Narrow Band Automatic Phase Control Tracking Circuitry.
Patent, Filed 3 Dec 73, patented 23 Jul 91,
DEPARTMENT OF THE NAVY WASHINGTON DC
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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
- Active and Passive Radar Detection and Equipment
- Electrical and Electronic Equipment