Electrical and Electronic Engineering

Electrical and Electronic Engineering is an open access journal that provides rapid publication of articles in all areas of the subject. The journal welcomes the submission of manuscripts that meet the general criteria of significance and scientific excellence.

Sandra Costanzo

Editorial Board Member of Electrical and Electronic Engineering

Assistant Professor, Dipartimento di Elettronica, Informatica e Sistemistica–Università della Calabria, Italy

Research Areas

Applied Electromagnetics, Microwave and Antennas

Education

2000Ph.DElectronic Engineering, Università Mediterranea di Reggio Calabria, Italy
1996Laurea DegreeComputer Engineering–specialization in Electronics and Telecommunications, University of Calabria, Rende (CS), Italy

Experience

2008-present Representative of the School of Telecommunication Engineering (Master Program) within the Joint Teaching Committee of the Engineering Faculty, University of Calabria, Rende (CS), Italy
2004-present Council Secretary for the School of Telecommunication Engineering (Master Program) University of Calabria, Rende (CS), Italy
2003-present Coordinator of the Evaluation Committee for the curricula of the School of Telecommunication Engineering (Master Program), University of Calabria, Rende (CS), Italy
2002-present Assistant Professor of Applied Electromagnetics DEIS Department, University of Calabria, Rende (CS), Italy
2002-present Responsible of the Research Area of the Microwave Laboratory at DEIS Department, University of Calabria
2002-2003Council Secretary for the School of Electronic Engineering (Bachelor and Master Programs)
2002Research Fellow, DEIS Department University of Calabria, Rende (CS), Italy

Academic Achievement

1996: "Telecom" prize for the Best Laurea Thesis
2011: most downloaded paper (S. Costanzo, I. Venneri, G. Di Massa, A. Borgia, "Benzocyclobutene as substrate material for planar millimeter-wave structures: dielectric characterization and application", Journal of Infrared, Millimeter and Terahertz Waves,
2011: paper selected by the "Acquisitions Department of All-Russian Institute of Scientific and Technical Information VINITI" to be included in the "Abstracts Journal, Series: Radio Transmitters and Radio Receivers. Radio Engineering Measurings, 2011, № 0

Membership

XII RiNEM (Riunione Nazionale di Elettromagnetismo), Cetraro (CS), Italy, 28 september-1 october 1998
39th European Microwave Conference, Rome, Italy, 29 september-1 october 2009
IEEE (since 2000)
European Microwave Association (EuMA) (2009)
Consorzio Nazionale Internuiversitario per le Telecomunicazioni (CNIT) (since 2002)
Società Italiana di Elettromagnetismo (SIEM) (since 2002)

