JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To solve electromagnetic field problems using analytical techniques.
• 2. To know the electrical properties of different materials.
• 3. To understand the significance the electromagnetic theorems.
• 4. To know the structure of spherical cavity and propagation of waves.

Course Outcomes

Students will be able to:

• 1. Utilize the Maxwell’s equation in solving Electromagnetic problems.
• 2. Solve wave equation in time varying and time-harmonic fields
• 3. Identify the properties of different media and materials.
• 4. Use cylindrical and spherical cavities for transmission of wave.

UNIT - I

Time -Varying and Time-Harmonic Electromagnetic Fields: Introduction, Maxwell’s Equations, constitutive parameters and relations, circuit-Field relations, Boundary conditions, power and Energy, Time-Harmonic Electromagnetic Fields. Electrical properties of Matter: Dielectrics, Polarization and Permittivity, Magnetics, Magnetization and Permeability, current, conductors and conductivity, semiconductors, superconductors, Metamaterials, Linear, Homogeneous, Isotropic and Nondispersive media, AC variations in Materials.

UNIT - II

Wave Equation and its Solutions: Time-varying Electromagnetic fields, Time-Harmonic Electromagnetic Fields, Solution to the wave equation. Wave propagation and Polarization: Transverse Electromagnetic modes, Transverse Electromagnetic modes in Lossy Media, Polarization.

UNIT - III

Reflection and Transmission: Normal incidence-lossless media, Oblique Incidence-lossless Media, Lossy media, Reflection and Transmission of Multiple Interfaces, Polarization Characteristics on Reflection.

UNIT - IV

Electromagnetic Theorems and Principles: Duality Theorem, Uniqueness Theorem, Image Theory, Reciprocity Theorem, Reaction Theorem, Volume Equivalence Theorem, Surface Equivalence Theorem, Induction Theorem.

UNIT - V

Spherical Transmission Lines and Cavities: Introduction, Construction of Solutions, Biconical Transmission Lines, Spherical Cavity. Scattering: Infinite Line-Source Cylindrical Wave Radiation, Plane Wave Scattering by Planar Surfaces, Cylindrical Wave Transformations and Theorems, Scattering by a Circular Cylinder, Scattering by conducting wedge.

TEXT BOOKS:

• 1. Constantine A. Balanis - Advanced Engineering Electromagnetics, 2nd Ed., Wiley India Pvt. Ltd., 2012

REFERENCE BOOKS:

• 1. Harrington, R.F- Time-harmonic Electromagnetic Fields, Wiley-IEEE Press. 2001
• 2. Ramo S., Whinnery J.R., and Van Duzer T - Fields and Waves in Communication Electronics, 3rd Ed., John Wiley & Sons. 1994
• 3. Collin, R.E - Foundations for Microwave Engineering, 2nd Ed., John Wiley & Sons, 2000 M.TECH.- I YEAR- I SEMESTER MICROWAVE AND RADAR ENGINEERING