Antennas: Design and Application
Electrically small antennas; Arrays; wire antennas and feeding arrangements; aperture antennas, such as slots, horns, and parabolic reflectors; antennas for multiple frequencies, including log-periodic and other frequency independent types; receiving antennas and the concept of antenna temperature; antenna measurements and evaluation.
ECE61700
Credit Hours:
3Description:
Electrically small antennas; Arrays; wire antennas and feeding arrangements; aperture antennas, such as slots, horns, and parabolic reflectors; antennas for multiple frequencies, including log-periodic and other frequency independent types; receiving antennas and the concept of antenna temperature; antenna measurements and evaluation. Spring 2017 Syllabus
Topics Covered:
Antenna history, review of field equations and methods of solutions, field of elemental current and superposition. Small antennas: Impedance, gain efficiency, images effects of actual ground, transmission line loaded antennas, Microstrip Antennas. Arrays: Array factor, polynomial representations, Fourier representation, Dolph-Chebyshev arrays, Tolerances, Signal processing arrays. Wire antennas: Patterns and impedance of straight wires, bent and curved wires, feeding arrangements, impedance matching, baluns, mutual effects. Theory of biconical and cylindrical antennas. Digital Computation of Antenna Performance Parameters. Aperture antennas: Slot antennas, slotted cylinders horns, circular aperture theory and practice. Antennas for Multiple Frequencies: Spot band antennas, log-periodic dipoles and other frequency independent antennas. Receiving antennas: Power transfer, effective area, noise considerations, antenna temperature, diversity.Prerequisites:
ECE 604, or a graduate course in electromagnetics.Applied / Theory:
Homework:
Will be accepted via email (webb@purdue.edu).Projects:
None.Exams:
1 Midterm and 1 Final ExamTextbooks:
Official textbook information is now listed in the Schedule of Classes. NOTE: Textbook information is subject to be changed at any time at the discretion of the faculty member. If you have questions or concerns please contact the academic department.Required: Antenna Theory: Analysis and Design (The Harper & Row series in electrical engineering) Constantine A. Balanis Longman Higher Education 9780060404581