Relevant bibliographies by topics / And Distribution

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'And Distribution'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "And Distribution"

1

Omer, Abdeen. "Medicines Distribution, Regulatory Privatisation, Social Welfare Services and Financing Alternatives." International Journal of Medical Reviews and Case Reports 2, Reports in Surgery and Dermatolo (2018): 1. http://dx.doi.org/10.5455/ijmrcr.medicine-distributions-sudan.

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Panton, Don B. "Distribution function values for logstable distributions." Computers & Mathematics with Applications 25, no. 9 (May 1993): 17–24. http://dx.doi.org/10.1016/0898-1221(93)90128-i.

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Guo, Ran, and Jiulin Du. "Are power-law distributions an equilibrium distribution or a stationary nonequilibrium distribution?" Physica A: Statistical Mechanics and its Applications 406 (July 2014): 281–86. http://dx.doi.org/10.1016/j.physa.2014.03.056.

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Gómez, Héctor W., Osvaldo Venegas, and Heleno Bolfarine. "Skew-symmetric distributions generated by the distribution function of the normal distribution." Environmetrics 18, no. 4 (2007): 395–407. http://dx.doi.org/10.1002/env.817.

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Cui, Hong Jun, Xiao Gao Xing, Guo Feng Liang, and Ya Ping Li. "Prediction Method for Freeway Wheelpath Distribution." Applied Mechanics and Materials 409-410 (September 2013): 1347–52. http://dx.doi.org/10.4028/www.scientific.net/amm.409-410.1347.

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According to the analysis of distributing characteristics which obtained by the investigation of different types vehicles of many freeways, the law is discovered that distributing characteristics of same types of vehicles are similar on different freeways, using test to certificate that distributions of same types of vehicles are submitted to identical normal distribution, and the rationality of this phenomenon is discussed with statistical point of view. Calculated and predicted method of wheelpath distribution and axle load distribution are established that based on traffic flow. In the end, an example is used to confirm the accuracy of this method by contrasting the survey result and the predicted result.
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Çakmakyapan, Selen, and Gamze Özel Kadılar. "A New Customer Lifetime Duration Distribution: The Kumaraswamy Lindley Distribution." International Journal of Trade, Economics and Finance 5, no. 5 (October 2014): 441–44. http://dx.doi.org/10.7763/ijtef.2014.v5.412.

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Moya-Cessa, J. R., H. Moya-Cessa, L. R. Berriel-Valdos, O. Aguilar-Loreto, and P. Barberis-Blostein. "Unifying distribution functions: some lesser known distributions." Applied Optics 47, no. 22 (April 24, 2008): E13. http://dx.doi.org/10.1364/ao.47.000e13.

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Deshmukh, S. R., and M. S. Kasture. "BIVARIATE DISTRIBUTION WITH TRUNCATED POISSON MARGINAL DISTRIBUTIONS." Communications in Statistics - Theory and Methods 31, no. 4 (May 14, 2002): 527–34. http://dx.doi.org/10.1081/sta-120003132.

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Li, Kaican, and Zhi Geng. "The Noncentral Wishart Distribution and Related Distributions." Communications in Statistics - Theory and Methods 32, no. 1 (January 3, 2003): 33–45. http://dx.doi.org/10.1081/sta-120017798.

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Cousineau, Denis, Jean-Philippe Thivierge, Bradley Harding, and Yves Lacouture. "Constructing a group distribution from individual distributions." Canadian Journal of Experimental Psychology/Revue canadienne de psychologie expérimentale 70, no. 3 (2016): 253–77. http://dx.doi.org/10.1037/cep0000069.

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Dissertations / Theses on the topic "And Distribution"

1

Al-Awadhi, Shafeeqah. "Elicitation of prior distributions for a multivariate normal distribution." Thesis, University of Aberdeen, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387799.

