以美国B-2隐身战略轰炸机和F-22隐身战斗机为例,归纳了雷达波吸收材料(RAM)的使用情况和优缺点,并对其应用技术问题进行了总结,最后分析了RAM的发展趋势。 Taking the US B-2 stealth strategic bombers and F-22 stealth fighter as an example, this paper summarizes the usage, advantages and disadvantages of the radar absorbing materials (RAM), and summarizes the application of the technology. Finally, it analyzes the development trend of RAM .