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A New Ultrasonic Imaging Method in Air Using Vibration Velocity at an Object
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- IMANO Kazuhiko
- Department of Electrical and Electronic Engineering,Graduate School of Akita University
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- SATO Hirohito
- Department of Electrical and Electronic Engineering,Graduate School of Akita University
Bibliographic Information
- Other Title
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- 振動速度情報を用いた超音波イメージングの一方法
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Description
A new ultrasonic imaging method by detecting the surface vibration velocity of a sample placed on the piezoelectric transducer is described. Surface vibration velocity of a sample is optically observed and their simulation is also performed to confirm the necessity of constant voltage drive in generating arbitral velocity waveforms on the surface of piezoelectric transducer. To demonstrate the possibilities of ultrasonic imaging, characters on an object was imaged by measuring the difference in surface vibration velocity between the object and the piezoelectric transducer. An experiment for an aluminum sample shows the effectiveness of our method in non-contact ultrasonic imaging in air. The experimental results suggested that the spatial resolution of the proposed system depend on the spot size of laser light of Doppler vibrometer is also described.
Journal
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- Journal of the Society of Materials Engineering for Resources of Japan
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Journal of the Society of Materials Engineering for Resources of Japan 25 (1_2), 13-19, 2013
The Society of Materials Engineering for Resources of JAPAN
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Details 詳細情報について
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- CRID
- 1390001204346676096
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- NII Article ID
- 130004685657
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- NII Book ID
- AN10140273
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- ISSN
- 18846610
- 09199853
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- HANDLE
- 10295/2956
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed