Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1630 for “"Missions"”.
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Church School Of Missions
44 leaves
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Thomas Scott and Evangelical Missions
… being an Evangelical Anglican in the realm of missions. The paper’s thesis is that the nature of Scott’s Evangelical identity, which combined elements of the broader evangelical movement with a decidedly Anglican confessionalism, led him to devote himself primarily to Anglican missionary causes …
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Dual Quaternions for Gravity Recovery Missions
… are currently utilized for gravity recovery missions. The proposed modeling and control approach was verified against and compared to the tangent bundle to Special Euclidean Group 3 through MATLAB simulations. The dual quaternion-based approach shows superior performance over traditional …
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Salinas Pueblo Missions: The Early History
… examines the early history of Salinas Pueblo Missions National Monument just beyond the time when Gran Quivira was set aside as a government reservation. It focuses on the Pueblo Indian and Spanish Colonial mission ruins now protected by the National Park Service, at the management units of …
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Autonomous optical navigation for lunar missions
Four measurement options for Orion autonomous optical lunar navigation are analyzed using linear covariance analysis methods. The measurements include a feature tracking camera measurement, star landmark elevation measurement, star horizon elevation measurement, and star occultation measurement. …
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Attitudes of Foreign Students Toward Missions
… students in North America and Australia toward missions. This research was directed primarily to Western students--students who were considered prospective missionaries and on whom the future of missions rested. My research continued this theme, but it was concerned with the attitudes of those …
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Crew Training Requirements For Long Duration Missions
… a new pre-mission training approach for missions in confinement was developed. This new training approach is founded on the idea that conflicts in confinement often arise due to humanity's propensity to focus on how others behave rather than our own behavior. After reviewing the stresses …
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Designing low thrust missions in cislunar space
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Collision avoidance for multi-vehicle cooperative missions
… avoidance for multi-vehicle coordinated missions. Building upon an existing cooperative control framework, we propose collision-avoidance methods that rely on practicably available obstacle information and allow safe operation without compromising on the mission objectives. Several …
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Lunar Robotic Precursor Missions Using Electric Propulsion
… propulsion based lunar robotic precursor missions. The focus is to understand the relationships between payload mass delivered, electric propulsion power, and trip time. The results are compared against a baseline system using chemical propulsion with LOX/H2. The major differences between …
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USAGE OF 5G IN UAV MISSIONS FOR ISR
Traditionally, UAVs operate on a one-to-one transmission mode where the UAVs have one data link between one ground command and control station. Therefore, the radius at which the UAV can travel is limited. The bandwidth of the traditional link is limited to less than 8Mbps and the quality of the …
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Reducing human radiation risks on deep space missions
… radiation exposure risks for humans on the first missions to Mars. Alternatives are reviewed in the areas of Mars mission architectures, various shielding technologies, and medical treatment options to help mitigate the risks of radiation doses received. The over-arching goal of this study is to …
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Optimization of Rover Wheel Geometries for Planetary Missions
<p>Rovers have been launched into space for exploration of the Moon and Mars to collect samples of rock and soil. To continue the explorations, the rovers need to have reliable wheels to drive around. However, due to the soil being soft, the wheels on the rover start to lose traction and the wheels …
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Automated trajectory planning for multiple-flyby interplanetary missions
… mission, and conceptual continuous-thrust missions to Jupiter, Mercury, and Uranus.
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High-performance electronic systems for complex LEO missions
… components and systems for complex LEO missions that bridge the gap between the reliability of space-grade components and the performance of commercial off-the-shelf (COTS) parts. This thesis focuses on architectural designs for new space applications using Novo Space ecosystem of …
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Navigation analysis of Earth-Moon libration point missions
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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Model-based planning for coordinated air vehicle missions
Thesis (M.Eng. and S.B.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2000.
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Formation Flying Performance Measures for Earth Pointing Missions
… This is especially true for remote sensing missions where interferometry or stereographic imaging may provide higher resolution data. The configurations of such formations vary during an orbit due to orbital dynamics, and over longer time scales due to perturbations. Selection of a …
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The Spoken Word: God, Scripture, and Orality in Missions
This dissertation contends that the "Orality Movement" in missionary circles has a dearth of theological development and is therefore susceptible to doctrinal error leading to ministry practices that are potentially harmful to the spiritual health of newly planted churches. As a corrective, this …
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Implications of Microorganisms in Future Crewed Missions to Mars
Crewed deep space missions will likely become a reality in the coming decades. One of the most challenging issues associated with Mars is the lack of resources for sustaining human life. Microbes can be used to help humans settle on Mars. However, they can also be problematic since terrestrial …
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