Course
PostgraduateSemester
Sem. ISubject Code
AVR611Subject Title
Advanced Electromagnetic EngineeringSyllabus
Introduction to waves: The wave equation, waves in perfect dielectrics, lossy matter, reflection of waves, transmission line concepts, waveguide and resonator concepts, radiation and antenna concepts. Theorems and concepts: Duality, uniqueness, image theory, the equivalence principle, induction theorem, reciprocity theorem, Green’s function and integral equation. Plane wave functions: The wave function, plane waves, rectangular waveguide and cavity, partially filled waveguide, dielectric slab waveguide, surface guided waves, currents in waveguides. Cylindrical wave function: The wave function, circular waveguide and cavity, radial waveguides, source of cylindrical waves, wave transformations, scattering by cylinders and wedges, apertures in cylinders and wedges. Spherical wave function: The wave function, spherical cavity, space as waveguide, source of spherical waves, scattering by sphere, apertures in sphere. Green’s Functions: Green’s function technique for the solution of partial differential equations, classification of Green’s functions, various methods for the determination of Green’s functions including Fourier transform technique and Ohm-Rayleigh technique, dyadic Green’s functions, determination of Green’s functions for free space, transmission lines, waveguides, and micro strips.
Text Books
Same as Reference
References
1. Time Harmonic Electromagnetic Fields, R. F. Harrington, Wiley Interscience, IEEE Press, 2001.
2. C. A. Balanis, Advanced Electromagnetic Engineering, John Wiley & Sons, 1989.
3. Field Theory of Guided Waves, R. E. Collin, 2nd Ed, Wiley Interscience, IEEE Press, 1991.
Course Outcomes (COs):
CO1: Familiarize fundamental concepts of electromagnetic theory using Maxwell’s equation in different format, wave equations, different coordinate system and their applications in different medium and boundary conditions.
CO2: Understand wave equation, boundary conditions and familiarize solutions wave equation in interfaces like dielectric-metal, dielectric-dielectric and various cases of polarization’
CO3: Familiarize with wave impedance, medium impedance, skin-effect, skin-depth, pointing vector and applying them in various guiding and propagating cases.
CO4: Apply plane waves for various guiding medium such as rectangular, dielectric, dielectric slab, partially filled waveguides, rectangular cavity resonator and associated modes and currents and understanding their uses for real world applications.
CO5: Learn the wave function and applying it in circular waveguide and cavity, radial waveguides and practical applications of cylindrical /spherical waves and wave transformations in scattering by cylinders and wedges, apertures in cylinders and wedges and scattering in spherical objects
CO6: Apply microwave network concepts in obstacles and posts in waveguides, diaphragms in waveguides, waveguide junctions, waveguide feeds, excitation of apertures, modal expansion in cavities and probes in cavities