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Rozprawy doktorskie na temat „Mean performance”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Figueiredo, Juliana Gonzalez. "Performance of Robo-Advisors versus Mean-Variance Theory." Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20859.

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Mestrado em Finanças<br>Os "robo-advisors" representam uma tendência de rápido crescimento dentro da indústria de consultoria de investimentos e têm um enorme potencial para ser uma alternativa para investidores de varejo. Porém, por se tratar de uma tecnologia tão recente, esta ainda é uma área pouco explorada e com métodos e eficiência pouco estudados. Este estudo compreende abordagens teórica e empírica sobre a metodologia de investimento dos robôs. Na parte teórica, realizamos uma revisão bibliográfica apresentando os principais estudos realizados sobre os robôs e o seu estado atual no mer

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Blanck, Andreas. "On the Performance of Mean-Risk Portfolio Optimization Strategies." Thesis, Umeå universitet, Nationalekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-149611.

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Finding a portfolio strategy that entails optimal performance and risk diversification may be a complicated task for investors. In this thesis, we explore and evaluate the performances of several non-trivial portfolio optimization strategies, based on various measures of risk, to identify the optimal choice. Furthermore, as in contemporary papers, we will also assess whether or not trivial strategies are outperformed by those that rely on rigorous theoretical frameworks. These portfolio strategies were backtested on historic U.S. stock marketdata ranging from 2000 to 2015, to evaluate how they

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Colatat, Mahyulee C. "Estimating Performance Mean and Variability With Distributional Rating Scales: A Field Study Towards Improved Performance Measurement." Bowling Green State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1206385486.

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Colatat, Mahyulee Chang. "Estimating performance mean and variability with distributional rating scales a field study towards enhanced performance measurement /." Bowling Green, Ohio : Bowling Green State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1206385486.

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Wenstrup, Martin Emil. "Etik i internationale virksomheder - et middel til performance? = Ethics in international enterprises - a mean to performance? /." Aarhus : Institut for Økonomi, Aarhus Universitet, 2007. http://mit.econ.au.dk/Library/Specialer/20013587.htm.

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6

Agarwal, Vikas. "Place of hedge funds in a prudent portfolio : risk-return characteristics and performance evaluation." Thesis, London Business School (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368204.

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Laichi, Farouk. "Performance study of the leaky least mean square adaptive algorithm with delayed adjustments." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6748.

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Adaptive filters constitute an important part of signal processing. They are widely used in many applications where signal statistics are unknown to the users. One of the most popular adaptive methods is known as the least mean-squared (LMS) algorithm. It is well known for its hardware simplicity and its cost effectiveness. However, the LMS adaptive algorithm does not operate well in non-ideal environments. Leakage in the updated equation of the LMS algorithm was proven to overcome many such problems. This algorithm is known as the leaky LMS (LLMS). The LLMS is very robust to drifting phenomen

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Salehi, H. (Hamed). "A mean-variance portfolio optimization based on firm characteristics and its performance evaluation." Master's thesis, University of Oulu, 2013. http://urn.fi/URN:NBN:fi:oulu-201305201300.

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A flexible and financially sensible methodology that takes quantifiable firm’s characteristics into account when constructing a portfolio inspired by Brandt et al. (2009) and Hjalmarsson and Manchev (2010) is described. The method imposes the weights to be a linear function of characteristics for investor that maximizes return and penalizes for amount of volatility and solves the optimization model with a statistical method suggested by Britten-Jones (1999). It is designed in a way to be dollar-and beta-neutral. In order to exploit the information of some of the return-predictive factors with

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9

Godbole, Swapnil. "Investigating The Relationship Between Mean Radiant Temperature (MRT) And Predicted Mean Vote (PMV) : A case study in a University building." Thesis, KTH, Installations- och energisystem, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235927.

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Thermal comfort in an indoor environment is largely dependent on the four environmental and two personal parameters which is most commonly measured by the Predicted Mean Vote (PMV) model developed by Fanger. It has been studied that variations in these parameters beyond a range could lead to discomfort complaints. However, little research has been done on the effect of mean radiant temperature variations and its influence on predicted mean vote and thermal comfort specially in an actual building environment. This study aims to investigate the relationship between mean radiant temperature and p

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10

Nassr, Husam, and Kurt Kosbar. "PERFORMANCE EVALUATION FOR DECISION-FEEDBACK EQUALIZER WITH PARAMETER SELECTION ON UNDERWATER ACOUSTIC COMMUNICATION." International Foundation for Telemetering, 2017. http://hdl.handle.net/10150/626999.

