Device for determining water quantity on road surface, has absorption sensor and reference sensor, where every absorption sensor and reference sensor has spectral radiation transmitter and spectral photon detector

• Main Authors: MIESEN, WALTER, KLUFT, WERNER, ISELE, ROLF, DUESSEL, ACHIM, KIPPENBERG, TOBIAS, BURGER, ARMIN
• Format: Patent
• Language: English; German
• Published: 23.10.2008
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; METEOROLOGY; PHYSICS; TESTING

The device has an absorption sensor and a reference sensor, where every absorption sensor and a reference sensor have a spectral radiation transmitter and a spectral photon detector. The photon detector is sensitive for different sensor radiation sent by the radiation transmitters. A signal processi...