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This thesis focuses on elicitation methods for quantifying an expert's subjective opinion about a multivariate normal distribution. Firstly, it is assumed that the expert's opinion can be adequately represented by a natural conjugate prior distribution (a normal inverse-Wishart distribution) and an elicitation method is developed in which the expert performs various assessment tasks that enable the hyperparameters of the distribution to be estimated. An example illustrating use of the method is given. There are some choices in the way hyperparameters are determined and empirical work underlies the choices made. The empirical work aimed to provide a basis for choosing between alternative assessment tasks that may be used in the elicitation method and to examine different ways of using the elicited assessments to estimate the hyperparameters of the prior distribution. In particular, we compare two methods for estimating a spread matrix. The method is implemented in an interactive computer program that questions the expert and forms the subjective distribution. In some practical situations, it may not be possible to accurately represent an expert's opinions by a natural conjugate prior distribution, especially as the conjugate prior description suffers from some restrictions in the manner it represents dependencies between the mean vector and the covariance matrix. As a more flexible alternative, non-conjugate prior distributions are considered in which independent prior distributions for the mean vector and spread matrix are employed. A method of eliciting a prior distribution for the mean when it is assumed to be a multivariate normal distribution is developed. The implementation of the method is given through a pilot study. The prior distribution for the variance is assumed to have one of two forms: either an inverse-Wishart distribution or a generalised inverse-Wishart distribution. An elicitation method is developed for each of these forms of prior distribution. An example illustrating the implementation of the methods is given. Finally, the elicitation methods for the conjugate and the non-conjugate prior distributions are studied and compared in depth through an experiment with subject-matter experts. In this experiment two assessment tasks are used: one is related to the distribution of a sample mean and the other to the distribution of an individual item. A comparison is made between the expert assessments for these two types of task and marked differences are observed.
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Mild, Axel, and Arvid Mild. "Hållbar last mile distribution : Sustainable Last Mile Distribution." Thesis, Uppsala universitet, Industriell teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-418146.

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Syftet med examensarbetet är att utforma en distributionscentrals processer för identifiering, sortering och packning av gods, för att möjliggöra en hållbar last mile-distribution med cykel. Varulogistik i städer är en stor utmaning för att främja en hållbar stadsutveckling. Transporter är nödvändiga för att förse verksamheter och invånare med gods. Samtidigt bidrar dessa transporter till negativa miljöpåverkningar, i form av buller och utsläpp. Kommuner har en central roll i att främja en hållbar utveckling på grund av deras planmonopol och möjligheter att reglera trafiken. Ett sätt att minska tyngre trafik i innerstäder är genom införandet av mindre, energieffektiva distributionsfordon för last mile-leveranser av lättare paket. Studien bygger på en mix av kvalitativa och kvantitativa metoder. Intervjuer med experter inom området, samt studiebesök hos framgångsrika transportföretag har gett en bred kunskap i området. Tillgång till data inom nuvarande processer har dessutom hjälpt forma de två lösningsförslag som slutligen presenteras i studien. Resultatet av studien framkommer i två lösningsförslag, ett nutidsförslag och ett framtidsförslag. Nutidsförslaget innehåller förändringar i såväl nuvarande processer som införandet av nya. Förslagen som presenteras här är mindre resurskrävande att implementera och ses därför vara möjliga att genomföra i dag. Framtidsförslaget presenterar vidare förbättringar som kan tillämpas inom terminalens processer. Dessa förslag är mer resurskrävande. Trots att studien är utförd efter specifika önskemål från uppdragsgivaren täcker den relevanta områden som är av intresse för alla företag som vill implementera en last mile-lösning med hjälp av cykelfordon.
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Krech, Anthony. "Feasibility study of centralized distribution in a regional building materials distributor." Online version, 2009. http://www.uwstout.edu/lib/thesis/2009/2009krecha.pdf.

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Hopkins, Michael. "Critical Node Analysis for Water Distribution System Using Flow Distribution." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/722.

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The expansive nature of water distribution system makes them susceptible to threats such as natural disasters and man-made destructions. Vulnerability assessment research efforts have increased since the passing of “Bioterrorism Preparedness and Response Act” in 2002 to harden WDS. This study aimed to develop a method that locates critical nodes without hydraulic analysis of every failure scenario, applicable for any size WDS, incorporates critical infrastructure, and capable of verifying method accuracy. The Flow Distribution method is the application of the gravity model, typically used to predict traffic flows in transportation engineering, to a distribution system. Flow distribution predicts the amount of demand and population that would be affected if any node in the system were disabled by solving for the distribution of each node’s outflow. Flow Distribution is applied to the hypothetical city, Anytown, USA using the computer simulation program WaterCAD to model two different disaster scenarios. Results were verified by analyzing sixteen failure scenarios (one for each node) to measure the actual demand and population effect, which was then compared to the nodes predicted by Flow Distribution. Flow Distribution predicted the critical nodes with 70% accuracy and can still be improved with future work.
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Bavouzet, Nicolas. "Les galaxies infrarouges : distribution spatiale, contributions au fond extragalactique et distributions spectrales d'énergie." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00363975.

