The four-anti-technology (antijamming,anti-stealth, anti-RAM, anti-low-altitude-attack) in military field is tied up with thecharacter of radar background clutter.

• 军事领域中的四抗技术(抗干扰、抗RAM、抗隐身、抗低空突防)的实现都与环境杂波特性有着密切联系。