|SCIENTIFIC DISCIPLINARY SECTOR
|Questo insegnamento è un modulo di:
AIMS AND CONTENT
The course provides knowledge and skills concerning antennas and guided electromagnetic propagation, with reference to both their working principles and their use in different applicative fields. The following main topics will be addressed. Fundamentals of electromagnetic radiation and antenna parameters. Linear antennas, aperture antennas, reflector antennas, printed antennas. Antenna Arrays. MIMO systems for multimedia communications. Smart and reconfigurable antennas. Wide band antennas for high–speed internet links. Antenna systems for industrial, civil and biomedical applications. Fundamentals of guided propagation. Longitudinal-transverse decompositions of Maxwell's equations, TEM, TE, TM modes, rectangular waveguides, higher TE and TM modes, operating bandwidth, power transfer an attenuation, group velocity in waveguides, reflection model of waveguide propagation, dielectric slab guides. Oblique incidence and Snel's laws, Zenneck surface wave, surface plasmons. Plasmonic waveguides, plasmonic and oscillatory modes, MDM and DMD configurations. RFID technology, active and passive RFID tags, plasmonic RFID.
AIMS AND LEARNING OUTCOMES
Acquire skills to face simple electromagnetic problems in accordance with the syllabus
Remarks on electromagnetic fields. Maxwell's equations and constitutive equations.
Free space radiation (first part): Propagation and attenuation of electromagnetic waves in lossless media. Plane waves. Remarks on electromagnetic radiation generated by e.m. sources. Near field and far field regions.
Guided propagation: Uniform trasmission lines. Characteristic impedance, loads, input impedance. Examples of transmission lines used in applications. Basic concepts abour waveguide. Rectangular waveguides.
Free space radiation (second part): Effects of the atmosphere. Varios types of links. Telecomunication systems from the point of view of the electromagnetic propagation. Urban propagation and models.
Orfanidis, S.J. (2013) Electromagnetic Waves and Antennas. Rutgers University.
TEACHERS AND EXAM BOARD
ANDREA RANDAZZO (President)
ALESSANDRO FEDELI (President Substitute)
L'orario di tutti gli insegnamenti è consultabile all'indirizzo EasyAcademy.
Answer questions about theory and solve simple exercises