- Active homing guidance system mostly adopts the pulse Doppler system. Therefore, research has important significance for radar seeker simulation.
- Based on introducing importance of "antenna to zero", introduces project of realizing homing radar "antenna to zero" based on ATE technology.
- Active homing,semi-active homing,passive homing and combined homing are basic radio homing systems for missiles.
- Passenger car of active home long-distance railroad basically has " hard a " , " lies forcedly " and " of " soft sleeper a few kinds of models.