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Volume 27 Issue 7
Jul.  2005
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Xiong Gang, Zhao Hui-chang, Wang Li-jun. Reconnaissance Signal Recognition of PN Code-Carrier FM Based on Spectral Correlation Method(II)The Modulation Recognition and Parameter Estimation of PN Code-Carrier FM[J]. Journal of Electronics & Information Technology, 2005, 27(7): 1087-1092.
Citation: Xiong Gang, Zhao Hui-chang, Wang Li-jun. Reconnaissance Signal Recognition of PN Code-Carrier FM Based on Spectral Correlation Method(II)The Modulation Recognition and Parameter Estimation of PN Code-Carrier FM[J]. Journal of Electronics & Information Technology, 2005, 27(7): 1087-1092.

Reconnaissance Signal Recognition of PN Code-Carrier FM Based on Spectral Correlation Method(II)The Modulation Recognition and Parameter Estimation of PN Code-Carrier FM

  • Received Date: 2004-01-12
  • Rev Recd Date: 2004-09-27
  • Publish Date: 2005-07-19
  • The reconnaissance signal recogniton of PN code-carrier FM based on Spectral Correlation (SC) method is studied, especially for Pseudo-Randorm Bi-phace Code (PRBC), SFM-PRBC and LFM-PRBC. Based on the character-extraction and analysis of the a-section of SC, the auto-classification of modulation class is investigated, and the carrier frequency and the parameter of FM are estimated. Further, the parameter of PN code are estimated. The influence of the noise and the limited-time of sampling is analyzed. Finally, the simulation shows the advantage of SC in the recognition of reconnaissance signal.
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  • Gini F, Giannakis G B. Frequency offset and timing estimation in slowly varying fading channels: A cyclostation-ary approach [J].IEEE Trans. on Comm., 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],1998:288-291.[3]Mazzenga F, Vatalaro F. Parameter estimation in CDMA multiuser detection using cyclostationary statistics[J].Electronics Letters.1996, 32 (2):179-181[4]Chin-Kang C, Gardner W A. Signal-selective time-differenceof-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.[5]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(Ⅰ)伪码-载波调频信号的谱相关函数.电子与信息学报,2004,27(7),1081-1086.[6]Gardner W A. Measurement of spectral correlation[J]. IEEE Trans. on ASSP, 1986, ASSP-34(5): 1111-1123.[7]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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