eprintid: 141
rev_number: 15
eprint_status: archive
userid: 4
dir: disk0/00/00/01/41
datestamp: 2013-06-14 09:12:39
lastmod: 2013-11-04 15:54:13
status_changed: 2013-06-14 09:12:39
type: thesis
metadata_visibility: show
creators_name: Di Giacomo, I. C.
title: Analisi Prestazioni Array A Ultrasuoni Basati Su ADS
ispublished: pub
subjects: TK
full_text_status: public
keywords: TPCW
abstract: I sistemi per imaging a ultrasuoni, impiegati in ambito sonar e biomedicale, si basano su array di trasduttori elettro-acustici di tipo lineare o planare. Il design di tali array è attualmente basato su diverse tecniche, tra le quali si possono citare metodi di ottimizzazione stocastici (simulated annealing, genetic optimizers). Tali metodi permettono buoni risultati in termini di risoluzione del sistema di imaging, ma non permettono una analisi a-priori delle prestazioni attese. Inoltre, sono molto onerose dal punto di vista computazionale. In questo ambito, recentemente è stata introdotta una nuova metodologia basata sull'uso di particolari sequenze binarie (Almost Difference Sets) per la progettazione di array a ultrasuoni. Tale metodologia permette di realizzare array in modo efficiente, e con prestazioni elevate e predicibili. Scopo della presente attività è analizzare differenti configurazioni derivanti da tali array e calcolare prestazioni attese sia in scenari ideali (far field, scatteratori puntiformi) che realistici (near field, non linearità e scatteratori realistici)
date: 2009
date_type: published
institution: University of Trento
department: ELEDIA Research Center@DISI
thesis_type: masters
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[24]	G. Oliveri, Y. Zhong, X. Chen, and A. Massa, "Multi-resolution subspace-based optimization method for inverse scattering," Journal of Optical Society of America A, vol. 28, no. 10, pp. 2057-2069, Oct. 2011. 
[25]	A. Randazzo, G. Oliveri, A. Massa, and M. Pastorino, "Electromagnetic inversion with the multiscaling inexact-Newton method - Experimental validation," Microwave Opt. Technol. Lett., vol. 53, no. 12, pp. 2834-2838, Dec. 2011.
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[28]	M. Benedetti, D. Lesselier, M. Lambert, and A. Massa, "Multiple shapes reconstruction by means of multi-region level sets," IEEE Trans. Geosci. Remote Sensing, vol. 48, no. 5, pp. 2330-2342, May 2010.
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[31]	M. Benedetti, G. Franceschini, R. Azaro, and A. Massa, "A numerical assessment of the reconstruction effectiveness of the integrated GA-based multicrack strategy," IEEE Antennas Wireless Propag. Lett., vol. 6, pp. 271-274, 2007.
[32]	P. Rocca, M. Carlin, G. Oliveri, and A. Massa, "Interval analysis as applied to inverse scattering," IEEE International Symposium on Antennas Propag. (APS/URSI 2013), Chicago, Illinois, USA, Jul. 8-14, 2012.
[33]	L. Manica, P. Rocca, M. Salucci, M. Carlin, and A. Massa, "Scattering data inversion through interval analysis under Rytov approximation," 7th European Conference on Antennas Propag. (EuCAP 2013), Gothenburg, Sweden, Apr. 8-12, 2013.
[34]	P. Rocca, M. Carlin, and A. Massa, "Imaging weak scatterers by means of an innovative inverse scattering technique based on the interval analysis," 6th European Conference on Antennas Propag. (EuCAP 2012), Prague, Czech Republic, Mar. 26-30, 2012.

citation:   Di Giacomo, I. C.  (2009) Analisi Prestazioni Array A Ultrasuoni Basati Su ADS.  Masters thesis, University of Trento.   
document_url: http://www.eledia.org/students-reports/141/1/Abstract.A245.pdf