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 49 for “"Complexity-reduction"”.
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Complexity reduction in fuzzy inference systems
… much work has addressed rule explosion, most complexity reduction techniques entail post-design offline processing. These techniques restrict fuzzy systems to static processes, as rules cannot be adapted in real time in the reduced complexity format. Clearly, for fuzzy systems to be truly …
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Complexity reduction in automotive design and development
Automobiles are complex products. High product complexity drives high levels of design and process complexity and complicatedness. This thesis attempts to reduce complicatedness in the automotive vehicle design and development process utilizing systems engineering tools including the design …
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Complexity reduction in multiple input multiple output algorithms
… battery lifespan. This thesis investigates the complexity – performance trade-off of two MIMO algorithms. Space Time Block Coding (STBC) is a MIMO-based algorithm, which efficiently exploits spatial and temporal diversity. Recently, it has been specified in a number of 3G standards. However, not …
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Theoretical guarantees and complexity reduction in information planning
… used reward for quantifying the expected reduction in uncertainty is mutual information (MI). One application of information planning can be found in object tracking where a network of sensors generate noisy measurements of a moving object's position and we are interested in selecting the …
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Genome complexity reduction for genome-wide single nucleotide polymorphism analysis
… need we investigated the use of PCR-based genome complexity reduction methods for SNP genotyping. We discovered that degenerate oligonucleotide primed PCR (DOP-PCR) is capable of amplifying a specific fraction of a genome in a highly reproducible manner. The genomic sequences amplified are …
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Complexity analysis of lumped parameter models : development of complexity reduction algorithm
… thesis, we analyze how tank models of varying complexity compare in terms of accuracy and utility. An algorithm called Complexity Reduction Algorithm (CRA) is developed that automatically finds those models that are likely to be the best by choosing a certain path through the model space. Since …
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Adaptive dynamic programming with eligibility traces and complexity reduction of high-dimensional systems
… paper demonstrates the robustness of model order reduction (MOR) for simulating complex dynamical systems. Agglomerative hierarchical clustering based on performance evaluation is introduced for MOR. This method computes the reduced order denominator of the transfer function by clustering system …
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Complexity management for video encoders.
… and decoders is limited by computational complexity. This thesis presents research work to develop techniques to manage computational complexity of video encoders. These techniques aim to provide significant complexity saving as well as adaptively controlling the computational complexity. …
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Assessing and reducing product portfolio complexity in the pharmaceutical industry
… dynamics. The challenges of reducing portfolio complexity are defining excess complexity, identifying it in the portfolio, and removing it while still delivering value to customers. Novartis Pharmaceuticals, in agreement with the prevalent operational excellence culture, is exploring complexity …
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Complete VLSI implementation of improved low complexity chase Reed-Solomon decoders
… presents a complete VLSI design of improved low complexity chase (LCC) decoders for Reed-Solomon (RS) codes. This is the first attempt in published research that implements LCC decoders at the circuit level. Based on the joint algorithm research with University of Hawaii, we propose several new …
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Complexity management of H.264/AVC video compression.
… standards. However, the high computational complexity of H. 264/AVC is a problem for codecs running on low-power hand held devices and general purpose computers. This thesis presents new techniques to reduce, control and manage the computational complexity of an H. 264/AVC codec. A new …
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OFDM turbo transceivers
… are designed and investigated in terms of their complexity, EXIT characteristics and BER performance. More explicitly, the linear turbo MUDs considered include the Complex-valued Minimum Mean Square Error (SIC-CMMSE) scheme, the Soft Interference Cancellation based Real-valued Minimum Mean Square …
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Reinforcement Actor-Critic Learning As A Rehearsal In MicroRTS
… a data-hungry approach featuring a high sample complexity. In this thesis, we focus on a sample complexity reduction technique called reinforcement learning as a rehearsal (RLaR), and on the RTS game of MicroRTS to formulate and evaluate it. RLaR has been formulated in the context of …
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Entropy and Insight: Exploring how information theory can be used to quantify sensemaking in visual analytics
… measures will provide a measure of the complexity reduction that results from an analyst's actions while sorting the information. Further, we demonstrate that reduced complexity can be linked to the knowledge gained. This is important, because a metric for objectively evaluating the …
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Low-complexity near-optimum detection techniques for non-cooperative and cooperative MIMO systems
… thesis, firstly we introduce various reduced-complexity near-optimum Sphere Detection (SD) algorithms, including the well-known depth-first SD, the K-best SD as well as the recently proposed Optimized Hierarchy Reduced Search Algorithm (OHRSA), followed by comparative studies of their …
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Model predictive control equalization for high-speed IO links
… resolutions. We also describe the possible complexity reduction techniques that enable efficient implementation of our MPC algorithm in hardware.
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Evacuation Network Optimization: Models, Solution Methods and Applications
… these strategies greatly increases the problem complexity and combinatorial effect. A Lagrangian-relaxed, tabu-based solution method has been developed to solve this otherwise intractable problem, which takes advantage of Lagrangian relaxation for problem decomposition and complexity reduction …
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Overloaded Array Processing with Spatially Reduced Search Joint Detection
… signals, the JML receiverà Âs computational complexity quickly exceeds the real-time ability of any computer. This thesis proposes an iterative joint detection technique, Spatially Reduced Search Joint Detection, (SRSJD), which approximates the JML receiver while reducing its computational …
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Complexity theory in axiomatic design
During the last couple of decades, the term complexity has been commonly found in use in many fields of science, sometimes as a measurable quantity with a rigorous but narrow definition and other times as merely an ad hoc label. With an emphasis on pragmatic engineering applications, this thesis …
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TransBooster:black box optimisation of machine translation systems
… a wrapper technology that reduces the complexity of the MT input by a recursive decomposition algorithm which produces simple input chunks that are spoon-fed to a baseline MT system TransBooster is not an MT system itself: it does not perform automatic translation, but operates on top …
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