A method and apparatus are disclosed for scanning a surface of an object, transversely to a direction of motion. A scanner is provided for flying over the object at a flight altitude and flight velocity, having a system focal length, a scanning element rotating at a rotation speed which scans a...http://www.google.fr/patents/US5712678?utm_source=gb-gplus-shareBrevet US5712678 - Method and apparatus for scanning a terrain surface
Method and apparatus for scanning a terrain surface
