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Parking sensors capable of determining direction and speed of vehicle entering or leaving a parking lot
Parking sensors capable of determining direction and speed of vehicle entering or leaving a parking lot
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机译:停车传感器能够确定进入或离开停车场的车辆的方向和速度
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摘要
A parking inventory management system includes a sensor apparatus with a plurality of magnetometers each configured to respectively generate a magnetic signatures of a vehicle as it drives across the sensor apparatus. A computing device is associated with the sensor apparatus and compares the magnetic signatures of the vehicle generated by each of the plurality of magnetometers to the magnetic signatures of the vehicle generated by each other magnetometer of the plurality thereof so as to determine a direction of the vehicle. A match between the magnetic signature of the vehicle as generated by at least two of the plurality of magnetometers indicates that the direction of travel of the vehicle is along a direction between those two of the plurality of magnetometers. A speed of the vehicle is derived as a function of a time difference between points of peak similarity between matching magnetic signatures of the vehicle.
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