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Now showing items 41-50 of 105
Semi-direct visual SLAM for stereo cameras: system design and validation
(2021-11-01)
Simultaneous Localization and Mapping (SLAM) requires an autonomous vehicle in an unknown environment to learn about the environment, generates a map and localize itself at the same time. To solve this problem, various ...
Tunable compact microwave multiplexers based on substrate integrated waveguide
(2021-05-01)
Microwave multiplexers and diplexers are widely used in communication systems. This thesis presents a compact low-profile hybrid-coupled filter module (HCFM) implemented using substrate integrated waveguide (SIW). Compared ...
A CFD analysis of the pressure drop through misaligned Stirling engine regenerators
(2021-04-01)
Experiments were conducted to discover the average misalignment in wire mesh regenerators, and it was found that regardless of the intended stacking arrangement, the average misalignment was 44% to 49%. A 3-dimensional CFD ...
Design and evaluation of a hybrid multi-task learning model for optimizing deep reinforcement learning agents
(2021-04-01)
Driven by recent technological advancements within the artificial intelligence domain, deep learning has emerged as a promising representation learning technique. This in turn has given rise to the evolution of deep ...
Investigation of selective optical properties of Si/SiO2 nanostructures generated by pulsed laser ablation as-deposited and post-treated
(2020-05-01)
Silicon and its derivatives like SiO2 are essential materials for industrial applications such as semiconductors, optoelectronics, and telecommunication. Optical properties of a large group of silicon/silica nanofibrous ...
Predicted safety & excavation progress algorithms for autonomous excavation
(2020-08-01)
Excavation is the process of moving earth and is considered to be one of the primary projects in the construction industry. The adoption of various cutting-edge technologies for full automation can be a solution to the ...
Compact integrated designs of microwave filters and antennas with dual-polarization
(2021-02-01)
Microwave antenna and filter circuits are key components in all types of communication systems. In order to achieve high compactness and high performance for next generation wireless networks, this thesis investigates the ...
Design, development and experimental validation of a lab-scale system for rapid rotational molding of functionally graded integral-skin cellular polyethylene composites
(2020-03-01)
An existing lab-scale experimental setup system, originally developed for a patented Rapid Rotational Foam Molding (RRFM) process, was re-designed, built, and its functionality was successfully experimentally verified. The ...
Electrical impedance tomography for internal radiation therapy
(2021-08-01)
Internal radiation therapy is a radiation-based treatment for various forms of localized cancer. In this treatment, several needles or catheters are inserted percutaneously into the tissue, and radiation is delivered through ...
Development of waste management systems: applications of Durham Region
(2021-08-01)
This thesis aims to reduce environmental impacts and increase overall efficiencies of domestic waste management systems by proposing case studies for Durham Region. Case study 1 integrates an anaerobic digestion facility ...