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This paper investigates the effect of parameter selection for the decision feedback equalization (DFE) on communication performance through a dispersive underwater acoustic wireless channel (UAWC). A DFE based on minimum mean-square error (MMSE-DFE) criterion has been employed in the implementation for evaluation purposes. The output from the MMSE-DFE is input to the decoder to estimate the transmitted bit sequence. The main goal of this experimental simulation is to determine the best selection, such that the reduction in the computational overload is achieved without altering the performance

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Van, Antwerpen Werner. "Multi-quadrant performance simulation for subsonic axial flow compressors / Werner van Antwerpen." Thesis, North-West University, 2007. http://hdl.handle.net/10394/1271.

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The emergence of closed-loop Brayton cycle power plants, such as the PBMR, resulted in the need to simulate start-up transients for industrial multi-stage axial flow compressors operating at subsonic conditions. This implies that the delivery pressure and power requirements must be predicted for different mass flow rates and rotational speeds while operating in the first and fourth quadrants on the compressor performance charts. Therefore, an analytical performance prediction model for subsonic multi-stage axial flow compressors had to be developed that can be integrated into a generic network

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12

Simko, Andrew Jack. "Performance Analysis of an Urban Stormwater Best Management Practice Retrofit." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/64931.

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Historically, the primary objective of traditional stormwater best management practices (BMPs) was to attenuate peak runoff discharges from urban areas. There has been growing demand to construct BMPs that improve stormwater runoff quality to reduce pollutant loading into downstream water bodies. A BMP located in Herndon, Virginia was retrofitted in 2009. Previously a dry detention pond, the new BMP design contains permanent wet pools as well as elements of Low Impact Development practices. A performance analysis was conducted on the retrofit to determine if the BMP was removing pollutants fro

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13

Nounagnon, Jeannette Donan. "Using Kullback-Leibler Divergence to Analyze the Performance of Collaborative Positioning." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/86593.

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Geolocation accuracy is a very crucial and a life-or-death factor for rescue teams. Natural disasters or man-made disasters are just a few convincing reasons why fast and accurate position location is necessary. One way to unleash the potential of positioning systems is through the use of collaborative positioning. It consists of simultaneously solving for the position of two nodes that need to locate themselves. Although the literature has addressed the benefits of collaborative positioning in terms of accuracy, a theoretical foundation on the performance of collaborative positioning has been

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Estêvão, Helena Rojo. "Sonoridades tecnológicas: a cultura digital e as transformações estéticas na música popular." Pontifícia Universidade Católica de São Paulo, 2016. https://tede2.pucsp.br/handle/handle/19017.

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Submitted by Filipe dos Santos (fsantos@pucsp.br) on 2016-09-13T14:21:26Z No. of bitstreams: 1 Helena Rojo Estêvão.pdf: 6577841 bytes, checksum: 2d8dafe599598866cc5a731cdee450bd (MD5)<br>Made available in DSpace on 2016-09-13T14:21:26Z (GMT). No. of bitstreams: 1 Helena Rojo Estêvão.pdf: 6577841 bytes, checksum: 2d8dafe599598866cc5a731cdee450bd (MD5) Previous issue date: 2016-03-21<br>Our primary focus is the relationship among musical performances and technology. We try to highlight the importance of performer’s aesthetical position towards technologic mediation so it becomes possible

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15

Cao, Jennifer Yue. "The performance and robustness of confidence intervals for the median of a symmetric distribution constructed assuming sampling from a Cauchy distribution." Kansas State University, 2012. http://hdl.handle.net/2097/14897.

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Master of Science<br>Department of Statistics<br>Paul Nelson<br>Trimmed means are robust estimators of location for distributions having heavy tails. Theory and simulation indicate that little efficiency is lost under normality when using appropriately trimmed means and that their use with data from distributions with heavy tails can result in improved performance. This report uses the principle of equivariance applied to trimmed means sampled from a Cauchy distribution to form a discrepancy function of the data and parameters whose distribution is free of the unknown median and scale para

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16

McClintock, Samuel Alan. "Effects of temperature and mean cell residence time on the performance of high-rate biological nutrient removal processes." Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08252008-162825/.

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Armson, David. "The effect of trees and grass on the thermal and hydrological performance of an urban area." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/the-effect-of-trees-and-grass-on-the-thermal-and-hydrological-performance-of-an-urban-area(c203be98-7c4e-4445-83cb-32d8d98796bc).html.

