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Abstrakty
In this paper we discuss state of the art in the field of shielding materials investigation. Two types of newly manufactured shielding materials (nonwoven and fabric) were measured using improved free-space transmission technique at 2-5 GHz depending on electromagnetic wave (EM) polarization and antenna to specimen distance. Results of shielding effectiveness (SE) evaluation based on measured complex transmission coefficients (S21) were presented and compared with SE measured using coaxial transmission line technique. Also results of surface resistance measurements with the four-probe technique for the test materials are shown.
Rocznik
Tom
Strony
329--334
Opis fizyczny
Bibliogr. 35 poz., il., wykr.
Twórcy
autor
- Faculty of Electronics, Wrocław University of Technology, Wyspianskiego 27, 50-370 Wrocław, Poland
autor
- Faculty of Electronics, Wrocław University of Technology, Wyspianskiego 27, 50-370 Wrocław, Poland
Bibliografia
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- [16] J. P. Blanchard, F. M. Tische, S. H. Sands, and R. H. Vandre, „Electromagnetic Shielding by Metalized Fabric Enclosure: Theory and Experiment”, IEEE Transactions on Electromagnetic Compatibility, vol. 30, no. 3, pp. 282 - 288, August 1988.
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- [31] L. B. Valdes, „Resistivity Measurements on Germanium for Transistors”, Proceedings of the IRE, pp. 420 - 427, February 1954.
- [32] F. M. Smits, „Measurement of Sheet Resistivities with the Four-Poin Probe”, The Bell System Technical Jornal, pp. 711 - 718, May 1958.
- [33] PN-EN 1149-1, „Odzież Ochronna. Właściwości Elektrostatyczne. Cześć 1: Metoda Badania Rezystywności Powierzchniowej”, Warszawa, 2008, [in Polish].
- [34] S. R. Saunders, Antennas and Propagation for Wireless Communication Systems. Wiley, 1999.
- [35] H. Suzuki, A. Nishikata, Y. Higashida, T. Takahashi, and O. Hashimoto, „Free Space Method with Parallel Electromagnetic Wave Beam by Using Dielectric Lenses and Horn Antennas for Reflectivity of Electromagnetic Absorbers in Millimeter Waves”, in Proceedings of the 2005 IEEE International Workshop on Measurement Systems for Homeland Security, Contraband Detection and Personal Safety Workshop (IMS 2005), Orlando, FL, USA, March 2005, pp. 63 - 69.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAK-0026-0013