homing guidance


homing guidance
i. A system in which devices built into a missile enable it to steer and keep on course toward a specific target by reacting to some distinguishing characteristic of the target, such as sound, heat, light, or radar reflectors.
An infrared air-to-air missile with its heat seeker homing head.
ii. Various types of homing guidance are active homing, passive homing, and semi-active homing guidance. It is active homing guidance if the information received is in response to transmissions from the craft, semi-active homing guidance if in response to transmissions from a source other than the craft, and passive homing guidance if natural radiations from the destination are utilized. See also passive homing guidance.
Various types of homing guidance controls.

Aviation dictionary. 2014.