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The process of urbanization dramatically alters the landscape which can have negative effects on the environment, and thereby, places the inhabitants and the city itself at risk. The development of an urban heat island can have severe health implications for city inhabitants during prolonged heat waves. Urbanisation also alters hydrological processes, which can place urban areas at a greater threat of surface flooding during heavy rainfall. As cities are continuing to expand, and as climate change proceeds, these problems are only likely to be exacerbated and there is a need to find ways to re

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Ogorodnikova, Natalia. "Pareto πps sampling design vs. Poisson πps sampling design. : Comparison of performance in terms of mean-squared error and evaluation of factors influencing the performance measures". Thesis, Örebro universitet, Handelshögskolan vid Örebro Universitet, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-67978.

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Narapareddy, Yagna Brahma Sai. "QoE Performance Evaluation by Introducing Video Freeze on Mobile Multimedia." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-18995.

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Real time video streaming through mobile Internet is increasing day by day and the video quality can be affected very badly by network performance issues. Video freezing and video jumping are one of the serious issues that affect the user experience badly. Hence service providers are interested to evaluate the performance of quality of experience. We follow the methods from the International Telecommunications Union–Telecommunication Sector(ITU-T)recommendations. In this thesis, we are studying the effect of freezing on user experience by subjective tests and obtaining the mean opinion sco

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Belhareth, Sonia. "Performances réseaux et système pour le cloud computing." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4146/document.

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Le cloud computing permet d'offrir un accès à la demande à des ressources de calcul et de stockage. Le succès du cloud computing nécessite la maîtrise d'aspects système et réseau. Dans cette thèse, nous nous sommes intéressés aux performances du protocole TCP Cubic, qui est la version par défaut de TCP sous Linux et donc présent dans de nombreux serveurs opérationnels dans les data centers actuels. Afin de comprendre les performances d'un environnement cloud, qui offre un faible produit bande passante-délai pour le cas intra-data center, et un fort produit dans le cas inter-data center, nous a

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21

Lovstedt, Stephan P. "Improving Performance of the Filtered-X Least Mean Square Algorithm for Active Control of Noise Contatining Multiple Quasi-Stationary Tones." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2290.pdf.

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22

Malarkey, Robert Dennis. "THE INFLUENCE OF DIFFERENTLY FRAMED INFORMATION ON DECISION MAKING IN THE PUBLIC BUDGETING PROCESS: DOES BUDGET REFORM MEAN A DAMN?" VCU Scholars Compass, 2008. http://scholarscompass.vcu.edu/etd/700.

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Public budgeting has become a central artifact of American government the principal means for establishing and implementing policy. Modern public budgeting was introduced in the early Twentieth Century as an adaptation of objects of revenue and expenditure budgeting used in commercial businesses. Since then - over a hundred years - a series of budget reform movements have sought to overcome a major drawback to this model: the lack of a direct link between revenues and expenditures and any measure of the quality or quantity of public benefits derived from budget allocations. While a number

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23

Aivaz, Balian Razmik. "The effect of compression ratio on the performance of a direct injection diesel engine." Thesis, Brunel University, 1990. http://bura.brunel.ac.uk/handle/2438/11249.

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This thesis considers the effect of compression ratio on the performance of a direct injection diesel engine. One aspect of engine performance is considered in great detail, namely the combustion performance at increased clearance volume. This aspect was of particular interest because variable compression ratio (VCR) systems normally operate by varying the clearance volume. The investigation relied upon results obtained both from experimental and computer simulating models. The experimental tests were carried out using a single-cylinder direct-injection diesel engine, under simulated turbochar

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Geng, Haoming, and Cheng Wang. "The Performance of Technical Analysis : A case study in Chinese domestic A share." Thesis, Umeå University, Umeå School of Business, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-35658.

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<p>In this thesis, we conduct a case study by applying simple technical trading rules on Chinese stock market. The technical trading rules we tested are moving average rules and trading range breakout rules. The stock indices we tested are SSE A (Shanghai A) and SZSE (Shenzhen A) share, these shares are limited to the Chinese domestic traders. Our main trading rule frameworks are mainly from Brock, Lakonishok& Lebaron (1992), which including the most basic technical trading rules and covered various length of period, however we add the 25 days moving average to our frame work. We obtained our

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VERMA, PALLAVI. "CONTROL OF SOLAR PV SYSTEM BASED MICROGRID FOR ENHANCED PERFORMANCE." Thesis, DELHI TECHNOLOGICAL UNIVERSITY, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18879.

