Low Probability of Intercept and Communication Signal Based on Filter Bank Multi-Carrier for Multi-node Network Systems[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT240342
Citation: CHEN Jun, WANG Hao, HE Xiaobo, WANG Jie, ZHOU Jianjiang. Design of Low Probability of Intercept and Communication Signal Based on Filter Bank Multi-Carrier for Multi-node Network Systems[J]. Journal of Electronics & Information Technology. doi: 10.11999/JEIT240342

基于滤波器组多载波的组网低截获探通一体化信号设计

doi: 10.11999/JEIT240342
基金项目: 国家自然科学基金(62171229),江苏省自然科学基金(BK20190772),航空科学基金(20200020052005),雷达成像与微波光子技术教育部重点实验室基金(南京航空航天大学)(NJ20230002)
详细信息
    作者简介:

    陈军:男,博士,讲师,研究方向为雷达通信一体化、低截获概率雷达、雷达目标检测等

    王昊:男,硕士生,研究方向为低截获雷达通信一体化组网系统设计

    贺晓波:男,硕士生,研究方向为低截获雷达通信一体化

    王杰:男,博士,副研究员,研究方向为MIMO雷达信号设计、合成孔径雷达处理、雷达通信一体化

    周建江:男,博士,教授,研究方向为研究方向为飞行器射频隐身技术、雷达目标特性分析、航空电子信息系统设计等

    通讯作者:

    陈军 junchen@nuist.edu.cn

  • 中图分类号: TN958

Design of Low Probability of Intercept and Communication Signal Based on Filter Bank Multi-Carrier for Multi-node Network Systems

Funds: The National Natural Science Foundation of China (62171229), The Natural Science Foundation of Jiangsu Province (BK20190772), The Aeronautical Science Foundation (20200020052005), The Foundation of Key Laboratory of Radar Imaging and Microwave Photon Technology of Ministry of Education (Nanjing University of Aeronautics and Astronautics) (NJ20230002)
  • 摘要: 在现代电子对抗中,将多部探通一体化系统进行组网,可以提高单站探通一体化系统探测效率和协同探测能力。由于探通一体化信号自身峰均比较高,信号易被截获,系统的生存能力受到严重威胁。为了提升探通一体化信号的低截获性能(LPI),首先该文在滤波器组多载波的框架下,提出一种通信子载波分组功率优化和雷达子载波异置等功率优化的组网低截获探通一体化信号时频结构。然后,该文从信息论的角度出发,统一了系统的性能评估指标;将最小化截获信息距离作为优化目标函数,建立了组网探通一体化信号低截获优化模型。该文将此优化模型转换为凸优化问题,并利用Karush-Kuhn-Tucker条件对其进行求解。仿真结果表明,该文所设计的组网低截获探通一体化信号在探测动目标时,节点间雷达干扰低至近–60 dB,通信误码率满足10–6数量级,同时能有效降低截获信号的信噪比。
  • 图  1  组网系统协同低截获探测机制图

    图  2  组网探通一体化系统各节点信号资源结构图

    图  3  3个节点雷达探测结果

    图  4  节点1雷达探测目标距离维和速度维切片

    图  5  节点1上回波信号中通信数据对雷达的干扰

    图  6  不同速度下节点2对节点1的雷达干扰

    图  7  各节点通信接收端的星座图

    图  8  不同性能指标下的KL距离

    图  9  各节点雷达和截获接收机的信噪比损失

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出版历程
  • 收稿日期:  2024-04-29
  • 修回日期:  2024-08-21
  • 网络出版日期:  2024-08-30

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