Publications: Journals

[1]  S. Costanzo, G. Di Massa, "An improved form of the Spectral Iteration Technique", Journal of Electromagnetic Waves and Applications, Vol. 13, No. 12, pp. 1709-1723, 1999.
[2]  S. Costanzo, G. Di Massa, "Electromagnetic scattering problems solved by an Improved Spectral Iteration Technique", Microwave and Optical Technology Letters, Vol. 29, No. 6, pp. 384-388, 2001.
[3]  S. Costanzo, G. Di Massa, "An integrated probe for phaseless plane-polar near-field measurements", Microwave and Optical Technology Letters, Vol. 30, No. 5, pp. 293-295, 2001.
[4]  S. Costanzo, G. Di Massa, M. D. Migliore, "Integrated microstrip probe for phaseless near-field measurements on plane-polar geometry", IEE Electronics Letters, Vol. 37, No. 16, pp. 1018-1020, 2001.
[5]  S. Costanzo, G. Di Massa, "An integrated probe for phaseless near-field measurements", Measurement, Vol. 31, pp. 123-129, 2002.
[6]  S. Costanzo, F. Venneri, G. Di Massa, G. Angiulli, "Synthesis of microstrip reflectarrays as planar scatterers for SAR Interferometry", IEE Electronics Letters, Vol. 39, No. 3, pp. 266-267, 2003.
[7]  S. Costanzo, F. Venneri, G. Di Massa, G. Angiulli, "Investigation of printed reflectarrays as permanent scatterers in SAR Interferometry", Microwave and Optical Technology Letters, Vol. 37, No. 1, pp. 18-20, 2003.
[8]  S. Costanzo, G. Di Massa, "Far-field reconstruction from phaseless near-field data on a cylindrical helix", Journal of Electromagnetic Waves and Applications, Vol. 18, No. 8, pp. 1057-1071, 2004.
[9]  S. Costanzo, G. Di Massa, M. D. Migliore, "A novel hybrid approach for far-field characterization from near-field amplitude-only measurements on arbitrary scanning surfaces", IEEE Transactions on Antennas and Propagation, Vol. 53, No. 6, pp. 1866-1874, 2005.
[10]  F. Venneri, S. Costanzo, G. Di Massa, G. Angiulli, "An improved synthesis algorithm for reflectarrays design", IEEE Antennas and Wireless Propagation Letters, Vol. 4, pp. 258-261, 2005.
[11]  Costanzo, S., Venneri F., Di Massa G., "Bandwidth enhancement of aperture-coupled reflectarrays", IEE Electronics Letters, Vol. 42, No. 23, pp. 1320-1321, 2006.
[12]  S. Costanzo, G. Di Massa, "Efficient near-field to far-field transformation from plane-polar samples", Microwave and Optical Technology Letters, Vol. 48, No. 12, pp. 2433-2436, 2006.
[13]  S. Costanzo, G. Di Massa, "Direct far-field computation from bi-polar near-field samples", Journal of Electromagnetic Waves and Applications, Vol. 20, No. 9, pp. 1137-1148, 2006.
[14]  S. Costanzo, G. Di Massa, "Near-field to far-field transformation with planar spiral scanning", Progress In Electromagnetics Research, PIER 73, pp. 49-59, 2007.
[15]  F. Venneri, S. Costanzo, G. Di Massa, G. Amendola, "Aperture-coupled reflectarrays with enhanced bandwidth features", Journal of Electromagnetic Waves and Applications, Vol. 22, pp. 1527-1537, 2008.
[16]  S. Costanzo, I. Venneri, G. Di Massa, G. Amendola, "Hybrid array antenna for broadband millimeter-wave applications", Progress In Electromagnetics Research, PIER 83, pp. 173-183, 2008.