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With the depletion of non-renewable resources and growing public awareness about the advantages of green energy, alternative renewable sources are evolving as a significant source of energy since past few years. Furthermore, the electrical grid is on the verge of a paradigm shift, from centralized power generation, transmission, and huge power grids towards distributed generation (DG). DG fundamentally uses small-scale generators like photovoltaic (PV) panels, wind turbine, fuel cells, small and micro hydropower, diesel generator set, etc., and is limited to small distribution networks t

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Kulkarni, Aditya. "Performance Analysis of Zero Forcing and Minimum Mean Square Error Equalizers on Multiple Input Multiple Output System on a Spinning Vehicle." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/577482.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA<br>Channel equalizers based on minimum mean square error (MMSE) and zero forcing (ZF) criteria have been formulated for a general scalable multiple input multiple output (MIMO) system and implemented for a 2x2 MIMO system with spatial multiplexing (SM) for Rayleigh channel associated with additive white Gaussian noise. A model to emulate transmitters and receivers on a spinning vehicle has bee

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Sari, Martina <1996&gt. "ESG integration and financial performance. Investment analysis of ESG portfolios compared with traditional ones utilising equally weighted and mean-variance methods." Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/19033.

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Nowadays, Environmental, Social, and Governance (ESG) factors have gained significant attention from investors, consequently playing a key role in investment decision-making. Several studies have shown the importance of ESG factors, documenting that portfolio management strategies that integrate ESG criteria perform better compared to other traditional approaches based solely on considering financial value. Since ESG integration is a relatively new concept that is still undergoing development by legislators and financial services companies, this study aims to present the main elements that d

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Besnard, Stephane. "Performance and application of the Modular Acoustic Velocity Sensor (M.A.V.S.) current meter for laboratory measurements." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1538.

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Every type of current meter is different and has its proper characteristics. Knowing the performance of a current meter is essential in order to use it properly either for field or laboratory measurements (such as in the Offshore Technology Research Center wave basin). A study of the MAVS (Modular Acoustic Velocity Sensor) in a wave basin is a first step essential for later deployment in real studies. This thesis is based on data obtained from different series of laboratory measurements conducted in the OTRC wave basin. The objective of the first part of the study was to characterize the MAVS

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Kwon, Yongung. "EFFECTS OF CHRONIC ANKLE INSTABILITY AND REST INTERVALS ON PERFORMANCE, NEUROMUSCULAR FUNCTION, POSTURAL CONTROL, AND BIOMECHANICS DURING THE STAR EXCURSION BALANCE TEST." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/4054.

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Introduction: It has been proposed that inadequate rest intervals may contribute to decreased performance of activities. However, previous research has not investigated the effect of rest interval on performance of the Star Excursion Balance Test (SEBT) in individuals with and without chronic ankle instability. Objective: To determine whether rest interval affects performance of the SEBT associated with chronic ankle instability (CAI) and whether neuromuscular function, postural control or biomechanics can be associated factors which may help discriminate between healthy individuals and those

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Addo, Evans Dapaa. "Performance Comparison of Imputation Algorithms on Missing at Random Data." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etd/3422.

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Missing data continues to be an issue not only the field of statistics but in any field, that deals with data. This is due to the fact that almost all the widely accepted and standard statistical software and methods assume complete data for all the variables included in the analysis. As a result, in most studies, statistical power is weakened and parameter estimates are biased, leading to weak conclusions and generalizations. Many studies have established that multiple imputation methods are effective ways of handling missing data. This paper examines three different imputation methods (predi

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Zhao, Zhanlue. "Performance Appraisal of Estimation Algorithms and Application of Estimation Algorithms to Target Tracking." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/394.

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This dissertation consists of two parts. The first part deals with the performance appraisal of estimation algorithms. The second part focuses on the application of estimation algorithms to target tracking. Performance appraisal is crucial for understanding, developing and comparing various estimation algorithms. In particular, with the evolvement of estimation theory and the increase of problem complexity, performance appraisal is getting more and more challenging for engineers to make comprehensive conclusions. However, the existing theoretical results are inadequate for practical r

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Pacheco, Ruiz Santiago. "Submerged anaerobic membrane bioreactor for wastewater treatment : effect of mean cell residence time on membrane flux, mixed liquor characteristics and overall reactor performance." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/403002/.

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Mean cell residence time (MCRT) is a major operational parameter in all biological treatment systems because of its relationship to growth rate and thus to metabolic activity. Due to their mode of operation, submerged anaerobic membrane bioreactors (SAnMBR) offer a homogenous system in which MCRT can be simply controlled through volumetric wastage. Although a number of studies using SAnMBR have been reported, however, little information is available regarding the effect of MCRT on operational performance, mixed liquor characteristics and the influence of these on membrane performance. In this

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Naibert, Paulo Ferreira. "Seleção de carteiras com restrição da norma do vetor de alocação : uma aplicação a dados brasileiros." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/132904.

