Antennas II, 5 op

Ydinsisältö

• Broadband antennas. Broadbanding of microstrip antennas.
  Log-periodic and spiral antennas.
  Numerical simulations of broadband antennas.
  
• Quality factor, fundamental limitations on size, efficiency, and bandwidth of antennas. Examples of other resonant antennas.
• Travelling wave antennas, surface waves.
• Aperture antennas. Radiation from a slot, analysis of horn antennas.
• Antenna arrays. Array factor, beam steering, mutual coupling in arrays.
  Numerical simulations of antenna arrays.
  
• Numerical design methods and tools. Construction of antennas (e.g. wideband or multiband antennas).
  Basic antenna measurements. Reporting and interpreting measurement and simulation results.
  
• Bodyworn antennas, on-chip antennas, effect of nearby objects on antenna performance.
  New antenna materials (e.g. textiles)
  

Täydentävä tietämys

• Babinet principle
• Scale models for antennas.
• Pocklington's equation
• Huygens principle
• Antenna synthesis
• Basics of simulation algorithms, e.g. method of moments algorithm.

Erityistietämys

• UWB antennas, parameters characterizing antennas in time-domain
• Method of moments
• Uniform theory of diffraction
• MIMO--systems
• Metamaterials,
  Millimeter-Wave antennas