| HPRF PD末制导雷达解距离模糊方法设计 |
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| 引用本文： | 王莹,苏宏艳,朱淮城,袁起. HPRF PD末制导雷达解距离模糊方法设计[J]. 电讯技术, 2010, 50(4): 24-28. DOI: 10.3969/j.issn.1001-893x.2010.04.006 |
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| 作者姓名： | 王莹 苏宏艳 朱淮城 袁起 |
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| 作者单位： | 中国航天科工集团二院,二十五所,北京,100854;中国航天科工集团第二研究院,北京,100854 |
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| 摘 要： | 为了解决高重频脉冲多普勒末制导雷达制导过程中的距离遮挡和距离模糊问题,实现在距离遮挡环境下正常解模糊,提出了相应的解决方法:通过对发射信号重频进行参数设计,可实现在末制导过程中除弹目相遇段以外的任意距离段抗遮挡测距,再利用测得的弹目距离信息切换PRF实现抗遮挡.仿真证明了本方法的有效性和可靠性.发射信号重频的参数设计方法可有效使各脉冲重复频率信号的遮挡区交错分布,从而消除距离遮挡对于脉冲多普勒雷达解距离模糊的影响,准确的解模糊结果又为抗距离遮挡提供了有效保证.
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| 关 键 词： | 高重频 脉冲多普勒雷达 距离遮挡 距离模糊 多脉冲重复频率 参数设计 |
Resolving Range Ambiguity with Multi PRF in HPRF PD Guiding Radar |
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| WANG Ying,SU Hong-yan,ZHU Huai-cheng and YUAN Qi. Resolving Range Ambiguity with Multi PRF in HPRF PD Guiding Radar[J]. Telecommunication Engineering, 2010, 50(4): 24-28. DOI: 10.3969/j.issn.1001-893x.2010.04.006 |
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| Authors: | WANG Ying SU Hong-yan ZHU Huai-cheng YUAN Qi |
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| Affiliation: | No.25 Institute,The Second Academy of China Aerospace, Beijing 100854, China;No.25 Institute,The Second Academy of China Aerospace, Beijing 100854, China;No.25 Institute,The Second Academy of China Aerospace, Beijing 100854, China;The Second Academy of China Aerospace, Beijing 100854, China |
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| Abstract: | Range ambiguity and eclipse are two inherent problems in HPRF PD terminal guiding radar.To solving the problems, a method is proposed. By designing the parameters of transmitting signal properly the range ambiguity can be resolved during the course of terminal guidance. Then the information of distance can be used to solve range eclipse problem by alterable PRF. The method is proved by simulation. The parameter design rule of transmitting signal makes the range eclipse area of each PRF interleaving redistribute. It effectively reduces the effect of range eclipse on resolving range ambiguity, and accurate distance information affords reliable assurance for anti range eclipse. |
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