Police traffic radar using FFT processing to find fastest target

Details Police traffic radar using FFT processing to find fastest target Police traffic radar using FFT processing to find fastest target

1996-08-09

1997-11-25

Sotomayor, John B.

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

Determining velocity

342115, G01S 1350

Patent

active

056917244

ABSTRACT:
A police radar utilizing digital data transmission from the antenna unit to a separately housed counting and display unit. The antenna has a double balanced mixer to suppress even order harmonics. The counting and display unit has a computer programmed to perform digital signal processing on the digital data received from the antenna to improve the quality and accuracy of calculated speeds for patrol speed, strongest target speed and fastest target speed. Fastest target speed can be displayed simultaneously with strongest target speed. Signal processing techniques are used to suppress false signals caused by double and triple bounce, harmonics, intermodulation products, video display terminal interference, etc.

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