Made available in DSpace on 2020-12-12T02:45:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-07-01; Ultrasonic phase velocity spectroscopy is a very sensitive technique used in the measurement of material properties. In a phase velocity calculation, ambiguities can arise in the spectral phases, in the form of integer multiples of 2π rad, which, if not corrected, results in large errors. In this work, ...
Made available in DSpace on 2019-10-04T12:38:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-08-01; Instituto de Salud Carlos III; FEDER; This work presents an affordable and easily customizable methodology for phantom manufacturing, which can be used to mimic different anatomic organs and structures. This methodology is based on the use of polyvinyl alcohol-based cryogels as a physical substitute for...
Made available in DSpace on 2018-12-11T17:11:46Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-11-01; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Ministerio de Economía y Competitividad; This paper focuses on the use of a Lamb wave-based methodolog...