Simulteneous Transmit and Receive (Star) Antennas for Geo- Satellites and Shared-Antenna Platforms
SIMULTENEOUS TRANSMIT AND RECEIVE (STAR) ANTENNAS FOR GEO- SATELLITES AND SHARED-ANTENNA PLATFORMS by Elie Germain Tianang B.S., Yaoundé Advanced School of Engineering, 2007 M.S., University of Colorado, Boulder, 2017 A thesis submitted to the Faculty of the Graduate School of the University of Colorado in partial fulfillment of the requirement for the degree of Doctor of Philosophy Department of Electrical, Computer, and Energy Engineering 2019 This thesis entitled: Simultaneous Transmit and Receive (STAR) Antennas for Geo-Satellites and Shared-Antenna Platforms written by Elie Germain Tianang has been approved for the Department of Electrical, Computer, and Energy Engineering Dejan S. Filipovic Mohamed A. Elmansouri Date The final copy of this thesis has been examined by the signatories, and we find that both the content and the form meet acceptable presentation standards of scholarly work in the above mentioned discipline. ii Elie Germain Tianang (Ph.D., Electrical, Computer, and Energy Engineering) Simultaneous Transmit and Receive (STAR) Antennas for Geo-Satellites and Shared-Antenna Platforms Thesis directed by Professor Dejan S. Filipovic This thesis presents the analysis, design, and experimental characterization of antenna systems considered for shipborne, airborne, and space platforms. These antennas are innovated to enable Simultaneous Transmit and Receive (STAR) at same time and polarization, either at the same, or duplex frequencies. In airborne and shipborne platforms, developed antenna architectures may enhance the capabilities of modern electronic warfare systems by enabling concurrent electronic attack and electronic support operations. In space, and more precisely at geostationary orbit, designed antennas aim to decrease the complexity of conventional phased array systems, thereby increasing their capabilities and attractiveness.
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