Profile

Degrees

• Ing.: Czech Technical University in Prague - Faculty of Electrical Engineering

• Ph.D.: Czech Technical University in Prague - Faculty of Electrical Engineering - Department of Electromagnetic Field

Research interests

• Electromagnetic field theory

• Antenna theory

• Wireless power transmission

Teaching

• Electromagnetic field

• Antennas

• Propagation of electromagnetic waves

• Projects and Theses / Projekty a závěrečné práce

Projects

• ICT COST Action IC1301 Wireless Power Transmission for Sustainable Electronics (WiPE)

• ICT COST Action IC0803 RF/Microwave Communication Subsystems for Emerging Wireless Technologies (RFCSET)

Journal publications

• T. Lonsky, P. Hazdra, J. Kracek, Characteristic modes of dipole arrays, IEEE Antennas and Wireless Propagation Letters, vol. 17, no. 6, pp. 998-1001, Apr. 2018,  DOI: 10.1109/LAWP.2018.2828986.

• J. Havlicek, M. Svanda, M. Polivka, J. Machac, J. Kracek, Chipless RFID tag based on electrically small spiral capacitively loaded dipole, IEEE Antennas and Wireless Propagation Letters, vol. 16, Oct. 2017, art. no. 8064191, pp. 3051-3054, DOI: 10.1109/LAWP.2017.2760059.

• N. B. Carvalho, A. Georgiadis, A. Costanzo, N. Stevens, J. Kracek et al., Europe and the future for WPT, IEEE Microwave Magazine, vol. 18, no. 4, art. no. 7920430, pp. 56-87, 2017, DOI: 10.1109/MMM.2017.2680078.

• J. Kracek, M. Svanda, M. Mazanek, J. Machac, Implantable semi-active UHF RFID tag with inductive wireless power transfer, IEEE Antennas and Wireless Propagation Letters, vol. 15, art. no. 7389359, pp. 1657-1660, 2016, DOI: 10.1109/LAWP.2016.2520663.

• J. Kracek, V. Pankrac, M. Mazanek, Analysis of magnetic field of thin-wall air induction coil of arbitrary cross section with the help of scalar magnetic potential, IEEE Transactions on Magnetics, vol. 52, no. 5, art. no. 7004112, DOI: 10.1109/TMAG.2015.2472526.

• N. Borges Carvalho, A. Georgiadis, A. Costanzo, H. Rogier, A. Collado, J. A. Garcia, S. Lucyszyn, P Mezzanotte, J. Kracek, D. Masotti, A. J. S. Boaventura, M. De Las Nieves Ruiz Lavin, M. Pinuela, D. C. Yates, P. D. Mitcheson, M. Mazanek, V. Pankrac, Wireless power transmission: R&D activities within europe. IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 4, art. no. 6734736, pp. 1031-1045, 2014, DOI: 10.1109/TMTT.2014.2303420.

• V. Pankrac, J. Kracek, Simple algorithms for the calculation of the intensity of the magnetic field of current loops and thin-wall air coils of a general shape using magnetic dipoles. IEEE Transactions on Magnetics, vol. 48, no. 12, art. no. 6252056, pp. 4767-4778, 2012. DOI: 10.1109/TMAG.2012.2205012.

• J. Kracek, M. Mazanek, Wireless power transmission for power supply: State of art, Radioengineering, vol. 20, no. 2, pp. 457-463, 2011.

• J. Kracek, M. Mazanek, Possibilities of wireless power supply. International Journal of Microwave and Wireless Technologies, vol. 2, no. 2, pp. 153-157, 2010, DOI: 10.1017/S1759078710000255.

Conference publications

• T. Lonsky, P. Hazdra, J. Kracek, Design of closely spaced dipole array based on characteristic modes, 39th PIERS, Singapore, 2017.

• T. Lonsky, P. Hazdra, J. Kracek, Modal decomposition for arbitrary dipole array, 2017 Conference on Microwave Techniques, COMITE 2017, Brno, 2017, art. no. 7932302, pp.1-4, DOI: 10.1109/COMITE.2017.7932302.

• P. Hazdra, T. Lonsky, J. Kracek, Modal decomposition theory for arrays of dipoles, 11th European Conference on Antennas and Propagation, EuCAP 2017, Paris, 2017, art. no. 7928351, pp. 2660-2662, DOI: 10.23919/EuCAP.2017.7928351.

• J. Kracek, M. Svanda, M. Mazanek, J. Machac, Semi-active 866 MHz RFID implantable tag fed by 6.78 MHz inductive wireless power transfer, 46th European Microwave Conference, EuMC 2016, London, 2016, art. no. 7824419, pp. 620-622, DOI: 10.1109/EuMC.2016.7824419.

• J. Kracek, M. Mazanek, Measurement of magnetic flux density vector, 6th European Conference on Antennas and Propagation, EuCAP 2012, Prague, 2012, art. no. 6206493, pp. 2173-2174, DOI: 10.1109/EuCAP.2012.6206493.

• J. Kracek, M. Mazanek, Power balance of inductive wireless power transmission, 5th European Conference on Antennas and Propagation, EuCAP 2011, Rome, 2011, art. no. 5782444, pp. 3974-3978.

• J. Kracek, M. Mazanek, The wireless power supply with the use of coupling surface, 4th European Conference on Antennas and Propagation, EuCAP 2010, Barcelona, 2010, art. no. 5505486.

• P. Hazdra, M. Capek, J. Kracek, Optimization tool for fractal patches based on the IFS algorithm, 3rd European Conference on Antennas and Propagation, EuCAP 2009, Berlin, 2009, art. no. 5067974, pp. 1837-1839.