Search for dissertations about: "Onboard space systems"
Showing result 11 - 15 of 17 swedish dissertations containing the words Onboard space systems.
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11. Contribution to Wideband SAR Space-Time Processing, and Radar Remote Sensing of Sea Ice
Abstract : Synthetic Aperture Radar (SAR) has the capability to map the Earth with high resolution and is used in both civilian and military applications. The development of SAR systems is going towards higher resolution. Today there are Wide Band (WB) SAR instruments that have a resolution actually smaller than the operating wavelength. READ MORE
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12. Integrated Communications and Thermal Management Systems for Microsystem-based Spacecraft : A Multifunctional Microsystem Approach
Abstract : This thesis explores the potential of multifunctional silicon-based microsystems for advanced integrated nanospacecraft (AIN). Especially, multifunctional microsystems with the coexistant functions of communications and thermal management implemented in multilayer silicon stacks are approached with systems study. READ MORE
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13. Microsystems Technology for Underwater Vehicle Applications
Abstract : The aim of this thesis work has been to investigate how miniaturization, such as microsystems technology, can potentially increase the scientific throughput in exploration of hard-to-reach underwater environments, such as the subglacial lakes of Antarctica, or other challenging environments, including cave systems and wrecks. A number of instruments and subsystems applicable to miniature submersibles have been developed and studied, and their potential to provide a high functionality density for size-restricted exploration platforms has been assessed. READ MORE
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14. Computationally Efficient and Adaptive Energy Management Strategies for Parallel Hybrid Electric Vehicles
Abstract : Hybrid electric vehicles (HEVs) are irreplaceable in attaining sustainable development in contemporary society. Owing to the extra degree of freedom in supplying traction power, HEVs resort to appropriate energy management strategies (EMSs) to present their superiority over conventional internal combustion engine vehicles and pure electric vehicles. READ MORE
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15. Single and dual band horns for multi-beam satellite antennas - application of artificially hard surfaces
Abstract : The latest trend for the multimedia satellite systems is operation at the Ka-band, 17.7-20.2 GHz downlink and 27.5-30. READ MORE