Popis predmeta

Course Description

The difference between lumped and distributed parameters, the equivalent circuit of a differential section of a transmission line, physical explanation of all the elements of the equivalent circuit. Physical explanation of the phenomenon of reflection, the equation of the current and voltage at the differential section of a transmission line. Wave equation for lossless transmission line, general form of the solution and its physical interpretation. The form of the wave equation solution for an excitation signal with sinusoidal waveform, physical interpretation. Physical interpretation of the phase velocity, group velocity and the dispersion phenomenon. The phenomenon of standing wave at the transmission line and its physical explanation. Input impedance of the losses and lossy transmission line terminated with a reactive load. Explanation of the graph that shows an impedance as a function of the location along the transmission line. Definition of a reflection coefficient, standing wave ratio, Smith chart, the principle of matching. Physical interpretation of the divergence and curl of a vector field, the basic idea of electromagnetic field. Continuity equation, displacement current, Maxwell's equations and their physical interpretation. Physical interpretation of permittivity and permeability, isotropic and anisotropic materials. Boundary conditions at the interface between two dielectrics, at the interface between the dielectric and conductor, perfect electric conductor (PEC), perfect magnetic conductor (PMC). Vector wave equation, interpretation of the solutions, the concept of plane wave. The flow of electromagnetic energy, Poynting vector, wave vector. Intrinsic impedance and a concept of the impedance. Reflection and transmission of normally incident plane waves (the media with and without losses, penetration depth). Reflection and transmission of plane waves with oblique incidence (lossless medium, TE and TM polarization). Parallel-plate waveguide, the physical interpretation of wave propagation. Rectangular waveguide, modes of propagation, wave impedance, propagation factor, phase and group velocities. Electromagnetic resonators, quality factor, degenerate modes, single-mode resonator, multi-mode resonators. Electromagnetic wave propagation in the dielectric slab. Comparison of structures for guiding of electromagnetic waves: two-wire line, coaxial line, metal waveguide, the dielectric slab, fiber, planar structures. Vector potential, the concept radiation, Hertz dipole. Basic antenna parameters, the antenna array with two radiating elements.

Learning Outcomes

  1. Explain the background physics of EM propagation in free space, unbounded lossless and lossy dielectric, and in guiding structures
  2. Explain physical meaning of Maxwell equations in differential and integral form, vector wave equation and its solutions for traveling wave, standing wave, and evanescent wave
  3. Explain physical background of EM wave radiation of elemental electric dipole and a simple two-element antenna array
  4. Compute parameters (characteristic impedance and propagation constant) of TEM transmission line, rectangular waveguide, and dielectric waveguide
  5. Compute all the parameters needed for one-stub matching of general load
  6. Compute field distribution in the case of normal and oblique incidence of the EM wave to general half-space
  7. Identify devices for radiation and guiding of EM energy in communication and electronic engineering systems and explain background physics

Forms of Teaching

Lectures

Exercises

Independent assignments

Laboratory

Week by Week Schedule

  1. Difference between lumped elements and distributed-parameter networks, Lumped element model for a transmission line
  2. Telegrapher equations; Wave equations; General solution and physical interpretation, Voltage and current waves on the transmission line; Reflection coefficient; Standing wave ratio
  3. Input impedance of the lossless and lossy transmission line; Impedance along the transmission line, Characteristic impedance and propagation coefficient
  4. Phase and group velocity, Power flow on the transmission line, Lossless line; Low-loss line
  5. Smith chart, Single-stub tuning, Matching for maximum power transfer
  6. Time domain response of the transmission line; Pulse propagation; Dispersion and causality, Transmission line with periodic loading; Artificial transmission lines
  7. Physical interpretation of curl and divergence; The concept of electromagnetic field, Continuity equation; Displacement current; Maxwell equations and their physical interpretation
  8. Midterm exam, Permittivity an permeability; Physical interpretation; The concepts of isotropic and anisotropic materials, Boundary conditions at the interface ; The concepts of perfect electric conductor (PEC) and perfect magnetic conductor (PMC)
  9. Vector wave equation; Construction and interpretation of the solution; Plane waves in lossless and lossy unbounded media, The concepts of impedance and intrinsic impedance
  10. Normal and oblique incidence of plane waves on lossless and lossy half space, TEM, TE and TM waves
  11. Normal incidence of plane wave on lossless and lossy half space; Penetration depth
  12. Oblique incidence of plane wave on lossless half space, TE and TM polarizations
  13. Parallel plate waveguide, Rectangular waveguide
  14. Circular waveguide, Dielectric waveguide
  15. Final exam, Elementary radiation sources

Study Programmes

University undergraduate
Computing (study)
Free Elective Courses (5. semester)
Electrical Engineering and Information Technology (study)
Free Elective Courses (5. semester)
University graduate
Audio Technologies and Electroacoustics (profile)
Free Elective Courses (1. semester) (3. semester)
Communication and Space Technologies (profile)
Core-elective course (1. semester)
Computational Modelling in Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Computer Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Computer Science (profile)
Free Elective Courses (1. semester) (3. semester)
Control Systems and Robotics (profile)
Free Elective Courses (1. semester) (3. semester)
Data Science (profile)
Free Elective Courses (1. semester) (3. semester)
Electrical Power Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Electric Machines, Drives and Automation (profile)
Free Elective Courses (1. semester) (3. semester)
Electronic and Computer Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Electronics (profile)
Elective Courses of the Profile (1. semester) (3. semester)
Information and Communication Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Network Science (profile)
Free Elective Courses (1. semester) (3. semester)
Software Engineering and Information Systems (profile)
Free Elective Courses (1. semester) (3. semester)