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Si la formation des grandes structures de l'Univers est plutot bien comprise, celle des galaxies ainsi que leur évolution l'est beaucoup moins. On s'intéresse en particulier aux mécanismes de mise en route de la formation stellaire dans les galaxies. L'étude des galaxies lumineuses en infrarouge constitue une des approches pour répondre à ces questions. Le travail effectué au cours de cette thèse repose essentiellement sur l'analyse de données infrarouges provenant du satellite Spitzer.

La première partie de ce travail porte sur l'étude de la
distribution spatiale des galaxies infrarouges. Nous avons introduit une nouvelle méthode pour mesurer la fonction de corrélation angulaire des galaxies. Cette méthode a été validée sur des simulations et des données. Nous avons également montré comment les effets de corrélation spatiale pouvaient biaiser les mesures de flux moyen réalisées par la méthode d'empilement. De plus, la
fonction de corrélation angulaire mesurée pour les sources sélectionnées à 3.6 microns et 24 microns montre un excès de corrélation aux petites échelles angulaires. Ceci pourrait être lié à l'interaction des galaxies à l'intérieur d'un meme halo de matière noire qui favoriserait alors les mécanismes d'émission infrarouge.

Dans un second temps, nous nous sommes attachés à mieux caractériser le fond diffus infrarouge (CIB) en déterminant la contribution à ce fond des sources détectées à 3.6 microns et en la comparant à celle des sources sélectionnées à 24 microns. Nous avons également estimé la contribution au CIB à 3.6 et 24 microns des sources sélectionnées à 3.6 microns en fonction de leur taux de formation stellaire spécifique.

Enfin, nous avons étudié les distributions spectrales d'énergie d'un grand nombre de galaxies situées entre z=0 et z=2 : nous avons montré d'une part que les luminosités à 8 et 24 microns étaient de bons traceurs de la luminosité totale infrarouge (et donc du taux de formation stellaire) et, d'autre part, que les propriétés de ces galaxies ne semblaient pas évoluer entre entre z=0 et z=1. Nous avons également étudié de façon détaillée le spectre infrarouge de 17 galaxies sélectionnées à 70 microns et nous avons montré que la luminosité relative des PAHs diminuait lorsque le champ de rayonnement
augmentait.
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Godin, Antoine. "Deciphering synaptic receptor distributions, clustering and stoichiometry using spatial intensity distribution analysis (SpIDA)." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96774.

