Accession Number : ADD015136

Title :   Narrow Band Automatic Phase Control Tracking Circuitry.

Descriptive Note : Patent, Filed 3 Dec 73, patented 23 Jul 91,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Goedeke, Richard C ; Peterson, Roger L

Report Date : 23 Jul 1991

Pagination or Media Count : 6

Abstract : The invention disclosed herein relates in general to an improved circuitry for narrow band frequency tracking system for doppler radar and includes third order phase lock loop circuitry to improve tracking techniques. This enables tracking input frequency variations caused by target maneuvers with substantially smaller tracker bandwidths than is currently possible. (Author)

Descriptors :   BANDWIDTH, DOPPLER RADAR, MANEUVERS, TARGETS, TRACKING

Subject Categories : Active & Passive Radar Detection & Equipment
      Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE