Traffic radar system with improved patrol speed capture
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United States of America Patent
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Aug 15, 2006
Grant Date -
Nov 17, 2005
app pub date -
Mar 9, 2005
filing date -
May 14, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A traffic radar captures the patrol vehicle return signal by saving the patrol return when the radar system is placed in a standby state. If the radar is in standby for more than a predetermined period of time before reentering a transmitting mode, the system searches for a new patrol signal within a speed window around the saved patrol signal speed. If the radar is in standby for less than the predetermined period of time, the system initially searches for a new patrol signal over a range that excludes an interval around the saved patrol signal speed. If the new patrol signal is not found, then in a subsequent search the interval is included in the searched spectrum.
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