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  • 1977 - Ing. (MSc.), CTU, Faculty of Electrical Engineering
  • 1982 - CSc. (PhD.) in Electronics, Institute of Radioengineering and Electronics, Czechoslovak Academy of Sciences in Prague
  • 1991 - Doc. (Associate Professor) in Electrical Engineering, CTU, Faculty of Electrical Engineering
  • 1996 - DrSc. in Radioelectronics, CTU, Faculty of Electrical Engineering
  • 2009 - Prof. in Electrical Engineering, CTU, Faculty of electrical Enginnering
  • Modelling of planar passive elements and subsystems used in microwave and millimeterwave technique
  • Propagation of electromagnetic waves in periodic structures
  • Metamaterials
  • Field theory
  • Member of the Technical and Programme Committee European Microwave Conference 1995 - 1997, and since 2013
  • Secretary of the 26th European Microwave Conference 1996 in Prague
  • member of the Radiengineering Society
  • member of the Czech Electrotechnical Society
  • member of the committee of the Czech Electrotechnical Society
  • Chairman of the Czech Electrotechnical Society in 2005-2008, and since 2014
  • Chairman of the committee of the proffesional group Microwave Technique of the Czech Electrotechnical Society
  • Senior Member IEEE
  • Member of the European Microwave Association (EuMA)
  • member of the MTT-S Administrative Committee „Membership and Geographic Activities“
  • MTT Society Region 8 vice-coordinator
  • member of the Committee of the Czechoslovak Section of IEEE in 2003-2008
  • member of the Technical and Programme Committee of 2004 URSI International Symposium on Electromagnetic Theory
  • member of the Technical and Programme Committee of the IEEE MTT-S International Microwave Symposium since 2008
  • representative of IEEE Region 8 in the EuMA GA for years 2010–2012
  • electromagnetic field theory
  • waves and transmission lines
  • numerical solution of electromagnetic fields
  • selected problems from mathematics
  • analysis methods for passive elements of microwave and millimeterwave technique (for PhD students)

Prezentace odborných aktivit pro studenty, návrhy projektů, bakalářských a diplomových prací, témat pro doktorandy

List of references from the SGS Project proposal

  • Investigation of metamaterials and microwave structures with the help of noise spectroscopy and magnetic resonance, GACR No. 102/09/0314, 2009-2012.
  • Investigation of artificial electromagnetic materials with applied numerical and imaging methods, GACR No. 13-09086S, 2013-2016.
  • Complex Artificial Electromagnetic Structures and Nanostructures, GACR No. 17-00607S, 2017-2019.
  • Investigation of atmospheric pressure plasma slit jet with complex electromagnetic excitation and plasma chemistry, GACR No. 20-14105S

  • Electromagmetic Fields Transformation by Metasurfaces, GACR No. 21-07223S, 2020, proposal

 

 

2024

  • Machac J., Svanda M., Kabourek V., Leaky-Wave Antenna on Substrate-Integrated Waveguide with Radiation Pttern Controlled by DC Voltage, International Journal of Microwave and Wireless Technology, Jan. 2024.
  • Machac J., Svanda M., Kabourek V., 2D Leaky Wave Antenna with Controlled Direction of Radiation in the Azimuthal Plane, International Journal of Microwave and Wireless Technology, April 2024.
  • Polaskova K., Drexler P., Klima M., Machac J., Necas D., Svanda M., Zajickova L., Plasma Sources Science and Technology 2024, open access, 27 pages, 2024.
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2023

  • Machac J., Pasquet D., Region 8 IEEE MTT-S Chapter Officers Meeting [Around the Globe]. IEEE Microwave Magazine, Feb. 2023, Vol. 20, No. 2, pp. 25-29.
  • Svanda M., Machac J. Polivka M., Constraints of Using Conductive Screen-Printing for Chipless RFID Tags with Enhanced RCS Response. Applied Sciences 2023, 13, 148. https://doi.org/10.3390/app13010148.
  • Machac J., Svanda M., Kabourek V., A Reconfigurable Leaky Wave Antenna, 33rd International Conference Radioelektronika 2023, paper No 188-306, Proc. 2023.
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2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

  • Macháč J., Zehentner J.: Leaky waves of the second order on the slotline, Proceedings of the 2001 URSI International Symposium on Electromagnetic Theory, Victoria, BC, Canada, May 2001, pp. 532-534.
  • Zehentner J., Macháč J., Lorenz P.: Space leakage of power from the slotline, 2001 IEEE MTT-S International Microwave Symposium Digest, Phoenix, AZ, USA, May 2001, Vol. 2, pp. 1217-1220.
  • Zehentner J., Macháč J., Lorenz P., Mrkvica J.: Planar Slot-Patch Antenna, Proceedings of the 31st European Microwave Conference, London, UK, September 2001, Vol. 3, pp. 223-226.
  • Zehentner J., Macháč J., Lorenz P., Mrkvica J.: Leaky Wave Radiation of a Printed Slotline Antenna, Proceedings of 2001 Asia – Pacific Microwave Conference, Taipei, Taiwan, R. O. C., Dec. 2001, Vol. 3, pp. 1175-1178.

2000

1999

  • Macháč J., Zehentner J., Migliozzi M.: Coplanar line in millimetre and submillimetre wave range, 10th MICROCOLL, Budapest, Hungary, March 1999, Proceedings pp. 397-400.
  • Zehentner J., Macháč J., Mrkvica J., Vacek P., Polívka J.: Spurious leaky mode solutions and experimental verification of the second leaky wave, 1999 IEEE MTT-S International Microwave Symposium Digest, Anaheim, CA, USA, June 1999, Vol. 3, pp. 1261-1264.

