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基于逆高斯分布的复合高斯海杂波建模研究 被引量：9

Modeling of Compound-Gaussian Sea Clutter Based on an Inverse Gaussian Distribution
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摘要 复合高斯(CG)分布模型广泛应用于非高斯杂波建模,其纹理分量决定了杂波的非高斯特性。该文采用逆高斯分布的纹理分量建立了一种双参数复合高斯分布海杂波模型,即逆高斯-复合高斯(IG-CG)分布,并推导了其统计特性。同时,利用IPIX型雷达杂波数据进行拟合分析,结果表明该文建立的双参数IG-CG分布模型相对于单参数IG-CG分布模型和K分布模型,其残差平方和平均降低了30%和60%,能够更加准确地与实测数据相吻合。 The Compound-Gaussian（CG） distribution is widely used for modeling non-Gaussian clutter,as its texture component describes the non-Gaussian properties of the clutter.In this paper,a CG model with an inverse-Gaussian texture distribution,called the Inverse-Gaussian Compound-Gaussian（IG-CG） distribution,is proposed,and its distributional properties are derived.IPIX radar lake-clutter measurements have been analyzed,and the results show that the two-parameter IG-CG distribution model fits real radar data better than a single parameter IG-CG distribution model or a K distribution model.
作者 闫亮 孙培林 易磊 韩宁 汤俊
机构地区 北京林业大学工学院 清华大学电子工程系 北京林业大学理学院
出处 《雷达学报（中英文）》 CSCD 2013年第4期461-465,共5页 Journal of Radars
基金 国家自然科学基金(61171120)资助课题
关键词 海杂波 复合高斯(CG)分布 K分布 IG-CG分布 Sea clutter Compound-Gaussian（CG） distribution K distribution IG-CG distribution
分类号 TN957 [电子电信—信号与信息处理]
  • 相关文献

参考文献11

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二级参考文献28

  • 1曹晨,王小谟.关于雷达杂波性质研究的若干问题[J].现代雷达,2001,23(5):1-5. 被引量：50
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共引文献35

同被引文献48

  • 1谢常清,杨俊岭.雷达海杂波尖峰时频分布特性研究[J].现代雷达,2008,30(5):10-13. 被引量：6
  • 2梅孝安.IPIX雷达海尖峰统计特性研究[J].飞行器测控学报,2007,26(2):19-23. 被引量：2
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引证文献9

二级引证文献29

雷达学报（中英文）
2013年 第4期

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