Naslov
Application of Advanced Decision Techniques in Restricted Characterisation of Materials using Ultrasound

Autori
Stepanić, Josip ; Šakić, Nikola ; Krstelj, Vjera

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
MATEST 2003 / Krstelj, Vjera - Zagreb : Hrvatsko društvo za kontrolu bez razaranja (HDKBR), 2003, 157-166

Skup
NDT Achievements and Challenges

Mjesto i datum
Brijuni, Hrvatska, 28.09.2003. - 30.09.2003

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
materials characterisation; buried objects; mines; discriminant analysis

Sažetak
In materials characterisation using ultrasound, material properties can be determined using ultrasonic wave reflected from the tested object surface. In the application of that technique onto buried object materials characterisation, the environment additionally influences the reflected ultrasonic wave characteristics, through structure and geometry of the contact region between the transfer object and the buried object ; of the transfer object and of the tested object. Extraction of buried object materials characteristics out of the total environment influence requires application of statistically founded signal processing methods and algorithms. In this paper the materials characterisation using ultrasound was conducted on the representative set of buried object materials and corresponding environments. Using the discrimination technique, characteristics of the registered, reflected ultrasonic wave induced by the tested object&#8217 ; s material, are extracted. Results point to applicability of the technique, because of the testing equipment simplicity and reliability of the results obtained.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

POVEZANOST RADA