Study

# Computing

## Application of Electromagnetic Waves in Engineering

• Class 45
• Practice 27
• Independent work 78
Total 150

### Course title

Application of Electromagnetic Waves in Engineering

Elective

183453

5

5

### Course objectives

Difference between lumped elements and distributed-parameter networks; Lumped element model for a transmission line.
Telegrapher equations; Wave equations; General solution and physical interpretation; Voltage and current waves on the transmission line; Reflection coefficient; Standing wave ratio.
Input impedance of the lossless and lossy transmission line; Impedance along the transmission line; Characteristic impedance and propagation coefficient.
Phase and group velocity; Power flow on the transmission line; Lossless line; Low-loss line.
Smith chart; Single-stub tuning; Matching for maximum power transfer.
Time domain response of the transmission line; Pulse propagation; Dispersion and causality; Transmission line with periodic loading; Artificial transmission lines.
Physical interpretation of curl and divergence; The concept of electromagnetic field; Continuity equation; Displacement current; Maxwell equations and their physical interpretation.
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).
Vector wave equation; Construction and interpretation of the solution; Plane waves in lossless and lossy unbounded media; The concepts of impedance and intrinsic impedance.
Normal and oblique incidence of plane waves on lossless and lossy half space; TEM, TE and TM waves.
Normal incidence of plane wave on lossless and lossy half space; Penetration depth.
Oblique incidence of plane wave on lossless half space, TE and TM polarizations.
Parallel plate waveguide; Rectangular waveguide.
Circular waveguide; Dielectric waveguide.

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(.), Engineering Electromagnetics,,
(.), John Willey,
(.), Staelin, Morgenthaler,,
(.), Kong (1994). Electromagnetic,
(.), Waves, Prentice Hall,
(.), F . Ulaby Fundamentals of,
(.), Applied Electromagentics

#### Minimal learning outcomes

• Explain the background physics of EM propagation in free space, unbounded lossless and lossy dielectric, and in guiding structures
• 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
• Explain physical background of EM wave radiation of elemental electric dipole and a simple two-element antenna array
• Compute parameters (characteristic impedance and propagation constant) of TEM transmission line, rectangular waveguide, and dielectric waveguide
• Compute all the parameters needed for one-stub matching of general load
• Compute field distribution in the case of normal and oblique incidence of the EM wave to general half-space
• Identify devices for radiation and guiding of EM energy in communication and electronic engineering systems and explain background physics