Direction Finding for Unmanned Aerial Systems Using Rhombic Antennas and Amplitude Comparison Monopulse
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The purpose of this thesis is to design an antenna for a UAS (Unmanned Aerial System) comprised of an aircraft and a two channel transceiver/spectrum recording device for a DF (Direction Finding) application with an error of 6.12 degrees or less. The UAS had to work in a bandwidth from 0.6-6 GHz and under the size constraints imposed by the bottom face of the transceiver/spectrum recording device (19.4x32.4 cm). Due to the large operating spectrum of the DF UAS and size constraints imposed by the aircraft, a multi-antenna rhombic antenna solution is used.The DF portion of the thesis is done using amplitude comparison monopulse with a 45 degree squint angle. Therefore, the rhombic antenna elements were designed to have a radiation pattern which allowed for this squint angle.Once the requirements were accounted for and simulated, the rhombic antenna elements were built and tested with Carleton University's anechoic chamber.
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Copyright © 2018 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2018
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kuiper-directionfindingforunmannedaerialsystemsusing.pdf | 2023-05-05 | Public | Download |