期刊文献+

一种高频雷达机动目标检测方法

A Detection Approach to Maneuvering Target in OTH Radar
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摘要 基于线性相位模型的常规相干积累不能用于检测高频雷达机动目标,提出了一种改进的多通道补偿检测方法.首先对补偿后的通道-多普勒谱图进行多通道信息融合处理,将多通道信号检测转变为抗杂波发散的单通道检测,然后引入能量约束准则降低虚警率.理论分析和数据处理表明,该方法性能稳健,运算量和虚警概率都显著降低,具备较强的工程实用性. Since the conventional coherent integration processing technique based on linear phase model can not be used to detect the maneuvering target in the over-the-horizon (OTH) radar,an improved multichannel compensation detection approach is presented in this paper.First the multichannel fusion is performed on the compensated channel-Doppler map,and the multichannel detection is translated into the single channel detection by greatest-of based fusion processing.Then probability of false alarm is greatly reduced by introducing energy constraint rule.Theoretical analysis and real data processing verify that the improved approach has low computation complexity,low false alarm and good robustness.
作者 张晓华 雷志勇 崔炜程 ZHANG Xiaohua,LEI Zhiyong,CUI Weicheng( 1.Department of Land-band Early Warning Equipment, Air Force Early Warning Academy, Wuhan 430019, China ;2The Unit 95980 of PLA, Xiangyang 441021, China;3.Nanjing Research Institute of Electronics Technology, Nanjing 210039, China)
出处 《现代雷达》 CSCD 北大核心 2014年第10期54-57,共4页 Modern Radar
关键词 高频雷达 机动目标检测 多通道补偿 信息融合 能量约束 over-the-horizon radar maneuvering target detection multi-channel compensation method signal fusion energy constraint
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参考文献9

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二级参考文献8

  • 1Gordan J, Frazer, Stuart J, et al. Wigner-ville analysis of HF radar measurements of an accelerating target [C]. 5^th International Symposium on Signal Processing and its Applications, 1999(8) : 317- 320. 被引量:1
  • 2Yasotharan A, Thayaparan T. Time-frequency method for detecting an accelerating target in sea clutter[J]. IEEE Trans. on Aerospace and Electronic System, 2006, 42(4) : 1289 - 1310. 被引量:1
  • 3Wang G, Xia X G, Root B T, et al. Maneuvering target detec tion in over the horizon radar by using adaptive chirplet trans form and subspace clutter rejection[J]. IEE Proceedings on Radar, Sonarand Navigator, 2003, 150(4) : 292 - 298. 被引量:1
  • 4Wang G, Xia X G, Root B T. Moving target detection in over- the-horizon radar using adaptive chirplet transform[J]. IEEE Proceedings of Radar Conference, 2002:77 -84. 被引量:1
  • 5Shimon Peleg, Benjamin Friedlander. The discrete polynomialphase transform[J]. IEEE Trans. on Signal Processing, 1995, 13(8). 被引量:1
  • 6Lu Kun, Liu Xingzhao. Enhanced visibility of maneuvering targets for high-frequency over-the-horizon radar[J]. IEEE Trans. on Antennas and Propagation, 2005, 53(1). 被引量:1
  • 7保铮.雷达信号的长时间积累.高技术通信,1998,. 被引量:1
  • 8Turley M D. Hybrid CFAR techniques for HF radar[J]. IEEE Conference Radar, 1997 : 36 - 40. 被引量:1

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