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Measuring protein interactions in subcellular compartments is key to understanding cell signalling mechanisms, but quantitative analysis of these interactions in situ has remained a major challenge. This thesis presents a novel analysis technique, spatial intensity distribution analysis (SpIDA), which may be applied to images obtained using fluorescence microscopy. SpIDA measures fluorescent particle densities and oligomerization states within individual images. The method is based on fitting intensity histograms from single images with super-Poissonian distributions to obtain density maps of fluorescent molecules and their quantal brightness. Since distributions are acquired spatially rather than temporally, this analysis may be applied to both live and chemically fixed cells and tissue. The technique does not rely on spatial correlations, freeing it from biases due to subcellular compartmentalization and heterogeneity within tissue samples. First, we validated the analysis technique evaluating its limits and demonstrating how it can be used to obtain useful information from complex biological samples. Analysis of simulations and heterodimeric GABAB receptors in spinal cord samples shows that the approach yields accurate estimates over a broad range of densities. SpIDA is applicable to sampling within subcell areas and reveals the presence of monomers and multimers with single dye labeling. We show that the substance P receptor (NK-1r) almost exclusively forms homodimers on the membrane and is primarily monomeric in the cytoplasm of dorsal horn neurons. Triggering receptor internalization caused a measurable decrease in homodimer density on the membrane surface. Finally, using GFP-tagged receptor subunits, we show that SpIDA can resolve dynamic changes in receptor oligomerization in live cells and is applicable to detection of high order oligomerization states. We then compared SpIDA results with those obtained from fluorescence lifetime imaging, and used it to extract information on receptor tyrosine kinase (RTK) dimerization at the cell membrane in response to GPCR activation. We show that RTK dimerization can be used as an index of activation or transactivation and then characterize the level of transactivation of many RTK-GPCR pairs, with cell cultures and primary neuron cultures with endogenous levels of RTKs and GPCRs. Dose-response curves were obtained from which pharmalogical parameters can be compared for each GPCR studied. Our data demonstrates that by allowing for time and space quantification of heterogenous oligomeric states, SpIDA enables systematic quantitative mechanistic studies not only of RTK transactivation at the cell membrane, but also of other cell signaling processes involving changes in protein oligomerization, trafficking and activity in different subcellular localizations. Finally, we studied the changes in number of synaptic sites in the neurons of the dorsal horn of the spinal cord of rats after a peripheral nerve injury (PNI), which consists of our model for chronic pain. We show that, after the PNI, there is a general decrease in synaptic sites together with a scaling or increasing of some of the GABAA receptor subunits. This scaling of the GABAA receptors at the postsynaptic sites was replicated by incubating the histological sections in a brain derivative nerve factor. Furthermore, we use SpIDA to obtain stoichiometry information for the GABAA receptor subunits directly at the postsynaptic sites. In short, we observe a switch from receptors containing two alpha1 to receptors containing two alpha2 and alpha3. This general change in subunits will have a direct effect on the cell as it will have different effects on the cell membrane conductance in response to GABA. As demonstrated, the advantages and greater versatility of SpIDA over current techniques opens the door to a new level of quantification for studies of protein interactions in native tissue using standard fluorescence microscopy.
Measuring protein interactions in subcellular compartments is key to understanding cell signalling mechanisms, but quantitative analysis of these interactions in situ has remained a major challenge. This thesis presents a novel analysis technique, spatial intensity distribution analysis (SpIDA), which may be applied to images obtained using fluorescence microscopy. SpIDA measures fluorescent particle densities and oligomerization states within individual images. The method is based on fitting intensity histograms from single images with super-Poissonian distributions to obtain density maps of fluorescent molecules and their quantal brightness. Since distributions are acquired spatially rather than temporally, this analysis may be applied to both live and chemically fixed cells and tissue. The technique does not rely on spatial correlations, freeing it from biases due to subcellular compartmentalization and heterogeneity within tissue samples. First, we validated the analysis technique evaluating its limits and demonstrating how it can be used to obtain useful information from complex biological samples. Analysis of simulations and heterodimeric GABAB receptors in spinal cord samples shows that the approach yields accurate estimates over a broad range of densities. SpIDA is applicable to sampling within subcell areas and reveals the presence of monomers and multimers with single dye labeling. We show that the substance P receptor (NK-1r) almost exclusively forms homodimers on the membrane and is primarily monomeric in the cytoplasm of dorsal horn neurons. Triggering receptor internalization caused a measurable decrease in homodimer density on the membrane surface. Finally, using GFP-tagged receptor subunits, we show that SpIDA can resolve dynamic changes in receptor oligomerization in live cells and is applicable to detection of high order oligomerization states. We then compared SpIDA results with those obtained from fluorescence lifetime imaging, and used it to extract information on receptor tyrosine kinase (RTK) dimerization at the cell membrane in response to GPCR activation. We show that RTK dimerization can be used as an index of activation or transactivation and then characterize the level of transactivation of many RTK-GPCR pairs, with cell cultures and primary neuron cultures with endogenous levels of RTKs and GPCRs. Dose-response curves were obtained from which pharmalogical parameters can be compared for each GPCR studied. Our data demonstrates that by allowing for time and space quantification of heterogenous oligomeric states, SpIDA enables systematic quantitative mechanistic studies not only of RTK transactivation at the cell membrane, but also of other cell signaling processes involving changes in protein oligomerization, trafficking and activity in different subcellular localizations. Finally, we studied the changes in number of synaptic sites in the neurons of the dorsal horn of the spinal cord of rats after a peripheral nerve injury (PNI), which consists of our model for chronic pain. We show that, after the PNI, there is a general decrease in synaptic sites together with a scaling or increasing of some of the GABAA receptor subunits. This scaling of the GABAA receptors at the postsynaptic sites was replicated by incubating the histological sections in a brain derivative nerve factor. Furthermore, we use SpIDA to obtain stoichiometry information for the GABAA receptor subunits directly at the postsynaptic sites. In short, we observe a switch from receptors containing two alpha1 to receptors containing two alpha2 and alpha3. This general change in subunits will have a direct effect on the cell as it will have different effects on the cell membrane conductance in response to GABA. As demonstrated, the advantages and greater versatility of SpIDA over current techniques opens the door to a new level of quantification for studies of protein interactions in native tissue using standard fluorescence microscopy.
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Helgason, Ólafur. "Opportunistic Content Distribution." Doctoral thesis, KTH, Kommunikationsnät, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33828.

