隐身雷达罩技术研究进展综述

雷达罩作为飞行器的结构/透波功能一体化部件,其隐身要求具有很大的技术挑战性。雷达罩的隐身设计与实现必须保证雷达天线工作频带内的透波功能,实现雷达罩透波/隐身的一体化功能。隐身雷达罩是航空武器装备实现隐身性能的关键部件,对于降低飞行器头向RCS值、提高飞行器的综合性能和作战效能具有举足轻重的作用。文中分析了雷达罩的散射特点,综述了各种雷达罩隐身措施的具体途径及优缺点,重点阐述了频率选择表面技术、电磁带隙、等离子体隐身技术及超材料等技术的特点、实现隐身的作用机理及在隐身雷达罩中的应用,指出了未来发展的趋势。

Review of Radome Stealth Technology

As a structure/ wave-transparent integral part of aerocrafts, the stealth of radome has faced with great challenge. The stealth design and realization of radome must ensure the transmitting function in the working band of radar antenna, to realize the transmit/ stealth integration function. Stealth radome is the key component of aviation weapon equipment. It plays an important role in reducing the head RCS and improving the comprehensive performance and combat effectiveness of aerocraft. The scatter properties of radome are analyzed in this paper, the merit and shortcoming of different radome stealthy approaches are summarized. The characteristics, the mechanism of stealth and the application of frequency selective surfaces, electromagnetic band-gap, plasma stealth and metamaterials in radome stealthy are emphasized introduced. The prospects of radome Stealth technology are given at last