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The results of shielding effectiveness (SE) measurements of textile materials containing metal by the free-space transmission technique (FSTT) in the 1-26.5 GHz frequency range are presented in the paper. It is shown that experimental data processing using time-domain gating (TDG) makes it possible to effectively remove diffracted and reflected components from the desired signal. The comparison with the results obtained by other techniques, namely modified FSTT with TDG and coaxial line probe technique (ASTM D4935-99) is given. The comparison shows that the proposed technique gives more reasonable results while the measurement set-up is simpler in realization.
Czasopismo
Rocznik
Tom
Strony
217--228
Opis fizyczny
Bibliogr. 25 poz., rys., tab., wykr., wzory
Twórcy
autor
- Wroclaw University of Technology, Faculty of Electronics, Institute of Telecommunications, Teleinformatics and Acoustics, Janiszewskiego 7/9, 50-372 Wroclaw, Poland
autor
- Warsaw University of Technology, Faculty of Electronics and Information Technology, Institute of Radioelectronics, Nowowiejska 15/19, 00-665 Warsaw, Poland
autor
- Wroclaw University of Technology, Faculty of Electronics, Institute of Telecommunications, Teleinformatics and Acoustics, Janiszewskiego 7/9, 50-372 Wroclaw, Poland
autor
- Warsaw University of Technology, Faculty of Electronics and Information Technology, Institute of Radioelectronics, Nowowiejska 15/19, 00-665 Warsaw, Poland
Bibliografia
- [1] Schwan, H.P. (1971). Interaction of microwave and radio frequency radiation with biological systems. IEEE Trans. Microwave Theory Tech., vol. MTT-19, no. 2, pp. 146-152.
- [2] Schulz, R.B., Plantz, V.C., Brush, D.R. (Aug 1988). Shielding theory and practice. Electromagnetic Compatibility, IEEE Transactions on, vol. 30, no. 3, pp. 187-201.
- [3] Joyner, K.H., Copeland, P.R., MacFarlane, I.P. (May 1989). An evaluation of a radiofrequency protective suit and electrically conductive fabrics. Electromagnetic Compatibility, IEEE Transactions on, vol. 31, no. 2, pp. 129-137.
- [4] http://www.yshield.eu (April 2012).
- [5] http://www.solianiemc.com (April 2012).
- [6] http://www.ferrishield.com (April 2012).
- [7] http://www.shieldingsystems.eu (April 2012).
- [8] Więckowski, T. W., Janukiewicz, J. M. (2006). Methods for Evaluating the Shielding Effectiveness of Textiles. Fibres & Textiles in Eastern Europe, Vol. 14, No. 5 (59), pp. 18-22.
- [9] Henn, A., Cribb, R. (1992). Modeling the shielding effectiveness of metallized fabrics. In Proc. IEEE 1992 International Symposium on Electromagnetic Compatibility, Anaheim, CA, USA, pp. 283-286.
- [10] Chen, H., Lee, K., Lin, J., Koch, M. (2007). Fabrication of conductive woven fabric and analysis of electromagnetic shielding via measurement and empirical equation. Journal of Materials Processing Technology, vol. 184, pp. 124-30.
- [11] Yang, S., Lozano, K., Lomeli, A., Foltz, H.D., Jones, R. (2005). Electromagnetic interference shielding effectiveness of carbon nanofiber/LCP composites. Composites, Part A 36 (2005), pp. 691-697.
- [12] Smits, F.M. (1958). Measurement of sheet resistivities with the four-point probe. The Bell System Technical Jornal, pp. 711-718, May 1958.
- [13] PN-EN 1149-1, “Odzież ochronna. Właściwości elektrostatyczne. Część 1: Metoda badania rezystywności powierzchniowej,” Warszawa 2008.
- [14] American Society for Testing and Materials, Standard Test Method for Measuring the Electromagnetic Shielding Effectiveness of Planar Materials, Standard D4935-99, 1999.
- [15] Wilson, P.F., Ma, M.T., Adams, J.W. (Aug 1988). Techniques for measuring the electromagnetic shielding effectiveness of materials. I. Far-field source simulation. Electromagnetic Compatibility, IEEE Transactions on, vol. 30, no. 3, pp. 239-250.
- [16] Holloway, C.L., Hill, D.A., Ladbury, J., Koepke, G., Garzia, R. (2003). Shielding effectiveness measurements of materials using nested reverberation chambers. IEEE Trans. Electromag. Compatib., vol. 45, no. 2, pp. 350-356.
- [17] Skrzypczynski, J. (2011). Dual vibrating intrinsic reverberation chamber used for shielding effectiveness measurements. In Proc. EMC Europe 2011, York, pp. 133-136.
- [18] Atkins, D.J., Miller, J.A., Sanders, J.D. (1992). Shielding effectiveness of spacecraft (European Polar Platform) CFRP panels. In Proc. Electromagnetic Compatibility, 1992., Eighth International Conference on, pp. 100-107.
- [19] Chen, L.F., Ong, C.K., Neo, C.P., Varadan, V.V., Varadan, V.K. (2004). Microwave electronics. Measurement and materials characterization, John Wiley & Sons Ltd.
- [20] Dvurechenskaya, N., Zielinski, R. (2011). Measurement of special shielding materials at S and C band using improved free-space transmission technique. International Journal of Electronics and Telecommunication PAN, vol. 57, no. 3, pp. 329-334.
- [21] Dvurechenskaya, N., Zielinski, R. J. (2011). Advantages and disadvantages of the free-space arch method used for investigation of shielding materials at low gigahertz frequencies. In Proc. EMC Europe 2011, York, UK.
- [22] Marvin, A.C., Dawson, L., Flintoft, I.D., Dawson, J.F. (2009). A method for the measurement of shielding effectiveness of planar samples requiring no sample edge preparation or contact. IEEE Trans. Electromag. Compatib., vol. 51, no. 2, pp. 255-262.
- [23] Hiebel, M. (2008). Fundamentals of vector network analysis, 4th ed., Munchen: Rohde&Schwarz.
- [24] Wilson, P.F., Ma, M.T., Adams, J.W. (1988). Techniques for measuring the electromagnetic shielding effectiveness of materials. I. Far-field source simulation. Electromagnetic Compatibility, IEEE Transactions on, vol.30, no.3, pp.239-250.
- [25] Bury, M., Yashchyshyn, Y. (2007). Pulse Response of UWB Antenna: Meaning and Simple Measurement Procedure. In Proc. Antennas and Propagation, 2007. EuCAP 2007. The Second European Conference on, pp.1-6.
Uwagi
EN
The experimental part of this work was carried out under support of the Erasmus Mundus External Co-operation Window Programme of the European Union (Feb. 2009 – Nov. 2011).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-0dc7ab75-7e8b-47fb-a7e4-26f28d854b74