对雷达回波的无源电磁调控技术及其发展

电磁超材料的进步推动了其在雷达电磁调控中的应用,并成为当前电磁防护、隐身、对抗等领域的技术前沿。首先介绍了无源电磁调控技术的原理及其特点,着重探讨了几种典型雷达无源电磁调控技术,包括雷达角反射器、雷达吸波材料、可重构电磁超材料,以及基于Van Atta阵列的无源电磁调控技术。然后通过对各种无源电磁调控技术发展历程及相应设备研制情况的系统总结,详细论述了各种电磁调控技术的优缺点。最后指出,由于无源电磁调控技术的天然优势,未来它在雷达对抗、雷达目标特征控制等领域将具有良好的应用前景。

Passive electromagnetic manipulation technology to radar echo and its development

The progress of electromagnetic metamaterial promotes its application in radar electromagnetic manipulation and the research about electromagnetic metamaterial has become a hotspot in the fields of electromagnetic protection, electromagnetic stealth and electromagnetic countermeasure. First, the principle and characteristics of passive electromagnetic manipulation are introduced, and several typical passive electromagnetic manipulation techniques of radar including radar corner reflector, radar absorbing materials, reconfigurable electromagnetic metamaterial and Van Atta array are discussed. Then, this paper sums up the current situation of passive electromagnetic manipulation technology and the development of corresponding equipment systematically. The advantages and disadvantages of various electromagnetic manipulation technologies are analyzed in detail. Finally, the paper points out that electromagnetic manipulation will have a broad application future in the field of radar electromagnetic countermeasure and radar target feature control due to its natural advantages.