ELT-47447 Antennas II, 5 cr
Lisätiedot
Suitable for postgraduate studies.
Vastuuhenkilö
Jari Kangas, Jouko Heikkinen
Opetus
| Toteutuskerta | Periodi | Vastuuhenkilö | Suoritusvaatimukset |
| ELT-47447 2019-01 | 4 |
Jari Kangas |
The following tasks are mandatory: (1) Antenna array task (simulation and documentation) (2) Design, simulation, construction, measurement and documentation of an antenna structure (group work) (3) Online tasks & homework (certain amount of the points available is required to pass) (4) Essay & presentation The total grade is weighted sum of the individual task grades |
Osaamistavoitteet
After completing the course, * student is able to explain features of common antenna types and reason their differences. * student is able to explain principles of radiation from common antenna types. * student is able to design wideband/multiband antennas. * student can apply numerical simulation tools to common antenna design problems and has experience is interpreting their results. * student has experience in constructing antenna type(s) and in use of measurement results in evaluating properties of the constructed antenna(s). * student is able to find information from relevant literature and create a scientific report describing his/her work.
Sisältö
| Sisältö | Ydinsisältö | Täydentävä tietämys | Erityistietämys |
| 1. | Broadband antennas. Broadbanding of microstrip antennas. Log-periodic and spiral antennas. Numerical simulations of broadband antennas. | Babinet principle | UWB antennas, parameters characterizing antennas in time-domain |
| 2. | Quality factor, fundamental limitations on size, efficiency, and bandwidth of antennas. Examples of other resonant antennas. | Scale models for antennas. | |
| 3. | Travelling wave antennas, surface waves. | Pocklington's equation | Method of moments |
| 4. | Aperture antennas. Radiation from a slot, analysis of horn antennas. | Huygens principle | Uniform theory of diffraction |
| 5. | Antenna arrays. Array factor, beam steering, mutual coupling in arrays. Numerical simulations of antenna arrays. | Antenna synthesis | MIMO--systems |
| 6. | Numerical design methods and tools. Construction of antennas (e.g. wideband antennas). Basic antenna measurements. Reporting and interpreting measurement and simulation results. | Basics of simulation algorithms, e.g. method of moments algorithm. | |
| 7. | Bodyworn antennas, on-chip antennas, effect of nearby objects on antenna performance. New antenna materials (e.g. textiles) | Metamaterials, Millimeter-Wave antennas |
Esitietovaatimukset
| Opintojakso | P/S | Selite |
| ELT-47206 Basics of RF Engineering | Advisable | |
| ELT-47426 Transmission Lines and Waveguides | Advisable | |
| ELT-47436 Antennas I | Mandatory |
Vastaavuudet
| Opintojakso | Vastaa opintojaksoa | Selite |
| ELT-47447 Antennas II, 5 cr | ELT-47446 Antennas, 8 cr |