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ČESKÉ VYSOKÉ UČENÍ TECHNICKÉ V PRAZE
STUDIJNÍ PLÁNY
2019/2020

Antennas

Předmět není vypsán Nerozvrhuje se
Kód Zakončení Kredity Rozsah Jazyk výuky
BE2M17ANT Z,ZK 6 2P+2L
Korekvizita:
Safety in Electrical Engineering for a master´s degree (BEEZM)
Přednášející:
Cvičící:
Předmět zajišťuje:
katedra elektromagnetického pole
Anotace:

Student will get strong knowledge about theory of electromagnetic field radiation and basic principles of antenna design.

Methods of analysis are demonstrated on various types of antennas and their arrays.

Seminars are both theoretical (analytical and numerical calculation using MATLAB and EM simulators CST) and practical (measurement of antenna parameters).

Požadavky:

Good knowledge of electromagnetic field theory (electrodynamics), vector analysis and calculus.

Max. two leaves, in case of measurement seminars student has to perform measurement with other group.

Worked reports on antenna measurements are required.

Osnova přednášek:

1. Transmission lines used for feeding antennas, antenna as a circuit component, equations for radiation of waves

2. Radiation ofo elementary dipole and loop, zones of radiation, directivity, polarization, antenna parameters.

3. Linear (wire) antennas, current distribution, calculation of impedance and radiation, folded dipole.

4. Antenna symmetrization, monopole antennas, antennas for radio transmission, trawelling-wave antennas.

5. Antenna arrays, broadside and endfire antennas, effect of amplitude and phase, radiation pattern of arrays.

6. Reciprocity and Babinet principle, slot antennas and their arrays, microstrip and wideband antennas.

7. Radiation from apertures, equivalent sources, Huygens source, directivity of aperture antennas.

8. Horn antennas, distribution of amplitude and phase of fields in aperture, polarization properties.

9. Reflector antennas, systems off-set, Cassegrain and Gregorian, effective apperture, calculation of radiation.

10. Feeds for reflector antennas, design for low-noise systems, realization of Huygens source.

11. Lenses and radomes, Maxwell, Fresnel, Luneburg and Rotman lens, zoning.

12. Self and mutual impedances, Poynting theorem, stored energy and quality factor of antennas.

13. Theory of characteristic modes for design and analysis of antennas.

14. Radioamateur antennas, peculiar antennas (fractal)

Osnova cvičení:

1. Work with decibels, EIRP, matching, Friis equation, equivalent circuit of antenna

2. Calculation of directivity and radiated power

3. Calculation of array of two dipoles, self impedance of antenna

4. Antenna arrays, mutual impedances

5. Numerical modeling in CST

6. Numerical modeling in CST

7. Radiation from apertures

8. Horn antennas, antenna noise

9. Measurement of antennas

10. Measurement of antennas

11. Measurement of antennas

12. Measurement of antennas

13. Check of reports

14.

Cíle studia:

To physically understand the function of antenna in transmission chain, to know antenna types, parameters and methods of design.

Studijní materiály:

1. Mazánek, M., Pechač, P., Vokurka, J.: Antény a šíření elektromagnetických vln, skripta ČVUT, Praha, 2007.

2. Kraus, J. D.: Antennas, McGraw-Hill, 1988.

3. Stutzman, W., Thiele, G.: Antenna Theory and Design, Wiley, 2012.

4. Balanis, A. C.: Antenna Theory, Wiley, New York, 1997.

5. Prokop, J., Vokurka, J.: Šíření elektromagnetických vln a antény, SNTL, Praha, 1982.

6. Orfanidis, S.: Electromagnetic Waves and Antennas, online http://www.ece.rutgers.edu/~orfanidi/ewa/

7. Notaros, B. M.: Electromagnetics, Prentice Hall, New Jersey, 2011.

Poznámka:
Další informace:
http://moodle.fel.cvut.cz
Pro tento předmět se rozvrh nepřipravuje
Předmět je součástí následujících studijních plánů:
Platnost dat k 18. 10. 2019
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