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