Accession Number : ADD002575

Title :   An Obstacle Detection and Evaluation System.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Warnke,Larry R ; Thompson,Thomas

Report Date : 10 Sep 1975

Pagination or Media Count : 12

Abstract : The patent describes an obstacle detection and shadow measurement system using a scanning radar having a narrow horizontal beamwidth for evaluating impediments to navigation. The invention relates to ultra-sonic frequency radar systems and, more particularly, to a radar method and apparatus suitable for use on polar ice or other surfaces of nearly uniform grade for determining the altitude, azimuth and range of an obstacle to navigation.

Descriptors :   *Terrain analysis radar, *Surface navigation, Terrain avoidance, Radar navigation, Barriers

Subject Categories : Active & Passive Radar Detection & Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE