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Lecturer(s)
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Zálabský Tomáš, Ing. Ph.D.
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Course content
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1. Basic concepts from the theory of electromagnetic waves, spherical and plane waves 2. Propagation of electromagnetic waves, Fresnel zones and radiocommunication equations, signal propagation in specific environments 3. Direct and reflected wave, ground signal propagation, signal propagation by reflection, radio horizon, multipath signal propagation. 4. Signal propagation in the ionosphere, radio communication between satellites and ground stations 5. Signal propagation in the building and properties of the communication channel 6. Antenna parameters - radiation characteristics, directivity, gain, impedance matching, basic antenna elements - dipole and monopole, measurement of antenna parameters in free space and in the anechoic chamber 7. Horn and slot antennas 8. Antennas with reflector 9. Broadband antennas 10. Planar antennas - patch and dipole, design, construction properties, bandwidth, planar antennas for circular polarization 11. Introduction to linear antenna arrays, synthesis based on amplitude adjustment 12. Fourier synthesis of linear antenna array, Weibull synthesis 13.2D antenna arrays, conformal antenna arrays, realization of antenna arrays
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Dialogic (discussion, interview, brainstorming), Laboratory work
- Preparation for laboratory work and processing of results
- 30 hours per semester
- Contact teaching
- 52 hours per semester
- Participation in classes
- 52 hours per semester
- Preparation for an exam
- 16 hours per semester
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Learning outcomes
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The first part of the course is focused on the theory of electromagnetic wave propagation in the open environment, in buildings and in specific environments such as the ionosphere and others. The next part of the course is focused on the definition of basic parameters of antennas and their measurement in free space and in the anechoic chamber. The main part of the course is devoted to a theoretical description of important types of antennas, their design and calculations of parameters of these antennas. The conclusion of the course is devoted to methods of synthesis of linear antenna arrays and planar antenna arrays and their realizations.
The student will gain knowledge in the field of electromagnetic waves in free space and in trannsmision liness. He will also be acquainted with the basic types of antenna elements and the measurement of their parameters. They will also get acquainted in detail with the methods of synthesis of linear antenna arrays.
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Prerequisites
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Basic knowledge of high school mathematics, integral and differential calculus.
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Assessment methods and criteria
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Oral examination, Written examination
The student must demonstrate an understanding of the solved problems during the semester and during the final exam. The specific requirements will be communicated to the students by the teacher in the first week of the semester.
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Recommended literature
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Balanis, Constantine A. Antenna theory: analysis and design. Fourth edition.. Hoboken: New Jersey, 2016. ISBN 978-1-118-64206-1.
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MATUSZCZYK, Jacek. Antény prakticky. 3. české vydání. Praha BEN: technická literatura, 2005. ISBN 80-730-0178-0.
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Mazánek, Miloš. Základy antén, šíření vln a mikrovlnné techniky. Praha: Česká technika - nakladatelství ČVUT, 2008. ISBN 978-80-01-03997-7.
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MITTRA, Raj. Developments in Antenna Analysis and Design: Volume 1,2 [online].. Institution of Engineering and Technology, 2018. ISBN 9781785618888.
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Procházka, Miroslav. Antény : encyklopedická příručka. Praha: BEN - technická literatura, 2005. ISBN 80-7300-166-7.
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