Popis předmětu - BE2B17ELD
Přehled studia |
Přehled oborů |
Všechny skupiny předmětů |
Všechny předměty |
Seznam rolí |
Vysvětlivky
Návod
BE2B17ELD | Electrodynamics | ||
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Role: | Rozsah výuky: | 2P+2C | |
Katedra: | 13117 | Jazyk výuky: | EN |
Garanti: | Zakončení: | Z,ZK | |
Přednášející: | Kreditů: | 4 | |
Cvičící: | Semestr: | L |
Webová stránka:
https://moodle.fel.cvut.cz/courses/BE2B17ELDAnotace:
This subject empowers its students with a unified approach to time-varying electromagnetic fields and waves.Cíle studia:
Enable students to understand basic electrodynamics.Obsah:
Electromegnetic waves in free space and various materials. Transmission and reflection at media interfaces. Polarization, skin-effect.Osnovy přednášek:
1. | Various potentials used in electromagnetics. Calibration, basic equations. | |
2. | Conditions at media interfaces (boundary conditions). Wave equation, including sources. Phase and group velocity, damping, polarization, wave impedance, dispersion. | |
3. | Electromagnetic fields in various media - interaction. Polarization, magnetization. | |
4. | Power transmission. Plane, cilindrical and spherical waves. Fermato principle. | |
5. | Waves at media interfaces, including lossy ones. Snell's law, Fresnell equations. | |
6. | Total reflection and evanescent waves. Brewster angle and polarization. | |
7. | Wave interaction with layered media. Quarter-wave transformer.. | |
8. | Lines supporting TEM waves. Telegraph equations. Characteristic and wave impedance. Power transmission, losses. | |
9. | Guided and evanescent waves. Modes, impedance, phase and group velocities, power trřansmission. | |
10. | Dielectric waveguides. Resonators. | |
11. | Integral formulation of dynamic fields. Green's function, retarded potentials. Elementary radiators. | |
12. | Near, intermediary and farfield description of fields emited by radiators. | |
13. | Waves in anisotropic media (including interfaces with such one). | |
14. | Introduction to numerical electromagnetics. |
Osnovy cvičení:
1. | Scalar and vector potential, Hertz vectors. | |
2. | Conditions at media interfaces (boundary conditions). Wave equation, including sources. Phase and group velocity, damping, polarization, wave impedance, dispersion. | |
3. | Electromagnetic fields in various media - interaction. Polarization, magnetization. Total transmission. | |
4. | Power transmission. Plane, cilindrical and spherical waves. | |
5. | Simple calculations of waves reflecting at interfaces between dielectrics.. | |
6. | Detailed calculation of reflection and surface waves for arbitrary incident waves and media. | |
7. | Design of a quarter-wave transformer. Propagation through layered media. Lens coating. | |
8. | Design considerations for a coaxial line and connectors. | |
9. | Guided and evanescent waves.Calculation of arbitrary-crossection waveguide properties. | |
10. | Dielectric waveguides - propagation constants, evanescent fields, coating thickness. Resonators. Calculation of resonant frequencies for different modes. | |
11. | Field description - elementary radiators. | |
12. | Nearfield and farfield description of fields excited by elementary and quarter-wave dipoles.. | |
13. | Evaluation of propagation parameters in inisotropis media. | |
14. | Simple field solution using FDTD. |
Literatura:
Stratton, J. A.: Electromagnetic Theory. John Wiley and sons. IEEE Press, Piscataway 2007Požadavky:
Knowledge of calculus in 1-D, 2D and 3D. Vectors, Scalar and vector products.Klíčová slova:
electrodynamics, electromagnetic waves, guided wavesPředmět je zahrnut do těchto studijních plánů:
Plán | Obor | Role | Dop. semestr |
Stránka vytvořena 22.7.2024 17:51:06, semestry: Z,L/2023-4, Z,L/2024-5, připomínky k informační náplni zasílejte správci studijních plánů | Návrh a realizace: I. Halaška (K336), J. Novák (K336) |