Guia docente 2020_21
Escola de Enxeñaría de Telecomunicación
Degree in Telecommunications Technologies Engineering - Teaching in English
 Subjects
  Electromagnetic Transmission
   Contents
Topic Sub-topic
Introduction Types of transmission media, advantages and disadvantages, characterisation.
Transmission lines Getting started with some of the most commonly used transmission lines: two-wire, coaxial cable, twisted pair.
Circuit model of distributed parameters ,general equations, characteristic parameters (characteristic impedance, propagation velocity, attenuation and phase coefficients).
Attenuation, dispersion and crosstalk.
Transmission line in a circuit (reflection coefficient, standing wave ratio, input impedance).
Smith Chart.
Waveguides Transmission modes, cutoff frequency, guided wavelength, wave impedance. Rectangular waveguide.
Optical fiber. Structure and types.
Numerical aperture and acceptance cone.
Attenuation and dispersion.
Optical sources and receivers.
Radiowaves and antennas Characteristics of radiowaves: far field, radiation integral.
Antenna concept and fundamental parameters (radiation pattern, secondary lobe level, beamwidth, directivity, gain, polarisation, impedance).
Reception: power balance in free space (Friis equation), polarization loss factor.
Antenna arrays.
Labs - Measurement and analysis of voltage and current waves and standing waves.
- Optical fiber transmission fundamentals.
- Basic impedance matching technics.
- Radiation pattern plots.
- Measurement of antenna basic parameters.
- Problem resolution.
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