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Lecturer(s)
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Fišer Ondřej, doc. Ing. CSc.
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Course content
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This course focuses on the design and synthesis of the antenna systems operating on frequencies up to tens of GHz. Further, the subject is focused on the design of planar, multi-band and size-diminished antennas. An experimental verification of parameters and properties of antennas, such as impedance matching, bandwidth, standing wave ratio at the input of the antenna systém as well as radiation parameters of the antennas including EIRP, the width and shape of the radiated antenna pattern, side-lobes ratio and the antenna forward-to-back ratio using modern instrumentation. Main topics of the course: *Classification of microwave antennas from the point of view of EM wave radiation(horn, planar, dielectric resonator antennas etc.) - topology, spreading of EM fields, properties, simulation and optimization using suitable SW, demonstration of measurements through modern laboratory facility. *Design and synthesis of linear antenna arrays and fields (Taylor, Dolph-Chebyshevova, Fourier and other synthesis methods), antenna array and field factors - design, properties, simulation and optimization using a suitable SW *Construction of linear antenna arrays and fields - topology, design process, properties, simulation and optimization using suitable SW, measurement of selected exemplar circuits
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Learning activities and teaching methods
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Dialogic (discussion, interview, brainstorming), Methods of individual activities, Laboratory work
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Learning outcomes
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The subject aims to provide students with insight to the microwave antennas theory and design methods including numerical simulations and measurement. The acquired theoretical knowledge are then applied on individual microwave antenna systems using a systematic approach.
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Prerequisites
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unspecified
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Assessment methods and criteria
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Oral examination, Written examination, Home assignment evaluation
The student completes at least 3 consultations during the semester concerning the theoretical content of the course. The student will pass at least 2 consultations concerning the assigned practical work. In the framework of the practical work, the student will design and synthesize the 2D electromagnetic field of antenna , formulate its model in the CST MW Studio, where he will optimize it. Subsequently, the student will constructs the circuit and validate it on a real laboratory facility.
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Recommended literature
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Balanis, Constantine A. Antenna theory: analysis and design. ISBN 978-0471667827.
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Johnson, Richard C. Antenna engineering handbook. New York: McGraw-Hill, 1993. ISBN 0-07-032381-X.
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Mazánek, Miloš. Šíření elektromagnetických vln a antény. Pardubice: Univerzita Pardubice, 2004. ISBN 80-01-03032-6.
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Milligan, Thomas A. Modern antenna design. Hoboken: John Wiley & Sons, 2005. ISBN 0-471-45776-0.
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