Accession Number : ADD003426
Title : Doppler Sonar System.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Widener,Maurice W
Report Date : 24 Jun 1975
Pagination or Media Count : 7
Abstract : The patent describes a system of acoustic echo ranging for the measurement of bearing and range to an underwater object which is in motion toward or away from the detection system located at a selected position. A signal design which results in a very high ability to select only the moving objects and reject any signals which return from the surface or bottom of an ocean, river, or lake.
Descriptors : *Doppler sonar, *Patents, Moving target indicators
Subject Categories : Acoustic Detection and Detectors
Distribution Statement : APPROVED FOR PUBLIC RELEASE