Vol. 63 No. 4 (2008)

Published: 2008-12-18

ULTRASONIC AND ACOUSTIC MEASUREMENTS

Ultrasound velocity measurements in liquid media

B. Voleišienė, A. Voleišis

7-19
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Ultrasonic method for measurement of mobile object coordinates

R. Kažys, L. Mažeika, O. Tumšys

20-24
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Analysis of the interpolation techniques for time-of-flight estimation

L. Svilainis, V. Dumbrava

25-29
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Spread spectrum signal performance investigation in a bandlimited channel

L. Svilainis, G. Motiejūnas

30-34
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Group velocity estimation of Lamb waves based on the wavelet transform

D. Waltisberg, R. Raišutis

35-40
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WAVE RADIATION AND PROPAGATION

Verification of the acoustic computer model for the case of two tilted planar reflectors

E. Jasiūnienė, R. Šliteris, L. Mažeika, R> Kažys

41-45
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Investigation of focusing possibilities of convex and cylindrical phased arrays

R. Kažys, L. Kairiūkštis

46-51
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The fast technique for calculation of ultrasonic field of rectangular transducer

L. Mažeika, M. Gresevičius

52-56
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A study of the design and the radiation patterns of rectangular bimorph acoustic transducers with thin piezoelectric ceramic plates

A. Petrauskas

57-65
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APPLICATIONS IN BIOLOGY AND MEDICINE

A non-invasive expert system for diagnosis of intraocular tumours: the system concept

A. Paunksnis, V. Barzdžiukas, R. Kažys, R. Raišutis, A. Lukoševičius, M. Paunksnis, A. Janušauskas, V. Marozas, D. Jegelevičius, S. Daukantas, S. Kopsala, S. Kurapkienė, L. Kriaučiūnienė, R. Jurkonis

66-72
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