Technology of Communication Interference Suppression in PD Radars Based on MEMD

被引:0
|
作者
Ren, Jiaqi [1 ]
Dai, Xuchu [1 ]
Wang, Ning [2 ]
Li, Hui [1 ]
机构
[1] Univ Sci & Technol China, Chinese Acad Sci, Sch Informat Sci & Technol, Key Lab Wireless Opt Commun, Hefei 230026, Anhui, Peoples R China
[2] Nanjing Res Inst Elect Technol, Nanjing 210039, Jiangsu, Peoples R China
关键词
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, an interference suppression scheme for pulse Doppler (PD) radars with the presence of communication interference is presented based on the multivariate empirical mode decomposition (MEMD) method. Pulses with the different spectrum characteristics are firstly permuted to compose a multivariate signal, and then a modified MEMD method is applied to obtain the intrinsic mode functions (IMFs). Finally, the communication interferences are cancelled in the interfered IMFs by reconstruction and subtraction. Simulation results are presented to demonstrate the feasibility and practicability, and the proposed scheme is also verified having superior performance over the existing algorithms.
引用
收藏
页码:1609 / 1613
页数:5
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