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