分布式多站雷達(dá)轉(zhuǎn)發(fā)式欺騙干擾研究

趙珊珊; 張林讓; 李強(qiáng); 劉潔怡

doi:10.11999/JEIT160118

分布式多站雷達(dá)轉(zhuǎn)發(fā)式欺騙干擾研究

doi: 10.11999/JEIT160118 cstr: 32379.14.JEIT160118

基金項(xiàng)目:

國家自然科學(xué)基金(61301285, 61301281, 61001213)

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出版歷程
- 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: 作為一種重要的欺騙干擾樣式，轉(zhuǎn)發(fā)式干擾通過對(duì)雷達(dá)發(fā)射信號(hào)存儲(chǔ)轉(zhuǎn)發(fā)，形成的距離欺騙假目標(biāo)在空間上是分散的。而分布式多站雷達(dá)進(jìn)行空間配準(zhǔn)時(shí)，會(huì)將未分布于一個(gè)空間分辨單元內(nèi)的假目標(biāo)剔除，使之失去干擾效果。因此，有必要研究轉(zhuǎn)發(fā)式干擾對(duì)分布式多站雷達(dá)的干擾能力。該文在多站雷達(dá)中各雷達(dá)站相距不遠(yuǎn)的條件下，從空間分辨單元的物理含義入手，導(dǎo)出了多站雷達(dá)在一定空間分辨率下，轉(zhuǎn)發(fā)式干擾能對(duì)其進(jìn)行有效干擾的條件。當(dāng)干擾機(jī)位于遠(yuǎn)場區(qū)域時(shí)，證明了相同時(shí)延產(chǎn)生的假目標(biāo)必然可對(duì)多站雷達(dá)實(shí)現(xiàn)有效欺騙；當(dāng)干擾機(jī)位于近場區(qū)域時(shí)，推導(dǎo)出有效干擾的欺騙距離范圍，通過控制轉(zhuǎn)發(fā)延遲量，可保證對(duì)多站雷達(dá)的欺騙效果。該結(jié)論對(duì)多站雷達(dá)的干擾和抗干擾均具有重要的指導(dǎo)意義。
- 分布式多站雷達(dá) /
- 空間分辨單元 /
- 轉(zhuǎn)發(fā)式欺騙干擾 /
- 最大欺騙距離
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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