Method and apparatus for detecting a road pavement surface...

Details Method and apparatus for detecting a road pavement surface... Method and apparatus for detecting a road pavement surface...

E - Fixed Constructions

01

C

E01C 23/01 (2006.01) B60R 16/02 (2006.01) B60T 8/172 (2006.01) G01N 29/00 (2006.01) G01N 29/14 (2006.01) G01N 29/32 (2006.01) G08B 19/02 (2006.01)

Patent

CA 2260733

An apparatus for determining a road pavement surface condition over a wide area has a road noise sensor (12). A temporal frequency analyzer (18) converts a road noise signal from the road noise sensor (12) to a temporal frequency signal. A processing circuit (20) receives the temporal frequency signal from the temporal frequency analyzer (18) and analyzes the temporal frequency signal to determine the road pavement surface condition.

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