Method and device for detecting a rotating wheel

摘要

The invention relates to a method for detecting a rotating wheel (4) of a vehicle (1), which is driving on a roadway (2) in a driving direction (3) and the wheels (4) of which are exposed laterally at least partially, comprising the following steps: emitting an electromagnetic measurement beam (9) having a known time curve of the frequency thereof to a first region above the roadway (2) in a direction obliquely relative to the vertical (V) and normally or obliquely relative to the driving direction (3); receiving a reflected measurement beam (9) and recording the time curve of the frequencies thereof relative to the known curve as a received frequency mixed curve (20); and detecting a continually ascending or descending band (22) of frequencies over a time period in the received frequency mixed curve (20) as the wheel (4). The invention furthermore relates to a device (7) for carrying out the method.