Accession Number : ADD001156

Title :   Passive Ranging Technique.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Weisbrich,Henry T , Jr

Report Date : 25 Mar 1975

Pagination or Media Count : 6

Abstract : The patent describes a passive ranging system based upon a method of determining a rate of change of the phase to an emitting source comprising a multiplicity of spaced sets of antennas at locations on a slow moving platform which in itself may be moving with respect to the source and whereby the phase relationship will vary to each antenna.

Descriptors :   *Range finding, *Patents, Passive systems, Phase measurement, Phase shift, Antenna arrays, Radio reception

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE