سرفصل و ریز محتوا دوره میدان ها و امواج

سرفصل و ریز محتوا دوره میدان ها و امواج

Introduction to Electromagnetic Waves and Their Applications

Maxwell s Equations

Maxwell s equations, Faraday's and Ampere's law

Phasor notation and Maxwell s equations in frequency domain

Constitutive relations and media parameters

Boundary conditions

Wave equation, simple electromagnetic wave

Lorentz gauge, retarded potentials, radiation field of a short dipole

Conservation of power and Poynting theorem

(*) Relationship between field and circuit theory (KVL and KCL laws, inductors, capacitors, resistors)

Transmission Lines

Transmission line equations from field theory, TEM wave on transmission lines

Transmission line equations from lumped element equivalent circuit

Lossy transmission lines

Voltages, currents, input impedance, reflection, transmission, characteristic impedance

Impedance transformations, impedance matching, and Smith Chart

Propagation of pulses on transmission lines, zigzag or bounce diagrams, using Laplace transform

Microstrip lines, coaxial lines, two wire lines: design equations

Scattering parameters, properties of [S] matrix, two-port microwave networks, power gains

Plane Electromagnetic Waves

Plane waves in unbounded medium

Plane waves in lossy medium

Polarization of plane waves

Dispersion and wave velocities

What happens if mu and epsilon are negative? Metamaterials and DNG

Wave propagation in plasma medium, Drude model for metals

Wave propagation in uniaxial medium

Reflection and Refraction of Plane Waves

Normal incidence on conductors and dielectrics

Oblique incidence on conductors and dielectrics: Brewster and critical angles, evanescent waves

Transmission line formalism

Introduction to Waveguides

Simplifying Maxwell s equations for propagating modes in one direction

General properties of electromagnetic modes: TEM waves, TM waves, TE waves

Parallel plate waveguide

Rectangular waveguide

Circular waveguide

Dielectric waveguides: propagation in dielectric slab and optical fibers

(*) Rectangular and circular cavity resonators

(*) If time permits (*)

Reference

 

مدت زمان دوره:      ساعت