Now showing items 12-13 of 13

  • Radiation Efficiency Improvement of Zeroth-Order Resonator Antenna 

    Vrba, D.; Polivka, M. (Společnost pro radioelektronické inženýrství, 2009-04)
    The radiation as well as antenna efficiency of very thin profile zeroth-order resonator (ZOR) antenna, implemented in negative phase velocity (NPV) microstrip transmission line (TL) structure, has been solved by the method ...
  • Simple Electromagnetic Modeling of Small Airplanes: Neural Network Approach 

    Koudelka, V.; Raida, Zbyněk; Tobola, P. (Společnost pro radioelektronické inženýrství, 2009-04)
    The paper deals with the development of simple electromagnetic models of small airplanes, which can contain composite materials in their construction. Electromagnetic waves can penetrate through the surface of the aircraft ...