| 局部熵算法在机载PD雷达杂波跟踪中的应用 |
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| 引用本文： | 张弓,朱兆达,周亦南.局部熵算法在机载PD雷达杂波跟踪中的应用[J].电子学报,2003,31(9):1295-1298. |
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| 作者姓名： | 张弓 朱兆达 周亦南 |
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| 作者单位： | 南京航空航天大学信息科学与技术学院,江苏南京 210016 |
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| 摘 要： | 本文介绍一种用于机载PD雷达的杂波跟踪技术,结合机载PD雷达杂波分布特征和局部熵算法的特点,将局部熵算法用于杂波跟踪,提出一种最大局部熵相似性判决准则对经过局部熵滤波后的仿真数据进行分割处理;将局部熵滤波与K邻域滤波结合,构成混合型滤波器,经仿真实验,得到了满意的杂波边缘提取结果.
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| 关 键 词： | PD雷达 杂波跟踪 图像处理 局部熵 K邻域滤波 专家系统 |
| 文章编号： | 0372-2112(2003)09-1295-04 |
| 收稿时间： | 2002-05-27 |
Application of Local Entropy Algorithm on Clutter Tracking |
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| ZHANG Gong,ZHU Zhao da,ZHOU Yi nan.Application of Local Entropy Algorithm on Clutter Tracking[J].Acta Electronica Sinica,2003,31(9):1295-1298. |
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| Authors: | ZHANG Gong ZHU Zhao da ZHOU Yi nan |
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| Affiliation: | College of Information Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing,Jiangsu 210016,China |
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| Abstract: | This paper introduces a clutter tracking technique used for airborne PD radar.Combining the clutter feature of airborne PD radar and characteristic of local entropy algorithm,we apply this algorithm to the clutter tracking.We propose the judging criteria of similarity to maximum local entropy that is used to segment the simulated data after local entropy filter.The hybrid filter,which is composed of K nn filter and local entropy filter,has been used to get clutter edge detection.This scheme has been verified to be successful in several typical experiments. |
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| Keywords: | PD radar clutter tracking image processing local entropy K nn filter expert system |
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