Literature

(.), Z. Smrkić (1986). Mikrovalna elektronika, Školska Knjiga,
(.), C.Balanis (1989). Advanced,
(.), Engineering Electromagnetics,,
(.), John Willey,
(.), Staelin, Morgenthaler,,
(.), Kong (1994). Electromagnetic,
(.), Waves, Prentice Hall,
(.), F . Ulaby Fundamentals of,
(.), Applied Electromagentics,

For students

General

ID 183453
  Winter semester
5 ECTS
L3 English Level
L2 e-Learning
45 Lectures
15 Exercises
12 Laboratory exercises

Grading System

Excellent
Very Good
Good
Acceptable

Learning Outcomes

  1. Explain the background physics of EM propagation in free space, unbounded lossless and lossy dielectric, and in guiding structures
  2. Explain physical meaning of Maxwell equations in differential and integral form, vector wave equation and its solutions for traveling wave, standing wave, and evanescent wave
  3. Explain physical background of EM wave radiation of elemental electric dipole and a simple two-element antenna array
  4. Compute parameters (characteristic impedance and propagation constant) of TEM transmission line, rectangular waveguide, and dielectric waveguide
  5. Compute all the parameters needed for one-stub matching of general load
  6. Compute field distribution in the case of normal and oblique incidence of the EM wave to general half-space
  7. Identify devices for radiation and guiding of EM energy in communication and electronic engineering systems and explain background physics

Forms of Teaching

Lectures

Exercises

Independent assignments

Laboratory

Week by Week Schedule

  1. Difference between lumped elements and distributed-parameter networks, Lumped element model for a transmission line
  2. Telegrapher equations; Wave equations; General solution and physical interpretation, Voltage and current waves on the transmission line; Reflection coefficient; Standing wave ratio
  3. Input impedance of the lossless and lossy transmission line; Impedance along the transmission line, Characteristic impedance and propagation coefficient
  4. Phase and group velocity, Power flow on the transmission line, Lossless line; Low-loss line
  5. Smith chart, Single-stub tuning, Matching for maximum power transfer
  6. Time domain response of the transmission line; Pulse propagation; Dispersion and causality, Transmission line with periodic loading; Artificial transmission lines
  7. Physical interpretation of curl and divergence; The concept of electromagnetic field, Continuity equation; Displacement current; Maxwell equations and their physical interpretation
  8. Midterm exam, Permittivity an permeability; Physical interpretation; The concepts of isotropic and anisotropic materials, Boundary conditions at the interface ; The concepts of perfect electric conductor (PEC) and perfect magnetic conductor (PMC)
  9. Vector wave equation; Construction and interpretation of the solution; Plane waves in lossless and lossy unbounded media, The concepts of impedance and intrinsic impedance
  10. Normal and oblique incidence of plane waves on lossless and lossy half space, TEM, TE and TM waves
  11. Normal incidence of plane wave on lossless and lossy half space; Penetration depth
  12. Oblique incidence of plane wave on lossless half space, TE and TM polarizations
  13. Parallel plate waveguide, Rectangular waveguide
  14. Circular waveguide, Dielectric waveguide
  15. Final exam, Elementary radiation sources

Study Programmes

University undergraduate
Computing (study)
Free Elective Courses (5. semester)
Electrical Engineering and Information Technology (study)
Free Elective Courses (5. semester)
University graduate
Audio Technologies and Electroacoustics (profile)
Free Elective Courses (1. semester) (3. semester)
Communication and Space Technologies (profile)
Core-elective course (1. semester)
Computational Modelling in Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Computer Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Computer Science (profile)
Free Elective Courses (1. semester) (3. semester)
Control Systems and Robotics (profile)
Free Elective Courses (1. semester) (3. semester)
Data Science (profile)
Free Elective Courses (1. semester) (3. semester)
Electrical Power Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Electric Machines, Drives and Automation (profile)
Free Elective Courses (1. semester) (3. semester)
Electronic and Computer Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Electronics (profile)
Elective Courses of the Profile (1. semester) (3. semester)
Information and Communication Engineering (profile)
Free Elective Courses (1. semester) (3. semester)
Network Science (profile)
Free Elective Courses (1. semester) (3. semester)
Software Engineering and Information Systems (profile)
Free Elective Courses (1. semester) (3. semester)

Literature

(.), Z. Smrkić (1986). Mikrovalna elektronika, Školska Knjiga,
(.), C.Balanis (1989). Advanced,
(.), Engineering Electromagnetics,,
(.), John Willey,
(.), Staelin, Morgenthaler,,
(.), Kong (1994). Electromagnetic,
(.), Waves, Prentice Hall,
(.), F . Ulaby Fundamentals of,
(.), Applied Electromagentics,

For students

General

ID 183453
  Winter semester
5 ECTS
L3 English Level
L2 e-Learning
45 Lectures
15 Exercises
12 Laboratory exercises

Grading System

Excellent
Very Good
Good
Acceptable