passive detection system meaning in English

被动探测系统

Passive detection system have high concealing and survival ability , due to not emitting electromagnetic wave . ln recent years , many new techniques have been developed , among which multi - based passive detection has gotten great attentions coming from all over the world
由于被动探测系统本身不发射电磁波，完全是被动工作方式，所以近年来，多站无源探测工作方式日益受到各国的广泛重视。