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 18 of 18 for “"Transmission probability"”.
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Free approximation of transport properties in organic system using Stochastic Random Matrix Theory
… RMT to approximate other quantities, such as transmission probability, conductivity and etc. Due to the eigenvectors' shifts, RMT works well only for small disorder. System with larger disorder requires to take in account of the changes in eigenvectors directly or through other approximations …
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Application of RMT-RNN improved decomposition onto defected system
… further study of physical properties, such as transmission probability, conductivity and so on. As a major topic of Random Matrix Theory (RMT), free convolution has managed to approximate the distribution of eigenvalues in the Anderson Model. RMT has proven to work well when looking for the …
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Optimizing Random Access for Information Freshness in Spatially Distributed Wireless Networks
… min-max, and proportionally fair AoI by setting transmission probabilities as a function of node locations. We show that under the capture model, when the spatial topology of the network is considered, AoI can be significantly improved, and we obtain tight performance bounds on weighted sum and …
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Quantum transport of electrons through graphene and carbon nanotubes
… actions. We focused our research on the quantum transmission of electrons through graphene and carbon nanotubes. Graphene and nanotube devices operated between source and drain shows a peculiar negative differential resistance behavior (NDR) while drawing current- voltage characteristics. This …
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Field induced assembly of particulate systems
… visualization of Brownian motion and compute the transmission probability from inner to outer region under the conditions of varying viscosity, particle size and temperature. The obtained results are validated with Stokes-Einstein equation and Fang and Ning’s experimental and theoretical work. It …
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Distributed medium access control for an enhanced physical-link layer interface
… architecture equips data link layer with binary transmission/idling options and gives the control of choosing other communication parameters to the physical layer. Such a network architecture is inefficient in distributed wireless networks where user coordination can be infeasible or expensive in …
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An Epidemiologic Analysis of Intergenerational Child Maltreatment
… to public school records for demographics. The transmission probability of IMT was estimated by measuring the proportion of childhood victims in accepted CPS reports who appeared as offenders when they became adults. Adjusted transmission probabilities were estimated using log-binomial …
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Determining the role of density-dependent effects in disease induced population impacts
… often due to the complex nature of pathogen transmission in muti-host systems that can lead to varied decline and recovery patterns. Common disease management strategies focus on the reduction of pathogen transmission at low host densities to be effective. Density-dependent contact rates are …
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Evaluation of roaming and download times in universal cellular/wireless LAN systems
… acquisition time and system resource blocking probability, mobile station resource blocking probability, packet successful transmission probability over wireless channel and signaling bit rate over the universal base station channel in different cases and design scenarios are analyzed. Such …
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Penetration of supernova radioactivities in the solar system
… dust penetration to 1 AU has essentially 100% transmission probability, and the dust capture onto the Earth should have a geometric cross section."
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Interference Management in Heterogeneous Cellular Networks
… performance of 2-tier HetNets including coverage probability and spectral efficiency in mathematical expression, and some insights are revealed on the relationships of interference statistics and network performance with system parameters such as frequency reuse factor, transmission probability, …
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Detecting coherent phonon wave effects in superlattices using time-domain thermoreflectance
… formalism, which treats energy transport as a transmission process. The frequency-dependent transmission probability for phonons through the SL is found via an application of the transfer matrix method (TMM). The calculations show that the integral effect of the buildup of phonon stopbands in …
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A microscopic theory of tunneling
… results are recovered by expanding the transmission probability. Using this theory, we have constructed and solved the Dysonis equations associated with bare vertex functions for both a static delta-function impurity and dynamic delta-function impurity vibrating at a (Einstein) local …
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On a Joint Physical Layer and Medium Access Control Sublayer Design for Efficient Wireless Sensor Networks and Applications
… avoidance (CSMA/CA) based networks. First, transmission power control (TPC) is investigated in multi and single-hop WSNs using typical hardware platform parameters via simulation and numerical analysis. A novel approach to testing TPC at the physical layer is developed, and results show that …
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Structures, processes, and clustering of complex networks
… There is a strong nonlinear dependence of the transmission probability on the local density of corruption: To model the resistance of the individual against corruption, the main neighbour infection process is triggered only above a given threshold of infected neighbours. The model also includes …
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Stochastic Geometry for Vehicular Networks
… study key performance metrics such as coverage probability and rate coverage for vehicular networks under different scenarios. First, we compute the signal-to-interference plus noise ratio (SINR)-based success probability of the typical communication link in a vehicular ad hoc network (VANET). …
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Performance Analysis and Learning Algorithms in Advanced Wireless Networks
… networks with hybrid THz, mmWave and microwave transmissions, and UAV-enabled networks are studied, and performance metrics such as the signal-to-interference-plus-noise ratio (SINR) coverage, energy coverage, and area spectral efficiency are analyzed. In addition, UAV path planning in cellular …
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Spin Polarized Transport in Nanoscale Devices
… ferromagnetic (or half-metallic) as well and the transmission probability of an electron through this drain electrode depends on the relative orientation of electron spin polarization and the (fixed) magnetization of the drain. When the spins of the electrons are parallel to the drain …