Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Ultrasonic Measurement of Skin Surface Deformation
Tokar, Daniel ; Bálek, R.
This paper describes a development of a system for ultrasonic measurement of a human skin surface deformation in-vivo. A measuring method is based on pulse-echo measurements of an ultrasonic wave propagating in the skin surface. The developed measuring system is microprocessor controlled and consists of self designed transmitting and receiving circuits for evaluation of the distance between ultrasonic transducers. The system has been tested and considered as the working prototype.
Evaluation of Ultrasonic Propagation Parameters of the Stressed Skin in Vivo
Kovel, R. ; Převorovský, Zdeněk ; Dos Santos, S.
The propagation of acoustic waves is directly related to the properties of a material. It is interesting to study these waves to characterize the skin. The objective is to identify and evaluate all the nonlinear parameters, with the aid of several different techniques.

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