Microwave direction of travel detector by parallel sampling

Details Microwave direction of travel detector by parallel sampling Microwave direction of travel detector by parallel sampling

G - Physics

01

S

G01S 13/62 (2006.01) G01S 13/56 (2006.01) G08B 13/181 (2006.01) G01P 13/00 (2006.01)

Patent

CA 2639436

A microwave direction of travel detector and method of detecting the direction of an intruder in a protected region. The microwave direction of travel detector transmits and receives, by a microwave transceiver a microwave signal directed toward a protected area. The microwave return signal is modulated by a moving target to produce a Doppler signal. The received Doppler signal is amplified by a chain of amplifiers having two or more amplifiers coupled to the microwave transceiver. A controller monitors the output of each chain of the amplifiers. The microwave sensor is configured for parallel sampling an amplified Doppler signal output from each amplifiers having a low signal output and each successive chain of the amplifiers a successively higher signal output. The controller determines if there is a direction of travel motion from the intruder and sends an alarm.

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