Direction Finding for Unmanned Aerial Systems Using Rhombic Antennas and Amplitude Comparison Monopulse

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Creator: 

Kuiper, Ryan

Date: 

2018

Abstract: 

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.

Subject: 

Engineering - Electronics and Electrical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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