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In recent decades, communication networks have had a profound effect on society. Wireless communication has affected our lifestyle and altered how humans communicate and the Internet has revolutionized how we access, publish and disseminate information. In recent years we have also witnessed a radical change in how information is generated on the Internet. Today, information is no longer only generated by a small group of professionals but it is created by the users themselves and shared with a broad community with matching interests. This is evident with ”Web 2.0” applications such as blogs, podcasts, YouTube and social platforms like Facebook and Flickr. As a result of these trends, the Internet is today mainly used to provide users with access to contents. With recent advances in mobile platforms, information generation and consumption has spread from personal computers and Internet into people’s palms. This calls for efficient dissemination of information to and from mobile devices. This thesis considers content-centric networking in the context of mobile wireless networks. The main focus is on opportunistic distribution of content where mobile nodes directly exchange content items when they are within communication range. This communication mode enables dissemination of content between mobile nodes without relying on infrastructure, which can be beneficial for several reasons: infrastructure may be absent, overloaded, unreliable, expensive to use, censored or limited to certain users or contents. Opportunistic networking also has different properties than infrastructure based wireless networking, particularly in terms of scalability, locality and dissemination delay. The contributions of this thesis lie in two areas. Firstly we study the feasibility and performance of opportunistic networking among mobile nodes in urban areas using both analytic models and simulations. In particular we study the effect of two enablers of opportunistic networking: cooperation and mobility. By applying models from epidemic modeling, we show that if nodes cooperate by sharing, even in a limited manner, content can spread efficiently in a number of common case scenarios. We also study in detail which aspects of human mobility affect wireless communication and conclude that performance is not very sensitive to accurate estimation of the probability distributions of mobility parameters such as speed and arrival process. Our results however suggest that it is important to capture the scenario and space in which mobility occurs since this may affect performance significantly. Secondly, we present our design and implementation of a middleware architecture for a mobile peer-to-peer content distribution. Our system uses a decentralized content solicitation scheme that allows the distribution of content between mobile devices without requiring Internet connectivity and infrastructure support. Our system is based on the publish/subscribe paradigm and we describe the design and implementation of key components. We evaluate the performance and correctness of the system using both large-scale simulations and small-scale experimentation with our implementation. Finally we present the design and evaluation of an energy-efficient radio subsystem for opportunistic networking.
QC 20110524
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Li, Minyue. "Distribution Preserving Quantization." Doctoral thesis, KTH, Skolan för elektro- och systemteknik (EES), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-38482.

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In the lossy coding of perceptually relevant signals, such as sound and images, the ultimate goal is to achieve good perceived quality of the reconstructed signal, under a constraint on the bit-rate. Conventional methodologies focus either on a rate-distortion optimization or on the preservation of signal features. Technologies resulting from these two perspectives are efficient only for high-rate or low-rate scenarios. In this dissertation, a new objective is proposed: to seek the optimal rate-distortion trade-off under a constraint that statistical properties of the reconstruction are similar to those of the source. The new objective leads to a new quantization concept: distribution preserving quantization (DPQ). DPQ preserves the probability distribution of the source by stochastically switching among an ensemble of quantizers. At low rates, DPQ exhibits a synthesis nature, resembling existing coding methods that preserve signal features. Compared with rate-distortion optimized quantization, DPQ yields some rate-distortion performance for perceptual benefits. The rate-distortion optimization for DPQ facilitates mathematical analysis. The dissertation defines a distribution preserving rate-distortion function (DP-RDF), which serves as a lower bound on the rate of any DPQ method for a given distortion. For a large range of sources and distortion measures, the DP-RDF approaches the classic rate-distortion function with increasing rate. This suggests that, at high rates, an optimal DPQ can approach conventional quantization in terms of rate-distortion characteristics. After verifying the perceptual advantages of DPQ with a relatively simple realization, this dissertation focuses on a method called transformation-based DPQ, which is based on dithered quantization and a non-linear transformation. Asymptotically, with increasing dimensionality, a transformation-based DPQ achieves the DP-RDF for i.i.d. Gaussian sources and the mean squared error (MSE). This dissertation further proposes a DPQ scheme that asymptotically achieves the DP-RDF for stationary Gaussian processes and the MSE. For practical applications, this scheme can be reduced to dithered quantization with pre- and post-filtering. The simplified scheme preserves the power spectral density (PSD) of the source. The use of dithered quantization and non-linear transformations to construct DPQ is extended to multiple description coding, which leads to a multiple description DPQ (MD-DPQ) scheme. MD-DPQ preserves the source probability distribution for any packet loss scenario. The proposed schemes generally require efficient entropy coding. The dissertation also includes an entropy coding algorithm for lossy coding systems, which is referred to as sequential entropy coding of quantization indices with update recursion on probability (SECURE). The proposed lossy coding methods were subjected to evaluations in the context of audio coding. The experimental results confirm the benefits of the methods and, therewith, the effectiveness of the proposed new lossy coding objective.
QC 20110829
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Bhusal, Prabodh. "Distribution reliability analysis." Thesis, Wichita State University, 2007. http://hdl.handle.net/10057/1532.

