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干噪比估算新方法及被动跟踪精度问题研究 被引量：1

A New Method of Estimating Jam-Noise Ratio and Research on Passive Tracking Precision
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摘要 本文从空间干扰源及其散射体的概念出发,分析并指出主动雷达进行被动跟踪时,干扰源散射体的散射功率从旁瓣进入接收机,是影响跟踪精度的主要"噪声功率",分别给出了跟踪主瓣接收的干扰源干扰功率和跟踪旁瓣接收的干扰源散射体的散射功率计算公式,重点分析了干扰源若干空间以外搜索波束接收的干扰功率的特点,提出了一种用搜索波束接收的干扰功率代替不容易计算的跟踪旁瓣接收的散射功率来估算干噪比的新方法,分析和试验结果表明这种代替和估计是正确和合理的. When passive tracking a jammer by a phased array active radar,the scattering power from scatters of the jammer enters the receiver through sidelobes,which is the main noise power to influence tracking precision.The formulas to calculate the jamming power from the jammer received by mainlobe and the scattering power from scatters of the jammer through sidelobes are derived.The characteristic of the jamming power received by searching beams outside certain space around the jammer is analyzed in detail and a new method of estimating jam-noise ratio is presented： the jamming power received by searching beams is substituted for the scattering power hard to get actually. Analysis and experiments show the substitution and estimation are reasonable and feasible.
作者 张伯彦 李少洪
机构地区 北京航空航天大学电子信息工程学院 航天科工集团二院二十三所
出处 《电子学报》 EI CAS CSCD 北大核心 2009年第9期1895-1899,共5页 Acta Electronica Sinica
关键词 抗干扰技术 被动跟踪 干噪比 相控阵雷达 anti-jamming technology passive tracking jam-noise ratio phased array radar
分类号 TN95 [电子电信—信号与信息处理]
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参考文献6

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同被引文献21

  • 1Moore F W. A methodology for missile countermeasures optimization under uncertainty[J]. Evolutionary Compu- tation, 2002, 10(2) .. 129-149.
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  • 3GAO. Airborne electronic attack: achieving mission objec tives depends on overcoming acquisition challenges, GAO- l2 175[R]. Washing, D. C. : GAO, 2012.
  • 4MartinoAD.现代电子战系统导论[M].姜道安,等,译.北京:电子工业出版社,2014:5-18.
  • 5Rao G A, Mahulikar S P. New criterion for aircraft sus ceptibility to infrared guided missiles[J]. Aerospace Sei ence and Technology, 2005, 9(8): 701-712.
  • 6Sonawane H R, Mahulikar S P, Tactical air warfare: ge neric model for aircraft susceptibility to infrared guided mis siles[J]. Aerospace Science and Technology, 2011, 15(4) 249-260.
  • 7司锡才,司伟建.现代电子战导论[M].哈尔滨:哈尔滨工程大学出版社,2012:218-310.
  • 8Li X, Zhen J N. Information theory-based amendments of SAR jamming effect evaluation[C]//2012 6th International Conference on Internet Computing for Science and Engi- neering (ICICSE), 2012: 159 162.
  • 9Li N J, Zhang Y T. A survey of radar ECM and ECCM [J]. IEEE Transactions on Aerospace and Electronic Sys- tems, 1995, 31(3).- 1110 1118.
  • 10Farina A. Electronic counter countermeasures[ M]. SkolnikM I. Radar Handbook (3rd Edition). New York: The McGraw-Hill Companies lnc, 2008.

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电子学报
2009年 第9期

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