[17]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering by thin metal plates", Progress In Electromagnetics Research M, Vol. 3, pp. 1-13, 2008.
[18]  G. Angiulli, D. De Carlo, G. Amendola, E. Arnieri, S. Costanzo, "Support vector regression machines to evaluate resonant frequencies of elliptic substrate integrated waveguide resonators", Progress In Electromagnetics Research, PIER 83, pp. 107-118, 2008.
[19]  F. Venneri, S. Costanzo, G. Di Massa, "Transmission line analysis of aperture-coupled reflectarrays", Progress In Electromagnetics Research C, Vol. 4, pp. 1-12, 2008.
[20]  S. Costanzo, G. Di Massa, "Wideband phase retrieval technique from amplitude-only near-field data", Radioengineering, vol. 17, n. 4, pp. 8-12, 2008.
[21]  S. Costanzo, I. Venneri, G. Di Massa, "Wideband hybrid array concept for millimeter-wave applications", Journal of Infrared, Millimeter and Terahertz Waves, vol. 30, pp. 374-380, 2009.
[22]  F. Caminita, S. Costanzo, G. Di Massa, G. Guarnieri, S. Maci, G. Mauriello, I. Venneri, "Reduction of patch antenna coupling by using a compact EBG formed by shorted strips with interlocked branch-stubs", IEEE Antennas and Wireless Propagation Letters, vol. 8, pp. 811-814, 2009.
[23]  S. Costanzo, I. Venneri, G. Di Massa, A. Borgia, "Benzocyclobutene as substrate material for planar millimeter-wave structures: dielectric characterization and application", Journal of Infrared, Millimeter and Terahertz Waves, vol. 31, pp. 66-77, 2010.
[24]  S. Costanzo, G. A. Casula, A. Borgia, I. Venneri, G. Montisci, G. Di Massa, G. Mazzarella, "Synthesis of slot arrays on integrated waveguides", IEEE Antennas and Wireless Propagation Letters, vol. 9, pp. 962-965, 2010.
[25]  S. Costanzo, "Synthesis of multi-step coplanar waveguide-to-microstrip transition", Progress In Electromagnetics Research, PIER 113, pp. 111-126, 2011.
[26]  S. Costanzo, F. Venneri, A. Borgia, I. Venneri, G. Di Massa, "60 GHz microstrip reflectarray on a benzocyclobutene dielectric substrate", IET Science Measurement and Technology, 2011.
[27]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering from metallic cylinders", Atti della Fondazione Giorgio Ronchi, Vol. 6, pp. 717-733, 1998.
[28]  S. Costanzo, F. Venneri, G. Di Massa, "Tecniche di progetto innovative per antenne a schiera riflettenti stampate", Quaderni della Società Italiana di Elettromagnetismo, Numero Speciale, Vol. 1, No. 2, pp. 81-85, 2005.
[29]  S. Costanzo, G. Di Massa, "Innovative techniques for amplitude-only near-field measurements", INVITED PAPER, Atti della Fondazione Giorgio Ronchi, Numero Speciale 5- Serie di Elettromagnetismo, pp. 351-360, 2006.
[30]  S. Costanzo, G. Di Massa, "Electromagnetic characterization of volcanic ash", Quaderni di Geofisica, Vol. 43, pp. 59-63, 2007.
[31]  S. Costanzo, G. Di Massa, "Direct near-field to far-field transformations on strategic scanning surfaces", INVITED PAPER, Atti della Fondazione Giorgio Ronchi, Numero Speciale 6- Serie di Elettromagnetismo, pp. 55-65, 2008.
[32]  G. Di Massa, S. Costanzo, I. Venneri, A. Borgia, "New technologies for antenna design in the millimeter range", INVITED PAPER, Atti della Fondazione Giorgio Ronchi, vol. 3, pp. 409-420, 2010.

