| 双基地雷达前向散射地表杂波统计特性分析 |
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| 引用本文： | 胡程,龙腾,曾涛.双基地雷达前向散射地表杂波统计特性分析[J].中国科学：信息科学,2011(8). |
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| 作者姓名： | 胡程 龙腾 曾涛 |
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| 作者单位： | 北京理工大学电子工程系雷达技术研究所; |
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| 基金项目： | 国家自然基金重大项目资助(批准号:60890073,60890071-17,60890072-13) |
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| 摘 要： | 本文通过对杂波实测数据的处理,利用高斯分布模型、指数分布模型、幂指数分布模型及高阶AR等分布模型,得到了双基地雷达前向散射地表杂波概率分布和功率谱分布的数学模型;并从统计理论上解析地推导了杂波统计模型对目标检测性能的影响.基于估计的概率分布、功率谱分布数学模型及广义匹配滤波理论,实现了前向散射地表杂波的有效抑制与目标运动参数的精确估计,并利用实测数据进行了验证.
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| 关 键 词： | 双基地雷达 前向散射地表杂波 杂波概率密度分布 杂波功率谱模型 目标检测性能 |
Statistic characteristic analysis of forward scattering surface clutter in bistatic radar |
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| HU Cheng,LONG Teng & ZENG Tao Radar Research Lab.Statistic characteristic analysis of forward scattering surface clutter in bistatic radar[J].Scientia Sinica Informationis,2011(8). |
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| Authors: | HU Cheng LONG Teng & ZENG Tao Radar Research Lab |
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| Affiliation: | HU Cheng,LONG Teng & ZENG Tao Radar Research Lab,Department of Electronic Engineering,Beijing Institute of Technology,Beijing 100081,China |
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| Abstract: | In this paper,based on the processing results of measured forward scattering clutter data in bistatic radar,using the Gaussian distribution model,Exponential distribution model,Power-Law distribution model,high order Auto-Regressive model and so on,the probability density distribution and power spectrum mathematical model are obtained,and the impact of clutter statistic models on target detection performance is analytically derived from statistic theory.According to the estimated clutter probability distrib... |
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| Keywords: | bistatic radar forward scattering surface clutter clutter probability density function clutter power spectrum model target detection performance |
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