干扰合成孔径雷达的时延脉间抖动转发干扰模式研究

doi:10.3969/j.issn.1000-1093.2012.09.002

兵工学报 ›› 2012, Vol. 33 ›› Issue (9): 1031-1035.doi: 10.3969/j.issn.1000-1093.2012.09.002

干扰合成孔径雷达的时延脉间抖动转发干扰模式研究

黄洪旭¹，周一宇²

（1.中南林业科技大学计算机与信息工程学院, 湖南长沙 410004；2.国防科学技术大学电子科学与工程学院湖南长沙 410073）

收稿日期:2010-12-09 修回日期:2010-12-09 上线日期:2014-03-04
作者简介:黄洪旭(1975—)，男，博士

Study on Time-delay Inter-pulse Jitter Repeater Jamming Style to Interfere Synthetic Aperture Radar

HUANG Hong-xu¹, ZHOU Yi-yu²

（1.School of Computer and Information Engineering, Central South University of Forestry and Technology,2.School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan, China）

Received:2010-12-09 Revised:2010-12-09 Online:2014-03-04

摘要/Abstract

摘要： 针对部分相干干扰存在干扰区域和干扰功率损失之间的矛盾，提出了一种合成孔径雷达干扰信号：时延脉间抖动转发干扰。在合成孔径时间内，该转发干扰的脉间时延在一个微小的时间范围内随机变化。研究表明，新的干扰信号可获得合成孔径雷达（SAR）距离向匹配处理增益，其成像输出为在距离向占据一定宽度的似噪条带。因此其优于噪声干扰和存在干扰参数失配的其他同类干扰，且易于实现。文中给出了理论推导，并用仿真实验验证了干扰的有效性。

关键词: 信息处理技术, 合成孔径雷达, 压制干扰, 相干干扰, 转发干扰, 移频干扰, 时延

Abstract: Aimed at the contradiction between interference regional coverage and interference power loss in partly coherent jamming styles, a new partly coherent jamming style against synthetic aperture radar (SAR), time-delay inter-pulse jitter repeater jamming is proposed. In the synthetic aperture time, the inter-pulse time delay of this repeater jamming varies randomly in a small time range. The research shows that this repeater jamming can obtain the whole matched processing gains in range dimension and its SAR imaging output is a similar noise swath, covering a part of fast time domain as well as the whole slow time domain. Thus, it is superior to both noise jamming and other interferences which have dismatched jamming parameters. And it can be implemented easily. The theoretic analysis is given and its performance is verified by simulation.

Key words: information processing, synthetic aperture radar, suppression jamming, coherent jamming, repeater jamming, shift-frequency jamming, time delay

中图分类号:

TN974

黄洪旭，周一宇. 干扰合成孔径雷达的时延脉间抖动转发干扰模式研究[J]. 兵工学报, 2012, 33(9): 1031-1035.

HUANG Hong-xu, ZHOU Yi-yu. Study on Time-delay Inter-pulse Jitter Repeater Jamming Style to Interfere Synthetic Aperture Radar[J]. Acta Armamentarii, 2012, 33(9): 1031-1035.

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干扰合成孔径雷达的时延脉间抖动转发干扰模式研究

Study on Time-delay Inter-pulse Jitter Repeater Jamming Style to Interfere Synthetic Aperture Radar

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