Publications: Conferences/Workshops/Symposiums

[1]  G. Amendola, S. Costanzo, G. Di Massa, "Double ring wideband patch antennas", Proc. of ICEAA 97, International Conference on Electromagnetics in Advanced Applications, Torino, 15-18 September 1997.
[2]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering from metallic cylinders", Proc. of IEEE AP-S International Symposium, Atlanta (Georgia), 21-26 June 1998.
[3]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering from metallic cylinders", Proc. of PIERS 1998, Progress In Electromagnetics Research Symposium, Nantes (Francia), 13-17 July 1998.
[4]  S. Costanzo, G. Di Massa, "An improved approach to the Spectral Iteration Technique", Proc. of IEEE AP-S International Symposium, Orlando (Florida), 11-16 July 1999.
[5]  G. Amendola, S. Costanzo, V. Martire, G. Di Massa, "A broadband microstrip antenna for SAR applications", Proc. of IEEE AP-S International Symposium, Orlando (Florida), 11-16 July 1999.
[6]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering from a microstrip patch", Proc. of ICEAA 99, International Conference on Electromagnetics in Advanced Applications, Torino, 13-17 September 1999.
[7]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for the scattering by strip gratings", Proc. of PIERS 2000, Progress In Electromagnetics Research Symposium, Cambridge (Massachusetts), 5-14 July 2000.
[8]  S. Costanzo, G. Di Massa, "An integrated probe for planar near-field only intensity measurements", Proc. of IEEE AP-S International Symposium, Boston (Massachusetts), 8-13 July 2001.
[9]  S. Costanzo, G. Di Massa, "Electromagnetic scattering by metallic plates solved by Improved Spectral Iteration Technique", Proc. of ICEAA 01, International Conference on Electromagnetics in Advanced Applications, Torino, 10-14 September 2001.
[10]  S. Costanzo, G. Di Massa, "A microstrip probe for near-field only intensity measurements", Proc. of ICEAA 01, International Conference on Electromagnetics in Advanced Applications, Torino, 10-14 September 2001.
[11]  S. Costanzo, G. Di Massa, M. D. Migliore, "An integrated microstrip probe for phaseless near-field measurements on a plane-polar geometry", Proc. of AMTA 2001, Antenna Measurement Techniques Association, Denver (Colorado), 21-26 October 2001.
[12]  S. Costanzo, G. Angiulli, G. Di Massa, B. Bertucci, S. Gabriele, "A C-band scatterometer radar fro the monitoring of coastal dynamic processes", Proc. of Specialist Conference on Remote Sensing, Denver (Colorado), 5-9 November 2001.
[13]  S. Costanzo, G. Di Massa, "Improved Spectral Iteration Technique for solution of first kind integral equations in diffraction problems", Proc. of SIMAI 2002, VI Congresso Nazionale della Società Italiana di Matematica Applicata e Industriale, Cagliari, 27-31 May 2002.
[14]  S. Costanzo, G. Di Massa, M. D.Migliore, "A X-band probe for phaseless near-field measurements", Proc. of IEEE AP-S International Symposium, San Antonio (Texas), 16-21 June 2002.
[15]  S. Costanzo, G. Di Massa, "Near-field phase retrieval from intensity-only measurements on a cylindrical helix", Proc. of JINA 2002, Journées Internationales de Nice sur les Antennes, Nice (Francia), 12-14 November 2002.
[16]  G. Amendola, G. Angiulli, L. Boccia, S. Costanzo, G. Di Massa, F. Venneri, "Microstrip reflectarrays as versatile solution for beam-scanning and multi-beam applications", Proc. of 3rd COST 284 Meeting, Budapest (Ungheria), 6-8 April 2003.
[17]  S. Costanzo, F. Venneri, G. Di Massa, G. Angiulli, "A synthesis algorithm for microstrip reflectarrays design", Proc. of IEEE AP-S International Symposium, Columbus (Ohio), 22-27 June 2003.
[18]  S. Costanzo, G. Di Massa, M. D. Migliore, "A multifrequency probe for near-field amplitude-only measurements", Proc. of ICONIC, 1th International Conference on Electromagnetic Near-Field Characterization and Imaging, Rouen (Francia), 18-20 June 2003.
[19]  S. Costanzo, F. Venneri, G. Di Massa, G. Angiulli, "Microstrip permanent scatterers for SAR Interferometry applications", Proc. of IGARSS 2003, IEEE International Symposium on Geoscience and Remote Sensing Applications, Toulouse (Francia), 21-25 July 2003.
[20]  S. Costanzo, G. Di Massa, M. D. Migliore, "A multifrequency probe for phaseless near-field cylindrical scanning", Proc. of AMTA 2003, Antenna Measurement Techniques Association, Irvine (California), 19-24 October 2003.
