a system of homing guidance wherein both the source for illuminating the target, and the receiver for detecting the energy reflected from the target as the result of illuminating the target, are carried within the missile, raketisisene juhtimissüsteem, mille puhul raketil on nii sihtmärgi markeerimiseks vajalik kiirgusallikas kui ka vastuvõtja, mis avastab sihtmärgilt peegelduva energia