Police traffic radar for allowing manual rejection of incorrect

Details Police traffic radar for allowing manual rejection of incorrect Police traffic radar for allowing manual rejection of incorrect

1995-02-10

1996-10-15

Eldred, J. Woodrow

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

With particular circuit

Display

342175, 342104, 340936, G01S 1560

Patent

active

055658717

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, ntermodulation products, video display terminal interference, etc.

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Craig Paterson, Speed Enforcement Technology, An explanation of the latest features and capabilities of speed detection equipment, Law and Order, vol. 41, No. 9, Sep. 1993, pp. 32-41.

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