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.
Results
Showing 1 to 20 of 100 for “"Electrical Engineering, Electronic Engineering, Information Engineering"”.
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Sum rules and constraints on passive systems - a general approach and applications to electromagnetic scattering
… spherical wave. They are particularly useful for electrically small scatterers. The results can be used in many fields where an understanding of the interaction between electromagnetic waves and matter is vital. One interesting application is within antenna theory, where the limitations are …
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Fault Tolerance for Real-Time Systems: Analysis and Optimization of Roll-back Recovery with Checkpointing
Increasing soft error rates in recent semiconductor technologies enforce the usage of fault tolerance. While fault tolerance enables correct operation in the presence of soft errors, it usually introduces a time overhead. The time overhead is particularly important for a group of computer systems …
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Off-line Foveated Compression and Scene Perception: An Eye-Tracking Approach
… offering storage and communication of pictorial information, the need to efficiently represent this information has become increasingly important, both from an information theoretic and a perceptual point of view. There has been a recent interest to design systems for efficient representation and …
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Microwave CMOS VCOs and Front-Ends - using integrated passives on-chip and on-carrier
… microwave frequencies. Traditionally, microwave electronics has used exclusive and more expensive semiconductor technologies (III-V materials). However, the rapid development of consumer electronics (e.g. video game consoles) the last decade has pushed the silicon CMOS IC technology towards even …
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Design of Multi-layer Telecommunication Networks: Fairness, Resilience, and Load Balancing
Migration to Next Generation Internet architectures poses new challenges for network operators in planning core networks and calls for efficient network planning and optimization tools. Optimization models underlying such tools are developed in this thesis. We study a number of single and two-layer …
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Ultra-Wideband Wireless Channels - Estimation, Modeling and Material Characterization
This licentiate thesis is focused on the characterization of ultra-wideband wireless channels. The thesis presents results on ultra-wideband communications as well as on the ultra-wideband characterization of materials. The communications related work consisted in the measurement and modeling of …
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Microwave CMOS Beamforming Transmitters
The increase of the consumer electronics market the last couple of decades has been one of the main drivers of IC process technology development. The majority of the ICs are used in digital applications, and for these CMOS is the choice of technology. The urge to squeeze more transistors on to a …
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