Date of Award
2025
Document Type
Thesis
Degree Name
Master of Science in Engineering (MSE)
Department
Electrical and Computer Engineering
Committee Chair
Maria Pour
Committee Member
Tony Gatlin
Committee Member
David Pan
Research Advisor
Maria Pour
Subject(s)
Phased array antennas, Signal processing
Abstract
The concentration of electromagnetic waves within an angular space is made possible by radiating devices, typically realized in the form of an antenna. Hence, energy emitted or received outside of the intended field of view is manifested in the sidelobes and minor lobes of a radiation pattern, of which sidelobes are commonly responsible for unwanted interference and signal spread. To mitigate these issues, this study seeks to investigate the efficacy of a hybrid synthesis technique based on electrically displaced phase center antenna (E-DPCA) and partially-tapered methods in reducing the sidelobes of linear and planar arrays by optimizing the excitations of the two transverse magnetic (TM) modes within subelements, concentrating radiated power in a specified direction. The methods of analysis conducted herein include the simulation and measurement of a linear array, of which the validated results inspire subsequent analysis of concentric ring arrays of the same element types.
Recommended Citation
Brothers, Eli C., "Sidelobe reductions in linear and circular phased array antennas based on hybrid synthesis techniques" (2025). Theses. 786.
https://louis.uah.edu/uah-theses/786