Frequency phase correction system
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United States of America Patent
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Apr 19, 2011
Grant Date -
Jul 28, 2005
app pub date -
Nov 24, 2004
filing date -
May 18, 2000
priority date (Note) -
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Abstract
A frequency phase correction system and method are described that provides a receiver with a greater ability to lock onto relatively weak radio frequency signals by determining and estimating an amount of frequency error in a local frequency reference of the receiver, and using the error estimate to maintain frequency coherence with a received signal, thereby allowing tracking over a longer period of time, enabling longer integration times to capture weaker signals without losing frequency coherence.
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