SOUND-WAVE-PROPAGATION VISUALIZATION DEVICE AND METHOD

The sound-wave-propagation visualization device 10 is provided with a sound wave application unit 12 for applying a sound wave having a time waveform represented by a continuous periodic function to a prescribed position on the surface of an object 11 to be measured, a physical quantity measurement...

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Bibliographische Detailangaben
Hauptverfasser:	NAGATA, Yuya, HATAHORI, Takahide, TAKUBO, Kenji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The sound-wave-propagation visualization device 10 is provided with a sound wave application unit 12 for applying a sound wave having a time waveform represented by a continuous periodic function to a prescribed position on the surface of an object 11 to be measured, a physical quantity measurement unit 15 for measuring a periodically varying physical quantity generated by the propagation of the sound wave from the prescribed position through the surface at at least three different phases of the periodic variation, and a periodic function acquisition unit 23 for determining a periodic function expressing the periodic variation of the physical quantity on the basis of the physical quantities at the at least three different phases.