"Dual-mode linear phased array antennas for monopulse radars" by Jonathan Waters

Date of Award

2025

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Electrical and Computer Engineering

Committee Chair

Maria Pour

Committee Member

Laurie Joiner

Committee Member

Tony Gatlin

Research Advisor

Maria Pour

Subject(s)

Phased array antennas--Design and construction, Monopulse radar

Abstract

Phased array antennas are widely used around the world. Much research is focused on extending capabilities of modern wireless systems and radars. Dual-mode elements are researched for use in beamforming, monopulse radar and multi-frequency applications. Beamforming in itself is an extensively researched topic, aimed at canceling interference and/or finding signal angle-of-arrivals. The goals of this thesis are two-fold. Firstly, to take the monopulse capabilities of a dual-mode antenna element to allow for a linear phased array antenna to generate the sum, delta-azimuth, and delta-elevation channels whereas normal linear phased array antennas can only generate a single difference channel. Secondly, to exploit the signal separating abilities of eigen-space methods to improve the performance of monopulse in a scenario where there is a closely correlated target corrupting the data. Future work should investigate array designs using multi-mode elements and further studies of any extra capabilities such an element brings to adaptive processing.

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