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This thesis presents an example for optimization of distribution maintenance scheduling of a recloser. It applies a risk reduction technique associated with maintenance of the equipment. Furthermore, this thesis examines how various distribution system designs, including distributed energy resources (DER), affect distribution reliability indices, System Average Interruption Duration Index (SAIDI) and System Average Interruption Frequency Index (SAIFI).
Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Electrical and Computer Engineering
"December 2007."
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Sundeck, Per. "Distribution Banverket PDÖ." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97890.

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This thesis was made at Banverket Produktion region Öst (Banverket Production, Eastern region), who have decided to restructure their warehousing for spare parts. The basic problem is the amount of spare parts with long stock rotation cycles, which represents a great costs for the warehousing. To become more financially effective, several spare parts with low frequency of use will be centralized to four larger warehouses, seventeen earlier. When there are spare parts at every warehouse, the time to rectify problems will be relatively short. If the repair related transports are taken care of in the same way after the centralization there is a large risk that time rectify the problem will be unacceptably long. The new conditions for the warehousing lead to a need for a new model of distribution to use. The purpose of this thesis is to examine how the repair time will be affected by the restructuring and the new transport situation that comes with it. It is also to see if it is possible to find logistical solutions to make the prolonged repair time acceptable. It is necessary to focus on how to manage the transports at the time of spare parts need when administrating the warehousing if some spare parts only are to be found at few warehouses. In the end there will be some kind of ”Just-In-Time” system where the parts only are to be found at the central warehouses and transports will be administered when needed. The effect is that some of the financial resources that will be saved by the centralization will be used to create an effective distribution system. A good basis is necessary to discuss and produce proposals for managing the distribution. That's why the situation today is analyzed in regards to the distribution system and the plans for the future It will then give relevant and necessary information about considerations to take into account. You will also get a clear picture of why the actions are needed. Due to the low stock rotation frequency of these parts, it will probably be most financially effective to purchase transportation services as they are needed. To produce proposals for how to manage the distribution both ground and air transportation companies have been contacted and analyzed. These contacts have resulted in a model that gives information of how to manage different situations. The final solution has become the alternative where most transports are performed by cars and trucks. The helicopters will be used as a complement in extremely urgent situations. The model is validated by some analysis and discussions of hypothetical situations. This will give examples of how the system will work under the new circumstances. You will see how the new system will work in comparison to the old and get a clear picture of the differences between the helicopter and the truck transportation alternatives. The validation shows that, in a time perspective, the model is a satisfactory solution to the problem. There are many opportunities to develop the model by including more information in the analysis parts. The costs, for example, have not been focused on. Other opportunities might be to bring focus to the frequently used spare parts and all warehouses, as well as to look closer at the possibilities to cooperate with a neighbouring regions of Banverket Produktion.
Examensarbetet är ett beställningsarbete åt Banverket Produktion Öst, som beslutat att omstrukturera sin lagerverksamhet med felavhjälpningsmaterial. Det grundläggande problemet är att en alltför stor andel produkter med låg förbrukningsfrekvens i lager innebär stora lagerkostnader. För att blir mer kostnadseffektiv har man valt att centralisera lagerhållningen av artiklar med lågfrekvent förbrukning till fyra större lager mot tidigare sjutton. Då artiklar finns på i stort sett samtliga lager blir tiden för att avhjälpa fel relativt kort. Om transporterna vid felavhjälpning hanteras på samma sätt efter centraliseringen är risken stor att felavhjälpningstiden blir oacceptabelt lång. De nya lagerförutsättningarna medför ett behov av en ny distributionsmodell vid felavhjälpning. Syftet med examensarbetet är att undersöka hur felavhjälpningstiden påverkas av omstruktureringen med de längre transporter som då blir fallet, och om man med hjälp av olika logistiska lösningar kan göra denna förlängda felavhjälpningstid acceptabel. Det som krävs för att hantera lagerhållningen när man börjat lagerföra vissa artiklar endast centralt är att man måste lägga mer resurser på direkt anskaffning av produkter vid felavhjälpning. I praktiken blir det då en form av Just-In-Timesystem där det inte finns säkerhetslagrade produkter och transporter går från huvud- eller centrallager vid behov. Effekten blir att en del av de resurser som sparats genom minskad lagerhållning får användas till att skapa ett effektivt distributionssystem. Ett bra underlag är nödvändigt för att kunna diskutera och ge förslag på distributionsalternativ. Därför har nuläget analyserats med avseende på distributionssystem och framtidsplaner eftersom en sådan analys ger relevant och nödvändig information om vad man bör ta hänsyn till. Man får även en tydligare bild av varför åtgärderna är nödvändiga. På grund av det lågfrekventa behovet av transporter blir det med största sannolikhet mest lönsamt att köpa transporter när det är nödvändigt. Fördelen med detta alternativ är också att man behåller kontrollen över transportkostnaderna. För att kunna ge förslag på en konkret distributionsmodell har således både marktransportföretag och helikopterföretag kontaktats och analyserats. Dessa kontakter har resulterat i en modell som visar hur man kan hantera olika situationer. Den slutliga lösningen har blivit ett alternativ där olika varianter av bilar hanterar merparten av transporterna medan helikoptertransporter fungerar som ett komplement vid extremt akuta transporter. Modellen har validerats genom att några hypotetiska situationer analyserats och diskuterats, detta för att ge exempel på hur systemet kommer att fungera under de nya förhållandena. Dels ser man hur det nya systemet fungerar i jämförelse med det gamla, dels ser man tydligt skillnaden mellan helikopter- och bilalternativet. Valideringen visar att modellen ur ett tidsperspektiv fungerar tillfredställande. Det finns många möjligheter att utveckla modellen genom att inkludera flera parametrar. Kostnadsparametern har till exempel inte varit i fokus. Andra möjligheter kan vara att ta hänsyn till alla artiklar och alla lager eller samarbete med en närliggande region.
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Books on the topic "And Distribution"

