Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 25, 2011
Patent Application Number
12259573
Date Filed
October 28, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A radar system has a phased-array antenna and plural local oscillators for controlling local transmit/receive units. The local oscillators are slaved to a master oscillator. The analog clock signal paths are subject to relative changes in electrical length. The electrical lengths of the signal paths are measured by phase-detecting forward- and reverse-direction clock signal flows. The phase-detected information for each signal path is a measure of the time delay. The radar command processor receives the measure of time delay and corrects the radar operation in response thereto.
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