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Electromagnetic fields

02MTKNX

A.A. 2023/24

2021/22

Electromagnetic fields

The course in taught in English. The transport of information, in any electronic or photonic system, always occurs through the propagation of electromagnetic waves. These phenomena are completely described by Maxwell's equations, whose methodological study constitutes a fundamental point of all the curriculum in electronic and telecommunications engineering. In addition to the classic applications in the field of radio frequency, microwave, millimeter-wave and optic communications, the continuous growth of electronic technology makes it necessary to consider properly the electromagnetic phenomena in the design of almost all the electronic components and subsystems.

Electromagnetic fields

The course in taught in English. The transport of information, in any electronic or photonic system, always occurs through the propagation of electromagnetic waves. These phenomena are completely described by Maxwell's equations, whose methodological study constitutes a fundamental point of all the curriculum in electronic and telecommunications engineering. In addition to the classic applications in the field of radio frequency, microwave, millimeter-wave and optic communications, the continuous growth of electronic technology makes it necessary to consider properly the electromagnetic phenomena in the design of almost all the electronic components and subsystems.

Electromagnetic fields

Ability to understand the phenomena associated with dynamic electromagnetic fields, and in particular with time-harmonic fields, for the most relevant applications of information engineering: electronic components and subsystems for RF, microwave and millimeter waves, and wireless propagation at-large. Ability to apply analytical methods to analysis and the simple designs to the above-mentioned applications of the electromagnetic fields.

Electromagnetic fields

Ability to understand the phenomena associated with dynamic electromagnetic fields, and in particular with time-harmonic fields, for the most relevant applications of information engineering: electronic components and subsystems for RF, microwave and millimeter waves, and wireless propagation at-large. Ability to apply analytical methods to analysis and the simple designs to the above-mentioned applications of the electromagnetic fields.

Electromagnetic fields

Basic math and calculus, and in particular ability to perform computations involving complex numbers and vector quantities; study of functions, basic knowledge and ability to solve problems on: multi-dimensional differential and integral calculus, differential and integral calculus of vector fields. Basic knowledge and ability to perform computations involving functions of complex variable and Fourier transforms. Basic knowledge and ability to solve problems on ordinary differential equations (of second order). Fundamentals of physics on electrical, magnetic and electromagnetic quantities and on the energy properties of the electromagnetic field. Circuit theory: ability to solve problems on the time-harmonic analysis of linear networks (sinusoidal regime).

Electromagnetic fields

Basic math and calculus, and in particular ability to perform computations involving complex numbers and vector quantities; study of functions, basic knowledge and ability to solve problems on: multi-dimensional differential and integral calculus, differential and integral calculus of vector fields. Basic knowledge and ability to perform computations involving functions of complex variable and Fourier transforms. Basic knowledge and ability to solve problems on ordinary differential equations (of second order). Fundamentals of physics on electrical, magnetic and electromagnetic quantities and on the energy properties of the electromagnetic field. Circuit theory: ability to solve problems on the time-harmonic analysis of linear networks (sinusoidal regime).

Electromagnetic fields

• Transmission lines and distributed parameter components (3 CFU): line equations and their solution; Smith chart; impedance matching; scattering parameters and scattering matrix; transmission line transients. • Maxwell equations (1 CFU). • Electromagnetic wave propagation in homogeneous media: plane waves (1 CFU). • Electromagnetic wave propagation in metallic waveguides (2 CFU): propagation modes and their properties; rectangular waveguide; circular waveguide and coaxial cable; simple discontinuities and their use; losses; excitation terms. • Electromagnetic wave radiation and antennas (3 CFU): radiation in free-space; antenna characteristic parameters, radio-link budget; introduction to antennas; dipoles; aperture antennas; arrays (basics).

Electromagnetic fields

• Transmission lines and distributed parameter components (3 CFU): line equations and their solution; Smith chart; impedance matching; scattering parameters and scattering matrix; transmission line transients. • Maxwell equations (1 CFU). • Electromagnetic wave propagation in homogeneous media: plane waves (1 CFU). • Electromagnetic wave propagation in metallic waveguides (2 CFU): propagation modes and their properties; rectangular waveguide; circular waveguide and coaxial cable; simple discontinuities and their use; losses; excitation terms. • Electromagnetic wave radiation and antennas (3 CFU): radiation in free-space; antenna characteristic parameters, radio-link budget; introduction to antennas; dipoles; aperture antennas; arrays (basics).

Electromagnetic fields

Electromagnetic fields

Electromagnetic fields

1. Measurements of scattering parameters for microstrip components with network analyser. (descriptive) 2. Measurements of scattering parameters with the slotted line. 3. Measurement of antenna radiation pattern.

Electromagnetic fields

The course consists of lectures and classroom exercise sessions, as well as laboratory exercises following the program of the main lectures. The laboratory exercises concern instead the analysis of the scattering parameters of some components in microstrip and the simulation of the radiation pattern of some simple antennas. Throughout the duration of the course will also be proposed exercises to be carried out at home and to be delivered in electronic format to obtain an additional bonus in the exam.

Electromagnetic fields

D. Pozar, Microwave Engineering, Addison Wesley, 1990. Material on selected parts of the course available on the web portal. Also available on the web portal: information on course, course handouts, assigned problems.

Electromagnetic fields

D. Pozar, Microwave Engineering, Addison Wesley, 1990. Material on selected parts of the course available on the web portal. Also available on the web portal: information on course, course handouts, assigned problems.

Electromagnetic fields

Modalità di esame: Test informatizzato in laboratorio; Prova orale facoltativa;

Electromagnetic fields

The exam consists of a mandatory 3 problem-solving written test (time available: 2h) with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

Electromagnetic fields

Exam: Computer lab-based test; Optional oral exam;

Electromagnetic fields

The exam will be made by a computer test containing both exercises and theoretical questions with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

Electromagnetic fields

Modalità di esame: Prova orale facoltativa; Prova scritta a risposta aperta o chiusa tramite PC con l'utilizzo della piattaforma di ateneo Exam integrata con strumenti di proctoring (Respondus);

Electromagnetic fields

The exam will be made by a computer test containing both exercises and theoretical questions with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

Electromagnetic fields

Exam: Optional oral exam; Computer-based written test with open-ended questions or multiple-choice questions using the Exam platform and proctoring tools (Respondus);

Electromagnetic fields

The exam will be made by a computer test containing both exercises and theoretical questions with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

Electromagnetic fields

Modalità di esame: Prova orale facoltativa; Prova scritta a risposta aperta o chiusa tramite PC con l'utilizzo della piattaforma di ateneo Exam integrata con strumenti di proctoring (Respondus);

Electromagnetic fields

The exam will be made by a computer test containing both exercises and theoretical questions with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

Electromagnetic fields

Exam: Optional oral exam; Computer-based written test with open-ended questions or multiple-choice questions using the Exam platform and proctoring tools (Respondus);

Electromagnetic fields

The exam will be made by a computer test containing both exercises and theoretical questions with maximum score equal to 27/30 during which it is strictly avoided to bring developed exercises, notes or textbooks. To reach the maximum score it is possible to hold an oral exam. In addition a bonus of up to 2 points can be obtained by completing and turning in the homeworks which will be weekly assisgned during the course.

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