| 天波超视距雷达的发展 |
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| 引用本文： | 郭欣,倪晋麟,苏卫民,刘国岁.天波超视距雷达的发展[J].航空学报,2002,23(6):495-500. |
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| 作者姓名： | 郭欣 倪晋麟 苏卫民 刘国岁 |
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| 作者单位： | 1. 南京理工大学,电子工程技术研究中心,江苏,南京,210094
2. 南京电子技术研究所,江苏,南京,210013 |
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| 摘 要： | 天波超视距雷达 (OTHR)是一种利用电离层对高频信号的反射作用自上而下进行目标探测的雷达体制。由于该雷达具有大范围的监视能力、防低空突袭、抗隐身以及早期预警等突出优点 ,受到了许多国家的重视。首先介绍了OTHR的性能特点及发展历史 ,接着就雷达的总体结构、干扰的抑制、由电离层引起的信号失真的校正 ,以及信号检测进行了全面的综述 ,最后指出这一领域今后的发展方向。
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| 关 键 词： | 天波超视距雷达 杂波 干扰 电离层相位扰动 目标检测 |
| 文章编号： | 1000-6893(2002)06-0495-06 |
| 修稿时间： | 2001年11月20 |
DEVELOPMENT OF SKY WAVE OVER-THE-HORIZON RADAR |
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| GUO Xin ,NI Jin lin ,SU Wei min ,LIU Guo sui.DEVELOPMENT OF SKY WAVE OVER-THE-HORIZON RADAR[J].Acta Aeronautica et Astronautica Sinica,2002,23(6):495-500. |
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| Authors: | GUO Xin NI Jin lin SU Wei min LIU Guo sui |
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| Institution: | GUO Xin 1,NI Jin lin 2,SU Wei min 1,LIU Guo sui 1 |
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| Abstract: | The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target. Now OTHR has drawn attention of many countries due to its outstanding advantages, such as the capabilities of wide area surveillance, anti low flying aircraft, anti stealth,early warning, etc . In this paper, the characteristics and development history of OTHR are introduced firstly. Then the radar architecture follows. After that, the techniques on interference suppression, correction of ionospheric contamination, and target detection are reviewed in detail. At the end of this paper, the ways ahead in this field are also pointed out. |
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| Keywords: | sky wave over the horizon radar clutter interference ionospheric phase variation target detection |
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