Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John L. Aker0
Date of Patent
January 4, 2011
Patent Application Number
11757872
Date Filed
June 4, 2007
Patent Primary Examiner
Patent abstract
A vehicular traffic surveillance Doppler radar system and method for use of the same are disclosed. In one embodiment, the system comprises a modulation circuit portion for generating modulated FM signals. An antenna circuit portion transmits the modulated FM signals to a target and receives the reflected modulated FM signals therefrom. A ranging circuit portion performs a quadrature demodulation on the reflected modulated FM signals and determines a range measurement based upon phase angle measurements derived therefrom.
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