| 摘要 |
<p>A system (10) for detecting a sound level of vehicles comprising sensor units (14, 22, 24, 26) for detecting vehicles on a road and for measuring a sound level of a detected vehicle. A data processing unit (16, 40) is connected to the sensor units (14, 22, 24, 26) and has an identification recorder (46) for operating (100) the system (10) by recording an identification of the vehicle detected if the sound level is above a given value.</p> |