[21]  F. Venneri, S. Costanzo, G. Di Massa, G. Angiulli, "Slot-coupled microstrip reflectarray antennas", Proc. of ICEAA 03, International Conference on Electromagnetics in Advanced Applications, Torino, 8-12 September 2003.
[22]  F. Venneri, G. Angiulli, S. Costanzo, G. Di Massa, "Effect of different incidence angle between feed and elements in printed reflectarrays design", Proc. of ICEAA 03, International Conference on Electromagnetics in Advanced Applications, Torino, 8-12 September 2003.
[23]  Cofone, G. Di Massa, S. Costanzo, "Millimeter-wave antenna for video on demand applications", Proc. of 54th International Astronautical Congress, Bremen (Germania), 29 September- 3 October 2003.
[24]  S. Costanzo, F. Venneri, G. Di Massa, "Transmission line model for slot-coupled microstrip reflectarray antennas", Proc. of URSI 2004, International Symposium on Electromagnetic Theory, Pisa, 23-27 May 2004.
[25]  S. Costanzo, G. Di Massa, "A far-field transformation from phaseless near-field data on helicoidal geometry", Proc. of IEEE AP-S International Symposium, Monterey (California), 20-26 June 2004.
[26]  F. Venneri, S. Costanzo, G. Di Massa, "Printed reflectarrays as versatile solution for multibeam applications", Proc. of IEEE AP-S International Symposium, Monterey (California), 20-26 June 2004.
[27]  F. Venneri, S. Costanzo, "Synthesis of multibeam printed reflectarrays", Proc. of PIERS 2004, Progress In Electromagnetics Research Symposium, Pisa, 28-31 March 2004.
[28]  G. Angiulli, S. Costanzo, G. Di Massa, F. Venneri, "Reflectarrays as versatile antenna system", Proc. of Asia Pacific Microwave Conference, New Delhi (India), 15-18 December 2004.
[29]  S. Costanzo, G. Di Massa, "Direct far-field computation from phaseless near-field measurements on a cylindrical helix", Proc. of ICONIC, 2nd International Conference on Electromagnetic Near-Field Characterization and Imaging, Barcelona (Spagna), 8-10 June 2005.
[30]  S. Costanzo, F. Venneri, G. Di Massa, G. Angiulli, "Improved form of a synthesis algorithm for microstrip reflectarrays design", Proc. of IEEE AP-S International Symposium, Washington (DC), 3-8 July 2005.
[31]  F. Venneri, S. Costanzo, G. Di Massa, "Microstrip reflectarrays as versatile beam-shaping solution", Proc. of 28th ESA Antenna Workshop on Space Antenna Systems and Technologies, ESA/ESTEC, Noordwijk (Olanda), 31 May- 3 June 2005.
[32]  S. Costanzo, G. Di Massa, "Amplitude-only measurement technique on strategic near-field scanning surfaces", Proc. of EuCAP, European Conference of Antennas and Propagation, Nice (Francia), 6-10 November 2006.
[33]  F. Venneri, S. Costanzo, G. Di Massa, "Advances in reflectarray bandwidth enlargement", Proc. of EuCAP, European Conference of Antennas and Propagation, Nice (Francia), 6-10 November 2006.
[34]  S. Costanzo, G. Di Massa, "Wideband phaseless near-field method", Proc. of MMS 2007, Microwave Mediterranean Symposium, Budapest (Ungheria), 14-18 May 2007.
[35]  S. Costanzo, G. Di Massa, "Far-field characterization from near-field measurements on innovative planar configurations", Proc. of ISMOT 2007, International Symposium on Microwave and Optical Technology, Roma, 17-21 December 2007.
[36]  S. Costanzo, F. Venneri, G. Di Massa, "Parametric analysis of bandwidth features for aperture-coupled reflectarrays", Proc. of EuCAP, European Conference of Antennas and Propagation, Edinburgh (Inghilterra), 11-16 November 2007.
[37]  S. Costanzo, F. Venneri, G. Di Massa, "ACE web services on antenna measurements", Proc. of AMTA 2007, Antenna Measurement Techniques Association, St. Louis (Missouri), 4-9 November 2007.
[38]  L. Boccia, O. Breinbjerg, S. Costanzo, G. Di Massa, F. Venneri, "International mapping database for antenna measurement services", Proc. of ICECom 2007, International Conference on Applied Electromagnetics and Communications, Dubrovnik (Croazia), 24-26 September 2007.
[39]  S. Costanzo, I. Venneri, G. Di Massa, "Hybrid array for wideband millimetre-wave applications", Proc. of IEEE AP-S International Symposium, San Diego (California), 5-12 July 2008.
[40]  F. Venneri, S. Costanzo, G. Di Massa, "Wideband aperture-coupled reflectarrays with reduced inter-element spacing", Proc. of IEEE AP-S International Symposium, San Diego (California), 5-12 July 2008.
