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 24 for “"system characterization"”.
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Method of photolithographic projection system characterization
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1983.
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Robot system characterization: error modeling, identification, analysis, and minimization
… describes the development and application of a characterization methodology that improves the performance of robotic systems. To achieve accurate positioning, robot geometry must be precisely defined, both in new system design and in upgrading existing robots. This can be accomplished by …
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Propulsion system characterization for the SPHERES Formation Flight and Docking testbed
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2002.
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Progenitor cells in the postnatal central nervous system, characterization and genetic manipulation
New neurons are only generated in two places of the postnatal brain; the subventricular zone (SVZ) and hippocampus. The SVZ-derived cells specifically migrate to the olfactory bulb where they give rise to new interneurons. We have genetically manipulated the postnatal SVZ progenitor cells with the …
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System characterization and online mass property identification of the SPHERES formation flight testbed
… interferometry. Whether the craft in such a system are structurally connected or flown in tight formation, distribution allows for higher redundancy in case of failures as well as reducing the minimum payload footprint for launch. Designed to fly in precise formation, the SPHERES satellites …
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System Characterization, Control and Optimal Feed -Rate Scheduling for High -Speed Machining and Nano Positioning
… the capabilities of a given physical motion system. System capabilities and process requirements are modeled and formulated as constraints to drive the algorithm. The resulting trajectory makes full use of the system capabilities and completes the required task in the minimum time, while …
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A seismic stratigraphic analysis and petroleum system characterization of the cretaceous sequence in central Walvis basin, offshore Namibia
The Walvis Basin, situated along Namibia's passive margin, has long been recognized for its hydrocarbon potential. With only nine (9) exploration wells drilled to date, the Walvis Basin remains relatively under-explored. The uncertainties concerning the occurrence and preservation of mature source …
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Two strategies to deepen knowledge the antibiotic resistance related traits in Italian MDR Staphylococci: comparative transcriptomic of two DAP-R/DAP-S MRSA isogenic couples and CRISPR system characterization of pathogenic S. epidermidis
… of diseases, ranging from mild skin forms to systemic forms, whilst S. epidermidis has been frequently implicated in endocarditis and infections of surgical implants and it seems to be the source for antibiotic resistance related gene acquisition by S. aureus. A comparative transcriptomic …
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Development of an automated efficiency and loss measurement system for high-efficiency power converters
When building a high performance power converter system, characterization becomes a significant task in and of itself. This thesis addresses the development of an automated efficiency and loss measurement system for high-efficiency power converters. The design, construction, calibration, and …
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Application of Wavelet Analysis and Cross-Correlation Techniques to Wide Area Monitoring of Power Systems
… device for modern power transmission systems. The recent and widespread adoption of these devices will provide a wealth of information about the dynamic state of the power system. However, the increasing number of measurement points and high data reporting rates make real-time human …
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Characterization of the head-related transfer function using chirp and maximum length sequence excitation signals
… applying both methods in experiments involving system characterization can be used to confirm the accuracy of individual measurements and reduce the likelihood that erroneous measurements go unnoticed. An MLS burst-augmented excitation signal is presented to compensate for unpredictable delay …
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Profilometry with volume holographic imaging
… of volume holographic computational imaging systems for profilometry related applications. We show that the rich functionalities of the VH lens can be exploited to process the incident optical field. Some of the unique imaging behavior can not be easily achieved by using conventional optics. …
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Interferometric Synthetic Aperture Microscopy (ISAM) Reconstruction and Characterization in a High Numerical Aperture System
… of an optical coherence tomography (OCT) imaging system by offering spatially invariant resolution within the whole 3D data set, including regions that are outside of the focal region. Both OCM and ISAM have many potential research and clinical applications. By combining OCM and ISAM, it is …
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Computational optimization of phase change materials on adsorbed carbon dioxide capture systems
… Extensive description is given to adsorption system characterization and to the computational fluid dynamics (CFD) model formulation. The study takes into consideration the challenges associated with gas theory in multiphysics and multiscale modeling, particularly as they relate to …
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Probabilistic characterization and synthesis of complex driven systems
Real-world systems that have characteristic input-output patterns but don't provide access to their internal states are as numerous as they are difficult to model. This dissertation introduces a modeling language for estimating and emulating the behavior of such systems given time series data. As a …
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Analysis of ion emitting jet structures during ionic liquid electrospraying
… electrospray thruster or a dual-mode propulsion system. Characterization of positive polarity ions produced by [Bmim][DCA] capillary emitters with a nominal extraction voltage of 2.0 kV within a quadrupole and time-of-flight mass spectrometers is presented along with the predictions of propulsion …
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A theory of nonlinear systems
Introduction: A physically realizable nonlinear system, like a linear one, is a system whose present output is a function of the past of its input. We may regard the system as a computer that operates on the past of one time function to yield the present value of another time function. …
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Elongated fascicle-inspired 3D tissues consisting of high-density, aligned, optogenetically excitable muscle tissue using sacrificial outer molding
… is characterized in a custom designed mechanical characterization system. Characterization has shown that an optimal diameter exists at which muscle constructs exhibit the greatest contraction performance, and that optical and electrical stimulation of optogenetic muscle cells result in similar …
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Distributed Cognitive RAT Selection in 5G Heterogeneous Networks: A Machine Learning Approach
… (RAT) requires novel and creative context-aware system designs. The association and routing decisions, in the context of single-RAT or multi-RAT connections, need to be optimized to efficiently exploit the benefits of the architecture. However, the high computational complexity required for …
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Qualitative Methods Used to Develop and Characterize the Circulation Control System on Cal Poly's AMELIA
<p>The circulation control system onboard Cal Poly's Advanced Model for Extreme Lift and Improved Aeroacoustics was a critical component of a highly complex wind tunnel model produced in order to fulfill the requirements of a NASA Research Announcement awarded to David Marshall of the Aerospace …
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