分布式多站雷达转发式欺骗干扰研究

赵珊珊; 张林让; 李强; 刘洁怡

doi:10.11999/JEIT160118

分布式多站雷达转发式欺骗干扰研究

doi: 10.11999/JEIT160118

基金项目:

国家自然科学基金(61301285, 61301281, 61001213)

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- 文章访问数: 1475
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- 被引次数: 0
出版历程
- 收稿日期: 2016-01-26
- 修回日期: 2016-06-15
- 刊出日期: 2017-01-19

Research on Repeater Jamming Against Distributed Multiple-radar System

Funds:

The National Natural Science Foundation of China (61301285, 61301281, 61001213)

摘要

摘要: 作为一种重要的欺骗干扰样式，转发式干扰通过对雷达发射信号存储转发，形成的距离欺骗假目标在空间上是分散的。而分布式多站雷达进行空间配准时，会将未分布于一个空间分辨单元内的假目标剔除，使之失去干扰效果。因此，有必要研究转发式干扰对分布式多站雷达的干扰能力。该文在多站雷达中各雷达站相距不远的条件下，从空间分辨单元的物理含义入手，导出了多站雷达在一定空间分辨率下，转发式干扰能对其进行有效干扰的条件。当干扰机位于远场区域时，证明了相同时延产生的假目标必然可对多站雷达实现有效欺骗；当干扰机位于近场区域时，推导出有效干扰的欺骗距离范围，通过控制转发延迟量，可保证对多站雷达的欺骗效果。该结论对多站雷达的干扰和抗干扰均具有重要的指导意义。
- 分布式多站雷达 /
- 空间分辨单元 /
- 转发式欺骗干扰 /
- 最大欺骗距离
Abstract: As an effective category of deception jamming, repeater jamming generates range false targets appearing dispersedly by modulating and retransmitting intercepted radar signals. However, distributed multiple-radar system will reject the false targets overstep a space resolution cell automatically in spatial registration. Therefore, it is necessary to discuss the ability of repeater jamming on multiple-radar system. When the distance between different stations is not far, this paper derives the effective jamming condition. When the jammer locates in the far field, it is theoretically proved that the false targets generating by the same delays can always deceive the multiple-radar system. When the jammer locates in the near field, it can also deceive the multiple-radar system by adjusting the time delay. The effective range of time delay is derived. The obtained conclusion is a good guidance for both the jamming and anti-jamming of multiple-radar systems.
- Distributed multiple-radar system /
- Space resolution cell /
- Repeater jamming /
- Maximal deception range

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