| 正弦调频引信的信道泄漏和干扰机理 |
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| 引用本文： | 韩传钊,施聚生,崔占忠. 正弦调频引信的信道泄漏和干扰机理[J]. 北京理工大学学报(英文版), 1999, 8(4): 392-397 |
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| 作者姓名： | 韩传钊 施聚生 崔占忠 |
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| 作者单位： | 北京理工大学机电工程系,北京,100081 |
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| 基金项目： | 教育部高等学校博士学科点专项科研基金;; |
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| 摘 要： | 目的研究调频引信的干扰机理,获取调频引信干扰信号设计的理论依据. 方法对正弦调频引信进行时域和频域分析,找出调频引信的信道泄漏机制,并利用数学分析设计干扰信号波形. 结果证明了由于引信接收机混频器的非线性特性,调频引信中存在信道泄漏,具体设计了正弦调频引信的干扰信号. 结论利用信道泄漏设计的干扰信号,不是使用传统的模拟回波的干扰方法,它仅依靠干扰信号自身的特点即可对正弦调频引信进行有效干扰. 作者在此只具体研究了正弦调频引信,但这种干扰原理适用于各种调频体制的引信.
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| 关 键 词： | 调频引信 信道泄漏 干扰机理 干扰信号 |
| 收稿时间： | 1998-09-14 |
Sinusoidal FM Fuze's Channel Leak and Its Jamming Mechanism |
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| Han Chuanzhao,Shi Jusheng and Cui Zhanzhong. Sinusoidal FM Fuze's Channel Leak and Its Jamming Mechanism[J]. Journal of Beijing Institute of Technology, 1999, 8(4): 392-397 |
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| Authors: | Han Chuanzhao Shi Jusheng Cui Zhanzhong |
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| Affiliation: | Department of Engineering Safety, Beijing Institute of Technology, Beijing 100081;Department of Engineering Safety, Beijing Institute of Technology, Beijing 100081;Department of Engineering Safety, Beijing Institute of Technology, Beijing 100081 |
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| Abstract: | Aim To get the theory base of designing FM fuze's jamming signal, its jamming mechanism was studied. Methods A sinusoidal FM fuze was analyzed in time domain and frequency domain and the concept of channel leak was presented. Results It was proved that information channel leak exists in FM fuze because of the nonlinear property of the mixer. The jamming signal was designed based on the channel leak and the jamming mechanism was analyzed in detail. Conclusion This kind of jamming signal can jam the sinusoidal FM fuzes effectively just depending on the jamming signal's feature itself. It's different from the traditional jamming way of simulating echo. Though the sinusoidal FM fuze was just analyzed, the principle is applicable to all FM fuzes. At the same time, it may be used as the reference for FM radar and communication countermeasures. |
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| Keywords: | FM fuze channel leak jamming mechanism jamming signal |
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