Generation of a sequence of pulse trains
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United States of America Patent
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Apr 24, 2007
Grant Date -
Nov 24, 2005
app pub date -
Jan 21, 2003
filing date -
Jan 21, 2002
priority date (Note) -
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Abstract
A pulse sequence is produced by repeatedly selecting individual pulse trains at random from a set thereof, each pulse train meeting predetermined autocorrelation constraints and the pulse trains collectively meeting predetermined cross-correlation constraints. The pulse trains are preferably separated by gaps of random length. At least some pulse trains may be time-reverse replicas of others. The resulting sequences are particularly suitable for obstacle detection in multiuser environments.
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