摘要
分析了反辐射无人机(ARUAV)常用的时间鉴别技术——脉冲前沿跟踪技术对抗多点源诱偏(诱饵+雷达)系统的可用性。以正三角形布阵的三点源诱偏系统为例,分析了空间各点雷达与诱饵信号到达无人机被动导引头(PRS)的时序关系,证明了无论被动雷达导引头位于空间中的任何位置,两个诱饵信号中至少有一个诱饵信号是可能提前到达该被动雷达导引头的。进而分别建模仿真,讨论了时域鉴别法在Δτ=d/c、Δτ≠d/c以及无人机处于不同高度时完成任务的效果。结果表明,利用该技术,无人机的被动雷达导引头可以在很大的空域内及时发现先到达的诱饵信号,测量其信号源的方向,进行逐一跟踪和攻击,实现突防压制和通道清理等任务。
The time-domain discrimination technique commonly employed by anti-radiation unmanned aerial vehicle（ARUAV）, called the pulse leading-edge tracking technique, is analyzed for the possibility of countering multi-active source decoy radar system. Taking three radiation sources with triangular deployment as an example, the arriving time relationship to passive radar seeker（PRS） of ARUAV is analyzed among ra- dar and decoy signals firstly. It is verified that at least one decoy signal from the two decoys is likely to arrive at the PRS before the radar signal does, regardless of their positions in space. Then by modeling and simula tion, the effectiveness of the time-domain discrimination technique is discussed under the conditions of △τ=d/c and △τ≠d/c with the ARUAV at different heights. It is demonstrated that the PRS of ARUAV is able to pick up the leading edge of the arriving decoy pulses by this technique, measure the direction of the signal source, and track and attack the source consequently one by one, which helps accomplishment of missions of penetration and raid aisle clearance.
出处
《雷达科学与技术》
2011年第6期496-501,共6页
Radar Science and Technology
关键词
反辐射无人机(ARUAV)
时域鉴别
脉冲前沿跟踪
三点源诱偏系统
anti-radiation unmanned aerial vehicle（ARUAV）
time-domain discrimination
pulse lead- ing-edge tracking technique
decoy system of three-radiation sources