[41]  S. Costanzo, I. Venneri, G. Di Massa, A. Borgia, "New technologies and antenna design concepts at millimeter-wave bands", Proc. of EuCAP, European Conference of Antennas and Propagation, Berlin (Germany), 23-27 March 2009.
[42]  F. Caminita, S. Costanzo, G. Di Massa, S. Maci, G. Mauriello, I. Venneri, G. Guarnieri, "A shorted-interlocked strip EBG-surface integrated in patch arrays", Proc. of IEEE AP-S International Symposium, Charleston (South Carolina), 1-5 June 2009.
[43]  E. Arnieri, I. Russo, A. Borgia, G. Amendola, L. Boccia, S. Costanzo, "Dual polarization Ka-band array with hybrid series/parallel E-plane waveguide/stripline feeding network", Proc. of IEEE AP-S International Symposium, Charleston (South Carolina), 1-5 June 2009.
[44]  G. Di Massa, S. Costanzo, I. Venneri, A. Borgia, G. Mazzarella, G. Montisci, G. A. Casula, "Slot arrays on integrated micromachined waveguides", Proc. of EuCAP, European Conference of Antennas and Propagation, Barcelona (Spain), 12-16 April 2010.
[45]  G. Di Massa, S. Costanzo, A. Borgia, F. Venneri, I. Venneri, "Innovative dielectric materials at millimeter frequencies", Proc. of ICECom, International Conference on Applied Electromagnetics and Applications, Dubrovnik (Croatia), 20-23 September 2010.
[46]  F. Caminita, S. Costanzo, G. Di Massa, S. Maci, G. Mauriello, I. Venneri, G. Guarnieri, "Patch arrays integrated with an EBG-surface", Proc. of URSI EMTS, Berlin (Germany), 16-19 August 2010.
[47]  G. Di Massa, S. Costanzo, A. Borgia, I. Venneri, G. Galati, M. Leonardi, E. Piracci, "Multiple sources discrimination by array processing", Proc. of EuCAP, European Conference of Antennas and Propagation, Rome (Italy), 11-15 April 2011.
[48]  S. Costanzo, G. Angiulli, "Tecniche numeriche innovative per il calcolo del campo diffuso da cilindri metallici di forma arbitraria", Proc. of XII RiNEm, Riunione Nazionale di Elettromagnetismo, Cetraro (CS), 28 settembre-1 ottobre 1998.
[49]  S. Costanzo, G. Di Massa, L. Morrone, "Un sensore integrato per misure di solo modulo in zona vicina", Proc. of XIII RiNEm, Riunione Nazionale di Elettromagnetismo, Villa Olmo, Como, 25-28 settembre 2000.
[50]  S. Costanzo, G. Di Massa, M. D. Migliore, "Un sensore in banda X per misure di sola intensità in campo vicina", Proc. of XIV RiNEm, Riunione Nazionale di Elettromagnetismo, Ancona, 16-19 settembre 2002.
[51]  S. Costanzo, G. Di Massa, "Trasformazione campo vicino-campo lontano da misure di sola intensità in geometria elicoidale", Proc. of XV RiNEm, Riunione Nazionale di Elettromagnetismo, Cagliari, 13-16 settembre 2004.
[52]  S. Costanzo, F. Venneri, G. Di Massa, "Tecniche di progetto innovative per antenne a schiera riflettente stampata", Proc. of XV RiNEm, Riunione Nazionale di Elettromagnetismo, Cagliari, 13-16 settembre 2004.
[53]  S. Costanzo, G. Di Massa, "Valutazione diretta di campo lontano da misure di campo vicino in geometria elicoidale", Proc. of XVI RiNEm, Riunione Nazionale di Elettromagnetismo, Genova, 18-21 settembre 2006.
[54]  S. Costanzo, F. Venneri, G. Di Massa, "Analisi delle prestazioni in banda per schiere riflettenti stampate alimentate mediante fenditura", Proc. of XVI RiNEm, Riunione Nazionale di Elettromagnetismo, Genova, 18-21 settembre 2006.
[55]  F. Venneri, S. Costanzo, G. Di Massa, "Schiere riflettenti stampate a larga banda accoppiate mediante fenditura", Proc. of XVII RiNEm, Riunione Nazionale di Elettromagnetismo, Lecce, 15-18 settembre 2008.
[56]  S. Costanzo, G. Di Massa, "Design of wideband coplanar-waveguide to microstrip transition", Proc. of XVIII RiNEm, Riunione Nazionale di Elettromagnetismo, Benevento, 6-10 settembre 2010.
[57]  A. Borgia, S. Costanzo, G. Di Massa, F. Venneri, I. Venneri, "Design and realization of millimeter-wave reflectarrays on innovative dielectric substrate", Proc. of XVIII RiNEm, Riunione Nazionale di Elettromagnetismo, Benevento, 6-10 settembre 2010.
[58]  F. Caminita, S. Costanzo, G. Di Massa, S. Maci, G. Mauriello, I. Venneri, G. Guarnieri, "Patch arrays integrated with an EBG surface", Proc. of XVIII RiNEm, Riunione Nazionale di Elettromagnetismo, Benevento, 6-10 settembre 2010.
[59]  A. Borgia, G. A. Casula, S. Costanzo, G. Di Massa, G. Mazzarella, G. Montisci, I. Venneri, "A synthesis technique for the design of a slot array on integrated waveguides", Proc. of XVIII RiNEm, Riunione Nazionale di Elettromagnetismo, Benevento, 6-10 settembre 2010.