Normalization of inductive vehicle detector outputs

Details Normalization of inductive vehicle detector outputs Normalization of inductive vehicle detector outputs

2005-04-05

2005-04-05

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

C340S941000

Reexamination Certificate

active

06876949

ABSTRACT:
Methods and apparatus for such that a measurement made for a given vehicle by a given detector is substantially repeatable using either the same detector from one time to another, or using a different detector. In one embodiment, normalization coefficients are determined by measuring one or more common probe vehicles and standardizing the outputs of the detector(s) to give a consistent output. In another embodiment, normalization coefficients are determined by measuring one or more operating or circuit parameters of the detector circuit(s), and compensating the outputs of the detector(s) for variations in these measured parameters.

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