Course Description
Development of Maxwell’s equations and general electromagnetics theory underpinning communication transmission and device applications. Wave propagation in unbounded and bounded media, guided wave propagation in common waveguide geometries, radiation, and antennas.
Athena Title
Communication Electromagnetics
Prerequisite
ELEE 4020
Grading System
A - F (Traditional)
Course Objectives
Objectives: To provide students with the physical and engineering fundamentals of the theory and application of electromagnetic waves in communication devices and transmission media. Outcomes: Students will be able to successfully engage in problem solving and understand electromagnetic wave phenomena at an intermediate level, including wave propagation in unbounded and bounded media, waveguiding, radiation, and antenna operation.
Topical Outline
1.Background and Motivation - Electromagnetic Waves, Lumped and Distributed Circuits, Maxwell’s Eqns. 2. Waves on Transmission Lines – A Circuit Approach Transient Excitation of Transmission Lines - Heuristic Discussion of Transmission Line Behavior - Circuit Models, Transmission Line Equations, and Wave Solution Reflections at Discontinuities, Transient Response of Lossless Line with Resistive Termination - Time Domain Reflectometry, Transmission Line Parameters Steady State Waves on Transmission Lines - Current and Voltage Wave Solutions, Open and Short Circuited Lines - Lines Terminated with Arbitrary Impedance, Power Flow on Lines - Impedance Matching and the Smith Chart 3. Maxwell’s Equations - Introduction, Large-Scale and Differential Forms, Interpretation and Impact - Time Periodic and Plane Wave Solutions. Plane Wave Solution in 3-D - Poynting Theorem - Boundary Conditions and Solution Uniqueness. - Fields Behavior and Power Loss in Conductors. - Skin effect, Skin Resistance and Conductor geometries. 4. Plane Wave Propagation and Reflection Plane Wave Propagation - In a Perfect Dielectric, Polarization - Lossy Dielectrics and Conductors Plane Waves at Normal Incidence to Boundaries - Reflection from Perfect Conductors - Impedance Concept and Analogy to T-lines - Incidence on a Dielectric-Dielectric Boundary - Multiple Dielectrics and Applications Plane Waves Obliquely Incident to Boundaries - Incidence on an Ideal Conductor - Incidence on a Dielectric - Total Internal Reflection - Brewster Angle 5. Radiation and Antennas - Introduction, Types of Radiating Systems - Vector Potential - Electric and Magnetic Dipole Antennas - Systematic Radiating Field Solution - Half-wave Dipole - Radiation Patterns, Gain, Radiation Resistance - Radar Equation, Link Analysis