| 一种基于正交编码的天基雷达空中目标检测方法 |
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| 引用本文： | 张牙,王岩飞,闫鸿慧.一种基于正交编码的天基雷达空中目标检测方法[J].南京邮电大学学报(自然科学版),2009,29(1). |
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| 作者姓名： | 张牙 王岩飞 闫鸿慧 |
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| 作者单位： | 中国科学院,电子学研究所,北京,100080 |
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| 摘 要： | 天基雷达由于工作于下视模式,天基雷达接收到的目标回波信号往往会淹没在地球杂波背景中.分析了天基雷达地杂波的产生原因,提出了低PRF时天基雷达空中动目标检测的无杂波区域,然后结合正交编码方式,提出了一种基于正交编码技术的空中目标检测方法.该方法不需要进行复杂的杂波抑制处理,可在一定程度上解决下视雷达面临的强地杂波问题.
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| 关 键 词： | 天基雷达 空中动目标检测 杂波消除 |
A New Method for Airborne Target Detection Using Polyphase Code for Space-based Radar |
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| ZHANG Ya,WANG Yan-fei,YAN Hong-hui.A New Method for Airborne Target Detection Using Polyphase Code for Space-based Radar[J].Journal of Nanjing University of Posts and Telecommunications,2009,29(1). |
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| Authors: | ZHANG Ya WANG Yan-fei YAN Hong-hui |
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| Institution: | Institute of Electronics;Chinese Academy of Sciences;Beijing 100080;China |
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| Abstract: | The use of space based radar for the detection of airborne or even ground moving targets offers an important advantage,namely wide area coverage including areas denied to airborne radars.This paper aims to solve this problem by analyzing the mechanism of clutter generating process and no clutter area of space based radar.Then using the polyphase code,an new method for space based radar airborne target detection is introduced.Compared to conventional target detection method,the new method has a simpler arith... |
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| Keywords: | space based radar AMTI clutter cancellation |
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