1

Lamy, Claude. Distribution. Repentigny, Québec: L'Ami rebelle, 1999.

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Supply, Chartered Institute of Purchasing and. Distribution. Stamford: The Chartered Institute of Purchasing and Supply, 1995.

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LOWE, David. Distribution. Stamford: Chartered Institute of Purchasing & Supply, 2000.

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Smith, Keith. Distribution. 2nd ed. Stamford: Chartered Institute of Purchasing & Supply, 1998.

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Ross, David Frederick. Distribution. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1.

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Moir, Christopher. Distribution. London: Chapman & Hall, 1992.

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Tarondeau, Jean-Claude. La distribution. 2nd ed. Paris: Presses Universitaires de France, 1988.

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Kalinowski, Julian O. Von. Distribution practices. New York, NY (11 Penn Plaza, New York 10001): M. Bender, 1990.

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Tarondeau, Jean-Claude. La distribution. Paris: Presses universitaires de France, 1985.

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Tarondeau, Jean-Claude. La distribution. 3rd ed. Paris: Presses Universitaires de France, 1992.

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Book chapters on the topic "And Distribution"

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Ross, David Frederick. "Enterprise Integrative Management." In Distribution, 3–38. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_1.

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Ross, David Frederick. "Inventory Acquisition." In Distribution, 439–503. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_10.

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Ross, David Frederick. "Warehousing." In Distribution, 504–78. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_11.

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Ross, David Frederick. "Transportation." In Distribution, 579–647. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_12.

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Ross, David Frederick. "International Distribution." In Distribution, 651–712. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_13.

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Ross, David Frederick. "Information Technology in Logistics." In Distribution, 713–52. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_14.

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Ross, David Frederick. "The Distribution Management Environment." In Distribution, 39–82. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_2.

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Ross, David Frederick. "Business And Strategic Planning." In Distribution, 87–117. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_3.

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Ross, David Frederick. "Forecasting in the Distribution Environment." In Distribution, 118–58. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_4.

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Ross, David Frederick. "Marketing, Sales, and Logistics Planning." In Distribution, 159–207. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4684-0015-1_5.

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Conference papers on the topic "And Distribution"

1

Liu, Hong, and Peiwen Li. "CFD Assisted Design Optimization of a Flow Distributor for Uniform Fluid Distribution." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65344.