1998

  • Zehentner J., Macháč J., Migliozzi M.: Performance of the slotline in the mm-wave range, XII. International Microwave Conference MIKON-98, Krakov, Poland, May 1998, Proccedings Vol. 2, pp. 481-485.
  • Zehentner J., Macháč J., Migliozzi M.: Leakage into several surface waves on open planar transmission lines, URSI 1998 International Symposium on Electromagnetic Theory, Thessaloniki, Greece, May 1998, Proccedings Vol. 2, pp. 500-502, Invited paper.
  • Zehentner J., Macháč J., Migliozzi M.: Dispersion characteristics of leaky waves on lossless and lossy slotlines, 1998 IEEE MTT-S International Microwave Symposium, Baltimore, Maryland, USA, June 1998, Proccedings Vol. 3, pp. 1795-1798.
  • Zehentner J., Macháč J., Migliozzi M.: Upper cut-off frequency of the bound wave and new leaky wave on the slotline, IEEE Trans. Microwave Theory and Techn., vol. MTT-46, No. 4, Apr. 1998, pp. 378-386.
  • Zehentner J., Macháč J., Mrkvica J., Polívka J., Sarnowski M.: Radiometric detection of surface leaky waves, The 43rd International Scientific Colloquium, Technical University of Ilmenau, Germany, September 1998, Proccedings Vol. 3, pp. 295-300.
  • Zehentner J., Macháč J., Sarnowski M., Mrkvica J., Polivka J.: Surface leaky waves and their measurement, Proceedings of the 28th European Microwave Conference, Amsterodam, Netherlands, October 1998, Vol. 2, pp. 561-564.
  • Zehentner J., Macháč J., Mrkvica J., Sarnowski M., Polívka J.: Field mapping by active radiometry, Proccedings of the 1998 Asia-Pacific Microwave Conference, Yokohama, Japan, December 1998, Vol. 1, pp. 217-220.

1997

  • Zehentner J., Macháč J., Migliozzi M.: Upper Cut-Off Frequency of the Bound Wave and New Leaky Wave on the Slotline, 1997 IEEE MTT-S IMS Digest, Denver, June 1997, pp. 487-490.
  • Zehentner J., Macháč J., Migliozzi M.: Evolution of New Real and Complex Improper Solutions of the Slotline Dispersion Equation, 27th European Microwave Conference Proccedings, Jerusalem. September 1997, Vol. 2, pp. 1264-1269.

Before 1997

  • Kučera L., Macháč J., Mišek J.: Effect of feedback carrier excitation on LED external quantum efficiency, IEE Proc. Solid-State and Electron Devices, Pt. I, Vol. 129, No. 1, 1982, p. 28.
  • Macháč J.: A static model of DH laser, IEE Proc. Solid-State and Electron Devices, Pt. I, Vol. 130, No. 2, 1983, p. 61.
  • Macháč J.: Impulse response of partially depleted p-i-n photodiode, Journal of the Institute of Electronics and Telecommunication Engineers (India), vol. 32, No. 1, 1986, p. 28.
  • Kadlec J., Macháč J.: Oscillator analysis with respect to higher harmonics, Archiv für Elektrotechnik (Springer International), vol. 76, No. 3, 1993, pp. 243-248.
  • Macháč J.: Analysis of discontinuities in waveguiding structures by MAB method, IEE Proc. Part.H, vol. 139, No. 4, August 1992, pp. 351-357.
  • Macháč J., Menzel W.: On the design of waveguide-to-microstrip and waveguide-to-coplanar line transitions, 23rd European Microwave Conference, Madrid 1993, pp. 615-616.
  • Menzel W., Macháč J.: Waveguide bandpass filters with attenuation of higher-order passbands, 23rd European Microwave Conference, Madrid 1993, pp. 606-607.
  • Macháč J., Zehentner J.: Leaky Waves on a Slot Line, Proceedings of the 1995 International Symposium on Electromagnetic Theory – URSI. St. Petersburg, May 1995, pp. 761-763.
  • Macháč J., Zehentner J., Menzel W.: Short and Open Circuited Slot Line, 1995 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference Proceedings. Rio de Janeiro, July 1995, Vol. 2, pp. 856-861.
  • Macháč J., Zehentner J., Menzel W.: Load Impedances of Complex Slotline Terminations, 25th European Microwave Conference Proceedings, Bologna, September 1995, pp. 610-614.
  • Macháč J., Zehentner J., Menzel W.: Complex Resonant Frequency of Short-Circuited Slot Line Resonator, 40 Internationales Wissenschaftliches Kolloquium. Ilmenau, September 1995, Band 2, pp. 255-259.
  • Macháč J., Zehentner J.: Utilizable Frequency Band and Leaky Wave Phenomenon of the Slotline, XI Intenational Microwave Conference MIKON 96, Warszawa, May 1996, Vol. 1, pp. 193-197.
  • Macháč J., Zehentner J.: Leakage Effects of Dominant and Higher Order Modes on Slotline, 26th European Microwave Conference Proceedings, Prague, September 1996, Vol. 2, pp. 880-884.

Professional career

  • 1977 - 1984 Institute of Radioengineering and Electronics, Czechoslovak Academy of Sciences in Prague
  • 1984 - Faculty of Electrical Engineering CTU in Prague