Vol. 62 No. 4 (2007)

Published: 2007-12-14

ULTRASONIC AND ACOUSTIC MEASUREMENTS

Optimization of transducer arrays parameters for efficient excitation of Lamb waves

L. Mažeika, R. Kažys, A. Maciulevičius

7-15
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Evaluation of the ultrasonic transducer electrical matching performance

L. Svilainis, V. Dumbrava

16-21
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Modelling of 3D reflections from triangles using the Huygens approach

E. Jasiūnienė

22-27
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Influence of the object edge on the efficiency of Lamb wave excitation

A. Maciulevičius, R. Kažys, L. Mažeika

28-31
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WAVE PROPAGATION AND VIBRATION

Development of the theoretical model of acoustic field on the basis of FEM and analysis of effectiveness

R. Mikalauskas, V. Volkovas

32-35
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Analysis of influence of data quantity to measurement uncertainty in vibration monitoring systems

M. Eidukevičiūtė, V. Volkovas

36-38
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Sound insulation of multi-layer cylindrical structures

D. Gužas

39-41
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Investigation of ultrasonic waveguides for medical therapy

A. Bubulis, Ž. Vyšniauskienė, A. Chigarev, V. Minchenya

42-44
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APPLICATIONS IN BIOLOGY AND MEDICINE

The use of echospectral methods of tissue evaluation for follow-up of brachytherapy treatment

A. Paunksnis, S. Kurapkienė, A. Mačiulis, A. Lukoševičius, M. Špečkauskas

45-48
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Ultrasonic biometry of slightly myopic children eyes

L. Kriaučiūnienė, A. Paunksnis, R. Aukštikalnienė

49-52
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