Chiang Mai Journal of Science, Faculty of Science, Chiang Mai University

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Paper Type	Contributed Paper
Title	Simple Symmetry and Boundary Verification via Airborne Reflected Fundamental and Second Harmonic Ultrasonic Pulse Amplitudes
Author	Kingkeo Siriwitayakorn
Email	kingkeo@chiangmai.ac.th
Abstract: Airborne ultrasonic waves of frequencies ranging from 44.2 KHzto 47.2 KHz were used to investigated the effect of reflector's symmetry and boundary on the reflected fundamental and second harmonic pulse amplitudes. Symmetry was verified by monitoring reflected pulse amplitudes at various rotational angle settings between the reflector and the transeiver set whereas lateral displacements of the reflector with respect to the transeiver were performed during boundary verification experiments. Time scannings of a reflector were also dine and its orientations were deduced.
Start & End Page	59 - 68
Received Date	2003-05-01
Revised Date
Accepted Date	2003-06-19
Full Text	Download
Keyword	symmetry verification, boundary verification, airborne, fundamental, second harmonic, ultrasonic pulse
Volume	Vol.30 No.2 (AUGUST 2003)
DOI
Citation	Siriwitayakorn K., Simple Symmetry and Boundary Verification via Airborne Reflected Fundamental and Second Harmonic Ultrasonic Pulse Amplitudes, Chiang Mai J. Sci., 2003; 30(2): 59-68.
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Time Scanning of Airborne Reflected Fundamental and Second Harmonic Ultrasonic Pulse Amplitudes
page: 19 - 25
Author:Sittisak Siriwitayakorn* and Kingkeo Siriwitayakorn
Vol.30 No.1 (APRIL 2003) View: 561 Download:136

Restricted-range Frequency Scanning of Airborne Reflected Ultrasonic Pulse Amplitudes
page: 23 - 28
Author:Sittisak Siriwitayakorn
Vol.34 No.1 (JANUARY 2007) View: 560 Download:163

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