[1]孙彦景,陈功骁,张亮,等.无人机导航信号的增强及干扰抑制技术[J].深圳大学学报理工版,2019,36(No.5(473-598)):482-488.[doi:10.3724/SP.J.1249.2019.05482]
 SUN Yanjing,CHEN Gongxiao,ZHANG Liang,et al.UAV navigation signal enhancement and jamming mitigation[J].Journal of Shenzhen University Science and Engineering,2019,36(No.5(473-598)):482-488.[doi:10.3724/SP.J.1249.2019.05482]
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无人机导航信号的增强及干扰抑制技术()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第36卷
期数:
2019年No.5(473-598)
页码:
482-488
栏目:
专题:无人机探测与通信
出版日期:
2019-09-18

文章信息/Info

Title:
UAV navigation signal enhancement and jamming mitigation
文章编号:
201905002
作者:
孙彦景陈功骁张亮李松
中国矿业大学信息与控制工程学院,江苏徐州 221116
Author(s):
SUN Yanjing CHEN Gongxiao ZHANG Liang and LI Song
School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu Province, P.R.China
关键词:
导航制导与控制无人机多天线导航接收机快变干扰稳健波束形成
Keywords:
navigation guidance and control unmanned aerial vehicle (UAV) multi-antenna navigation receiver fast-moving jamming robust beamforming
分类号:
TN966;TN919;V279
DOI:
10.3724/SP.J.1249.2019.05482
文献标志码:
A
摘要:
自适应波束形成技术的多天线卫星导航接收机易受高动态干扰影响,导致导航信号接收性能下降,无法为无人机提供可靠的位置信息.提出一种基于最小离差准则的稳健波束形成设计方法,最小离差准则波束形成通过联合信号的各阶统计特征实现对导航信号的接收增强,同时结合最小干扰功率准则展宽波束零陷抑制高动态干扰.稳健最小离差波束形成设计方法可通过求解带有二次约束的优化问题实现.为降低运算复杂度,将二次约束替换为线性约束,并开发快速算法将运算复杂度由标准内点法的O(N3)降至O(NM2). 通过计算机仿真,从波束形成器输出波束图、输出信干噪比、算法收敛速度等方面验证了方法的有效性.
Abstract:
Multi-antenna satellite navigation receivers based on adaptive beamforming technology are susceptible to high dynamic interference, which results in the degradation of the reception performance of navigation signals and can not provide reliable location information for UAVs. In this paper, a robust beamforming design method based on minimum deviation criterion is proposed. By combining the statistical characteristics of each order of the signal, the minimum deviation criterion beamforming can enhance the reception of navigation signals, and at the same time, combining the minimum interference power criterion, widen the beam nulling to suppress high dynamic interference. Robust minimum deviation beamforming design method can be realized by solving optimization problems with quadratic constraints. In order to reduce the computational complexity, quadratic constraints are replaced by linear constraints. A fast algorithm is developed to reduce the computational complexity from O(N3) of standard interior point method to O(NM2). The effectiveness of the method is verified in terms of the output beam pattern from beamforming, the output signal-to-interference-noise ratio and the convergence speed of algorithm by computer simulation.

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备注/Memo

备注/Memo:
Received:2019-03-22;Accepted:2019-07-22
Foundation:National Key Research and Development Program of China(2016YFC0801403); National Natural Science Foundation of China (61771417, 51734009, 51504214); Science and Technology Project of Xuzhou (KC18068)
Corresponding author:Professor SUN Yanjing. E-mail: yjsun@cumt.edu.cn
Citation:SUN Yanjing, CHEN Gongxiao, ZHANG Liang, et al. UAV navigation signal enhancement and jamming mitigation[J]. Journal of Shenzhen University Science and Engineering, 2019, 36(5): 482-488.(in Chinese)
基金项目:国家重点研发计划资助项目(2016YFC0801403);国家自然科学基金资助项目(61771417,51734009,51504214);徐州市科技计划资助项目(KC18068)
作者简介:孙彦景(1977—),中国矿业大学教授、博士生导师.研究方向:无线通信、信息物理系统、无线传感网、工业物联网.E-mail: yjsun@cumt.edu.cn
引文:孙彦景,陈功骁,张亮,等.无人机导航信号的增强及干扰抑制技术[J]. 深圳大学学报理工版,2019,36(5):482-488.
更新日期/Last Update: 2019-09-30