Ultrasonic multi-point roadway surface displacement monitoring device

The invention relates to an ultrasonic multi-point roadway surface displacement monitoring device, which comprises a split type receiving transducer R and a transmitting transducer T which are arranged at the left side of a roadway, two split type transmitting transducers T and a receiving and trans...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU HONGQI, LI JIA, SUN GUANGHUA, LIU JIANZHUANG, GENG QINGYOU, LI JIANMIN, LIU YISHENG, LI ZHANJIN
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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