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基于匹配信号变换的非线性调频干扰抑制方法 被引量：2

Suppression of Nonlinear Frequency Modulation Interference in DSSS Based on Matched Signal Transform
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摘要 根据匹配信号变换特性,提出了一个基于匹配信号变换(MST)的特定时频结构(双曲线型、指数型)非线性调频干扰的抑制方法.推导和分析了基于匹配信号变换的参数估计均方误差,该误差与相位函数有关.仿真结果验证了该干扰抑制方法不仅能有效抑制单分量、多分量的特定时频结构非线性调频干扰,而且容易实现,提高了干扰抑制算法的时效性. A method of suppressing the non-linear chirp interference with specific time-frequency structure is proposed according to the characteristics of matched signal transform（MST）. The mean square error of pararmeters estimation based MST is analysed. The simulation results showed that this method can not only suppress nonlinear frequency modulation time-varying interference effectively, but improve the real time performance also.
作者 邵高平 安建平
机构地区 北京理工大学信息与电子学院 解放军信息工程大学信息工程学院
出处 《北京理工大学学报》 EI CAS CSCD 北大核心 2010年第1期83-87,共5页 Transactions of Beijing Institute of Technology
关键词 匹配信号变换 干扰抑制 非线性调频干扰 直扩通信系统 matched signal transform interference suppression nonlinear frequency modulation interference direct-sequence spread spectrum（DSSS） communication system
分类号 TN911.7 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

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二级参考文献5

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共引文献7

同被引文献17

  • 1徐海源,周一宇,黄知涛,冯道旺.一种Frank码脉压信号的检测与参数估计方法[J].系统工程与电子技术,2007,29(6):858-861. 被引量：16
  • 2ZHOU S H, LIU H W, ZANG H K, et al. Waveform Construction for Distributed Radar with High Doppler Tolerance [C]//2014 International Radar Coni'erence. Piscataway: IEEE, 2014 : 1-5.
  • 3MILNE P R, PACE P E. Wigner Distribution Detection and Analysis of FMCW and P-4 Polyphase LPI Waveforms [C]//Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing. Piscataway: IEEE, 2002: 3944-3947.
  • 4JENNISON B K. Detection of Polyphase Pulse Compression Wave Forms Using the Radon Ambiguity Transform [J]. IEEE Transactions on Aerospace and Electronic Systems, 2003, 39(1): 335-343.
  • 5LI L, JIANG L. Recognition of Polyphase Coded Signals Using Time-frequency Rate Distribution ~-C]//IEEE Workshop on Statistical Signal Processing. Piscataway: IEEE, 2014: 484-487.
  • 6SHEN H, PAPANDREOU-SUPPAPPOLA A. Wideband Time-varying Interference Suppression Using Matched Signal Transforms [J]. IEEE Transactions on Signal Processing, 2005, 53(7) : 2607-2612.
  • 7ASSOUS S, LINNETT L. Fourier Extension and Hough Transform for Multiple Component FM Signal Analysis [J]. Digital Signal Proeessing, 2015, 36(C) : 115-127.
  • 8殷复莲,卢满宏,郭黎利.测控通信干扰抑制技术综述[J].宇航学报,2009,30(5):1757-1764. 被引量：9
  • 9邵高平,安建平,沈庭芝.直扩系统中基于匹配追踪的调频干扰识别方法研究[J].信号处理,2010,26(1):115-120. 被引量：2
  • 10李宏,秦玉亮,李彦鹏,王宏强,黎湘.基于AF的多相编码脉冲脉内调制参数估计[J].系统工程与电子技术,2010,32(9):1823-1827. 被引量：8

引证文献2

二级引证文献8

北京理工大学学报
2010年 第1期

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