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 76 for “"Multi-Point"”.
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Interference channels with coordinated multi-point transmission
Coordinated Multi-Point (CoMP) transmission is an infrastructural enhancement under consideration for next generation wireless networks. In this work, the capacity gain achieved through CoMP transmission is studied in various models of wireless networks that have practical significance. The …
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Multi-Point Flux Approximations via the O-Method
… In this paper we investigate the application of Multi-Point Flux Approximation (MPFA) methods and upscaling (or coarsening) grid techniques to these simulations. Specifically, the O-Method, a working MPFA method, is combined with local upscaling in order to solve for the pressure and flux values, …
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Developing Fixed-Bias Langmuir Probes for Multi-Point Constellation Deployments
… plasmas can be augmented by the technique of multi-payload deployments. In this work, we discuss the design, development, and analysis of fixed-bias Langmuir probes constructed for two multi-point science campaigns: the Mars-bound, dual-satellite Escape and Plasma Acceleration and Dynamics …
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Segmental multi-point linearization for topology optimization and reliability analysis
… failure probability is approximated. A segmental multi-point linearization (SML) method is proposed for a more accurate estimation of failure probability and its gradient. Numerical examples show that the RBTO algorithm based on the SML is more stable numerically and is able to converge to a …
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Novel fitted multi-point flux approximation methods for options pricing
… to build accurate numerical methods to solve the multidimensional degenerated Black-Scholes PDE. More precisely, we develop in two dimensional domain novel numerical methods called fitted Multi-Point Flux Approximation (MPFA) methods to solve the multi-dimensional Black-Scholes PDE for pricing …
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Computer aided design and construction of a multi-point positioning actuator system
… actuators (TLIA) for the application of multi-point positioning.<br/><br/>A novel TLIA has been successfully developed in the research project. This actuator makes use o f the electromagnetic induction principle to produce a force that varies with displacement and can be controlled by the …
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Design and control of an anthropomorphic robot finger with multi-point tactile sensation
… challenges involved in high resolution, multi-point tactile perception. In this work, however, we take the opposite approach, emphasizing the role of full-finger tactile feedback in the refinement of manual capabilities. To this end, we propose and implement a control framework for …
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Multi-point temperature sensing in gas turbines using fiber-based intrinsic Fabry-Perot interferometers
… compact size, sensitivity, and ability to be multiplexed, intrinsic Fabry-Perot interferometers (IFPIs) are excellent candidates for almost any multi-point temperature or strain application, and it is well-known that using a single-mode lead-in fiber, a multi-mode fiber section as the …
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A Multi-Point Measurement Technique for the Enhancement of Force Measurement with Active Magnetic Bearings (AMB)
… for measuring forces with AMBs that utilizes multiple current pairs with no gap measurement to provide accurate and precise force predictions. Previous methods for force measurement with AMBs rely on the controlled environment of a laboratory setting for accurate measurements. The goal of this …
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Balloon Borne GPS-Enabled Radiosondes That Enable Simultaneous Multi-Point Atmospheric Sensing With a Single Ground Station
… is unique in its ability to simultaneously track multiple sondes with a single ground station. Sensors to measure temperature and pressure were added to improve measurements of the atmospheric state. A printed circuit board shield and 3D-printed shell were designed to make mass manufacturing …
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A study of the forming limits of cold and hot forming of aluminium alloy sheets with multi-point tooling
Multi-point forming (MPF) is a special category of sheet metal forming techniques with good operational flexibilities due to using two sets of adjustable pins along the machine ram direction. These pins represent the acting points of the desired forming-tool surface contours. Although this …
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Using simulated annealing to minimize the cost of multi-point lines in centralized computer networks : implementation for Windows 3.1
… location, the problem consists in creating multipoint lines rooted at a central site (typically a concentrator) in order to save on connection costs. Well-known multipoint line topologies are the tree, the bus, and the loop. When terminals are assigned a weight representing the average …
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Design and protection algorithms for path level aggregation of traffic in WDM metro optical networks
<p>Wavelength Division Multiplexing (WDM) promises to offer a cost effective and scalable solution to meet the emerging demands of the Internet. WDM splits the tremendous bandwidth latent in a fiber into multiple non-overlapping wavelength channels, each of which can be operated at the peak …
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Performance Modelling and Analysis of a New CoMP-based Handover Scheme for Next Generation Wireless Networks. Performance Modelling and Analysis for the Design and Development of a New Handover Scheme for Cell Edge Users in Next Generation Wireless Networks (NGWNs) Based on the Coordinated Multi-Point (CoMP) Joint Transmission (JT) Technique
… macro cells. In this context, the Coordinated Multi-Point (CoMP) technique was introduced to mitigate ICI in Next Generation Wireless Networks (NGWN) and increase their network performance at cell edge. Even though the CoMP technique provides satisfactory solutions of various problems at cell …
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Topology overlays for dedicated protection Ethernet LAN services in advanced SONET/SDH networks
… (VCAT) feature which supports inverse multiplexing to 'split' larger connection requests in to a series of independently-routed 'sub-connections'. As these improved infrastructures have been deployed, the design of new Ethernet over SONET/SDH (EoS) services has become a key focus area …
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A Linear Immersed Finite Element Space Defined by Actual Interface Curve on Triangular Meshes
… identities and estimates, we establish a multi-point Taylor expansion of the true solutions and show the estimates for the second order terms in the expansion. Then, we construct the local IFE spaces by imposing the weak jump conditions and nodal value conditions on the piecewise …
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Random Sphere Packing Model of Heterogeneous Propellants
… is developed which uses the concept of multi-point correlation functions. A set of intrinsic length scales of local density fluctuations in random heterogeneous propellants is identified by performing a Monte-Carlo study of the correlation functions. This method of analysis shows great …
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