| 释义 |
semiactive homing guidance semiactive homing guidance[¦sem·ē¦ak·tiv ′hōm·iŋ ‚gīd·əns] (navigation) Guidance in which a craft or vehicle is directed toward a target by illuminating the target with radiation from a ground-based or shipborne radar; the missile or other vehicle is equipped with a direction-finding receiver which enables it to home on the target by use of the radar signal reflected from it. semiactive homing guidanceA system of homing guidance in which the receiver in the missile utilizes radiation from the target, which has been illuminated by an outside source. |