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This study addresses a fundamental issue of distributing a fluid flow into a number of flow channels uniformly. A basic mechanism of flow distribution is accomplished through a channel bifurcation that symmetrically split one flow channel into two downstream channels. Applying the basic mechanism, cascades flow distributions are designed to split one flow into a large number of downstream flows uniformly. Some key parameters decisive to the flow distribution uniformity in such a system have been recognized, and the flow distribution uniformity was studied for several versions of flow distributor designs using CFD analysis. The effect of the key parameters of the flow channel designs to the flow distribution uniformity was investigated. As an example of industrial application, a novel fluid packaging device was proposed and some CFD analysis results for the device were provided. The optimized flow distributor makes a very good uniform flow distribution which will significantly improve the efficiency of fluid packaging. The technology is expected to be of great significance to many industrial devices that require high uniformity of flow distribution.
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Teryaev, Oleg. "Pressure in generalized parton distributions and distribution amplitudes." In 23rd International Spin Physics Symposium. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.346.0077.

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Eliason, Kiya L., and Steven Jones. "Students’ “multi-sample distribution” misconception about sampling distributions." In 42nd Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education. PMENA, 2020. http://dx.doi.org/10.51272/pmena.42.2020-203.

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Southerlin, S. R. "New distribution automation switchgear and its contribution to overhead distribution reliability." In 14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium). IEE, 1997. http://dx.doi.org/10.1049/cp:19970579.

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Bergman, S. "Visions of future distribution systems." In 14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium). IEE, 1997. http://dx.doi.org/10.1049/cp:19970618.

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Kaur, Navdeep, and Harleen Dahiya. "Generalized parton distributions and transverse momentum distribution of pion." In PROCEEDINGS OF THE 15TH INTERNATIONAL CONFERENCE ON MESON-NUCLEON PHYSICS AND THE STRUCTURE OF THE NUCLEON. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0008601.

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Krahl, S., S. Ohrem, and H. J. Haubrich. "Probability distributions of reliability indices of electrical distribution networks." In 20th International Conference and Exhibition on Electricity Distribution (CIRED 2009). IET, 2009. http://dx.doi.org/10.1049/cp.2009.0714.

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Gonzalez, D. A. "Distribution transformer for the 21st Century." In 14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium). IEE, 1997. http://dx.doi.org/10.1049/cp:19970464.

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Biscaglia, V. "Maintenance planning on MV distribution network." In 14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium). IEE, 1997. http://dx.doi.org/10.1049/cp:19970526.

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Torben, S. "Distributed intelligence in tomorrow's distribution system." In 14th International Conference and Exhibition on Electricity Distribution (CIRED 1997 - Distributing Power for the Millennium). IEE, 1997. http://dx.doi.org/10.1049/cp:19970574.

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Reports on the topic "And Distribution"

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Sala-i-Martin, Xavier. The World Distribution of Income (estimated from Individual Country Distributions). Cambridge, MA: National Bureau of Economic Research, May 2002. http://dx.doi.org/10.3386/w8933.

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Skone, Timothy J. Distribution combustion. Office of Scientific and Technical Information (OSTI), January 2018. http://dx.doi.org/10.2172/1559440.

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Skone, Timothy J. Distribution Fugitives. Office of Scientific and Technical Information (OSTI), January 2018. http://dx.doi.org/10.2172/1559818.

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Skone, Timothy J. Distribution Venting. Office of Scientific and Technical Information (OSTI), January 2018. http://dx.doi.org/10.2172/1559819.

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Winterbottom, Alan, and John Snell. The Reduction of Component Reliability Distributions to a System Reliability Distribution. Fort Belvoir, VA: Defense Technical Information Center, December 1987. http://dx.doi.org/10.21236/ada195247.

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Figliozzi, Miguel. Distribution Logistics Course. Portland State University Library, August 2009. http://dx.doi.org/10.15760/trec.17.

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Kauffman, R. SUPERTHERMAL ELECTRON DISTRIBUTION. Office of Scientific and Technical Information (OSTI), December 2007. http://dx.doi.org/10.2172/924176.

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Untersteiner, Norbert, and Richard E. Moritz. Ice Thickness Distribution. Fort Belvoir, VA: Defense Technical Information Center, September 1989. http://dx.doi.org/10.21236/ada298898.

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Skone, Timothy J. Electricity Distribution (Primary). Office of Scientific and Technical Information (OSTI), April 2013. http://dx.doi.org/10.2172/1509156.

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Skone, Timothy J. Electricity Distribution (Secondary). Office of Scientific and Technical Information (OSTI), April 2013. http://dx.doi.org/10.2172/1509157.

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