1. [I]nfo
  2. [M]oduli
  3. [B]acheca
  4. [P]rogramma
  5. [O]rari
  6. [E]sami
  7. E[v]enti
  8. [F]iles

Programma di Wireless Electromagnetic Technologies:

WIRELESS ELECTROMAGNETIC TECHNOLOGIES    1. INTRODUCTION TO ANTENNAS Essential chronology. Radiation mechanisms. Types of antennas.   2.ANTENNA BASICS Introduction to transmission lines. Sources of electromagnetic field: impressed, equivalent, images. Radiation Potentials. Green Function.   3. ELEMENTARY ELECTRIC AND MAGNETIC DIPOLES  Static and dynamic regimes (reactive and radiating field). Hertzian dipoles.   4. DISTRIBUTED SOURCES Fraunhofer and Fresnel radiation regions. Propagation as the two-dimensional spatial Fourier Transform.  Radiation parameters: effective length, radiation intensity, directivity, gain. efficiency, beamWidth, polarization.  Equivalent-circuit parameters: input impedance, reflection coefficient, bandwidth, realized gain.   5. COMPUTED AIDED ELECTROMAGNETICS Integral equations of the Electromagnetic Scattering: wire scatterers (Pocklington, Hallen equations), extended scatterers. Method of Moments: theory and FEKO computer solver.   6. BROADCASTING ANTENNAS Half-wave dipole antenna: transmission-line equivalent current, input impedance, series and parallel resonance, radiation pattern, beamwidth, directivity. Folded dipoles, T-match, Gamma Match. Quarter-wave monopole: Marconi antenna.  Loop antennas: transmission-line equivalent, small loop, large loop, series and parallel resonance, radiation pattern, beamwidth, directivity. Frequency tuning, feeding techniques.   7. ARRAYS AND BEAMSHAPING Arrays of Antennas: Array factor, multiplication principle, total gain, taper efficiency.  Uniform linear arrays: visibility windows, radiation pattern, beamwidth, phased beam, broadside and endfire arrays, electronic beam scanning, greating lobes, arrays of dipoles, beamforming networks (tree and bus). Uniform two-dimensional array: beam scanning. Non-Uniform array synthesis: binomial illumination, Tchebyshev illumination, Fourier beam-shaping synthesis,  Alternate Protection synthesis   8. ANTENNAS FOR PERSONAL DEVICES  The microstrip. The slot.  Integrated Patch antennas: transmission-line model, impedance matching, substrates, radiation pattern, efficiency and bandwidth,  PIFA antennas.  Miniaturization techniques: slots, shorting pins, meandering. Broadbanding: multi-layer antennas, stacked configurations. Circular polarization: double-ports, single port configuration.   9. WIRELESS COMMUNICATION LINKS Antennas in receiving mode: Friis formula, Introduction to Radiofrequency Identification.   end 6CFU ==========   10. BROADBAND ANTENNAS Thick dipoles: biconical antennas,  Bow-tie, cylindrical antennas.  Self-scaling antennas: log-periodic antenna, logarithmic spiral, fractals antennas.   11. HIGH GAIN ANTENNAS Yagi-Uda array. Aperture antennas: Fourier transform representation, uniform rectangular aperture, uniform circular aperture, Array equivalence. Reflector Antennas: ray-optic approximation, parabolic reflectors, system gain. 
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