Scanning laser aircraft surveillance system for carrier flight operations

摘要

Abstract: The Scanning Laser Aircraft Surveillance System (SLASS) uses two scanning infrared laser beams to illuminate retroreflectors located on aircraft landing gears and hook to determine very precisely the azimuthal, ascension, yaw, roll, and pitch angles of the aircraft in the approach corridor. The range, approach velocity, and aircraft type are also determined. Aircraft configuration is determined by the presence or absence of each return signal, and aircraft type is identified with an encoded sequence of retroreflectors on one landing gear. The position of the aircraft is determined by the time in the scan that the beam encounters the retroreflectors. !8