Traffic radar system with improved patrol speed capture

Details Traffic radar system with improved patrol speed capture Traffic radar system with improved patrol speed capture

2006-08-15

2006-08-15

Gregory, Bernarr E. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Determining velocity

C342S114000, C342S115000, C342S175000, C342S195000

Reexamination Certificate

active

07091901

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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