Catalog Description: Computational study of microwave circuits and antennas, utilizing finite-difference, finite-element and moment methods. Students are required to develop algorithms, write and execute programs, and prepare reports analyzing results. Circuits include waveguides, microstrip lines, and center-feddipole antennas.

Prerequisite: ECEN 3410, Waveguides and Transmission Lines

Textbook: Class notes.

Goals:

Topics:

Basic techniques involving accuracy. Numerical integrationwith Richardson extrapolation.
Finite-difference applications. Finite-difference determination of capacitance. Finite-difference determination of waveguide modes.
Finite-element applications. Variational solutions for electromagnetic energy. Nodal-based finite-element solution. Edge-based finite elements and the zero-divergence problem.
Moment-method applications. Moment-method solutions for capacitance. Quasi-static microstrip mode. Electromagnetic scattering for thin cylinders and plates. Current distribution for center-feddipole antennas. Spectral analysis applied to waveguide discontinuities. Green's functions for shielded and unshielded microwave circuits.
Other techniques. Mode-matching techniques applied to waveguide discontinuities. Method of lines.

Computer Usage:

None.

Laboratory Projects:

None.

ABET Category Content:

Engineering Science:

Engineering Design:

Mathematics and Basic Science: