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Volume 28 Issue 6
Jun.  2006
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Lin Jun, Xiong Gang, Wang Zhi-Xue. Study on Reconnaissance Signal Parameter Evaluation of PN and LFM Based on Time-Frequency Analysis[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1045-1048.
Citation: Lin Jun, Xiong Gang, Wang Zhi-Xue. Study on Reconnaissance Signal Parameter Evaluation of PN and LFM Based on Time-Frequency Analysis[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1045-1048.

Study on Reconnaissance Signal Parameter Evaluation of PN and LFM Based on Time-Frequency Analysis

  • Received Date: 2004-11-29
  • Rev Recd Date: 2005-07-08
  • Publish Date: 2006-06-19
  • A time-frequency analysis method for reconnaissance signal recognition of PN and LFM is studied. Wigner time-frequency distribution function for PRBC-LFM reconnaissance signal is deduced. By WVD analysis,features related to carrier frequency, FM slope and PN parameters such as sub-pulse width, code-length and pulse cycle are extracted. Then a method for the parameter evaluation is presented. Finally, analysis results are simulated under Gaussian noise conditions. Simulation show the method is superior to spectral correlation method on PRBC-LFM signal recognition and not limited to relations between bandwidth of FM and spectral width of PN.
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  • Gini F, Giannakis G B. Frequency offset and timing estimation in slowly-varing fading channels: A cyclostationary approach[J]. IEEE Trans. on COM, 1998, COM-46(3): 400-411.[2]Serpedin E, Giannakis G B, et al.. Blind joint estimation of carrier frequency offset and channel using non-redundant periodic modulation procedures[A]. Statistical Signal and Array Processing, 1998, Proceedings Ninth IEEE SP Workshop [C]Beijing, 1998: 288-291.[3]Mazzenga F, Vatalaro F. Parameter estimation in CDMA multiuser detection using cyclostationary statistics[J]. Electronics Letters, 1996, (2): 179-181.[4]Gardner W A, Spooner C M. Detection and sources location of weak cyclostationary signals: simplication of the maximum-likelihood receiver [J]. IEEE Trans. on COM, 1993, COM-41(6): 905-916.[5]Chin-Kang C, Gardner W A. Signal-selective time-difference-of-arrival estimation for passive location of man-made signal sources in highly corruptive environments, part II: Algorithms and performance [J]. IEEE Trans. on SP, 1992, SP-40(5): 1185-1197.[6]熊刚,赵惠昌,林俊. 伪码-载波调频侦察信号识别的谱相关方法(I)伪码-载波调频信号的谱相关函数[J].电子与信息学报.2005, 27(7):1081-1086浏览[7]熊刚, 赵惠昌, 王李军. 伪码-载波调频侦察信号识别的谱相关方法(Ⅱ)伪码-载波调频信号的谱相关函数[J].电子与信息学报.2005, 27(7):1087-1092浏览[8]罗利春著. 无线电侦察信号分析与处理. 北京: 国防工业出版社, 2003, 1: 64-70.
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