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Este trabalho estuda o problema de seleção de carteiras de variância mínima com base em uma recente metodologia para otimização de carteiras com restrições nas normas das exposições brutas proposta por Fan, Zhang e Yu (2012). Para esse propósito, consideram-se diferentes estimadores da matriz de covariâncias condicional e incondicional. A grande contribuição deste artigo é de natureza empírica para o mercado de ações brasileiro. Avaliam-se índices de desempenho fora da amostra das carteiras construídas para um conjunto de 61 ações negociadas na Bolsa de Valores de São Paulo (BM&FBovespa). Os r

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Li, Ding. "Localised Routing Algorithms with Quality of Service Constraints. Development and performance evaluation by simulation of new localised Quality of Service routing algorithms for communication networks using residual bandwidth and mean end-to-end delay as metrics." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4912.

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Localised QoS routing is a relatively new, alternative and viable approach to solve the problems of traditional QoS routing algorithms which use global state information resulting in the imposition of a large communication overhead and route flapping. They make use of a localised view of the network QoS state in source nodes to select paths and route flows to destination nodes. Proportional Sticky Routing (PSR) and Credit Based Routing (CBR) have been proposed as localised QoS routing schemes and these can offer comparable performances. However, since network state information for a specific p

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Zhen, Zuguang. "The effect of mobile cellular network performance and contextual factors on smartphone users’ satisfaction : A study on QoE evaluation for YouTube video streaming via CrowdSourcing." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177566.

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Mobile data traffic will continue to show rapid growth in the coming years; however the data revenue is not rising fast enough to ensure the operators’ profitability. Therefore, mobile operators must seek new approaches to find out what service does the customers need and what quality makes the customers satisfied in order to keep their increasingly sophisticated customers satisfied at the same time minimizing their revenue gap. This paper investigate the effect of mobile cellular network performance and contextual factors on smartphone users’ satisfaction, this was done via crowdsourcing thro

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Rajasekaran, Arunkumar, and Velanginichakravarthy Cherry. "Effect of Network OFF Times on Web Browsing QoE." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3420.

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The web user usually expects a better Quality of Service (QoS) from the Internet Service Provider (ISP) for the best Quality of Experience (QoE). User satisfaction and feedback is one of the most important factors for the service providers to determine their QoS and improve the network performance. Service providers are more interested in QoE to provide a better service to their users to maintain their customers in the competitive market. Since there is no much study work conducted in the QoE on web browsing, only a few studies are available for getting user feedbacks. So the ISP is facing a d

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Wang, Shanshan. "Modeling and Performance Evaluation of Spatially-correlated Cellular Networks." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS079.

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Dans la modélisation et l'évaluation des performances de la communication cellulaire sans fil, la géométrie stochastique est largement appliquée afin de fournir des solutions plus efficaces et plus précises. Le processus ponctuel de Poisson homogène (H-PPP), est le processus ponctuel le plus largement utilisé pour modéliser les emplacements spatiaux des stations de base (BS) en raison de sa facilité de traitement mathématique et de sa simplicité. Pour les fortes corrélations spatiales entre les emplacements des stations de base, seuls les processus ponctuels (PP) avec inhibitions et attraction

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Tran, Nguyen Duy. "Performance bounds in terms of estimation and resolution and applications in array processing." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2012. http://tel.archives-ouvertes.fr/tel-00777503.

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This manuscript concerns the performance analysis in signal processing and consists into two parts : First, we study the lower bounds in characterizing and predicting the estimation performance in terms of mean square error (MSE). The lower bounds on the MSE give the minimum variance that an estimator can expect to achieve and it can be divided into two categories depending on the parameter assumption: the so-called deterministic bounds dealing with the deterministic unknown parameters, and the so-called Bayesian bounds dealing with the random unknown parameter. Particularly, we derive the clo

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Kahaei, Mohammad Hossein. "Performance analysis of adaptive lattice filters for FM signals and alpha-stable processes." Thesis, Queensland University of Technology, 1998. https://eprints.qut.edu.au/36044/7/36044_Digitised_Thesis.pdf.

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The performance of an adaptive filter may be studied through the behaviour of the optimal and adaptive coefficients in a given environment. This thesis investigates the performance of finite impulse response adaptive lattice filters for two classes of input signals: (a) frequency modulated signals with polynomial phases of order p in complex Gaussian white noise (as nonstationary signals), and (b) the impulsive autoregressive processes with alpha-stable distributions (as non-Gaussian signals). Initially, an overview is given for linear prediction and adaptive filtering. The convergence

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Caro, Waldir Edison Farfán. "Análise preditiva de desempenho de workflows usando teoria do campo médio." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/45/45134/tde-17062017-020319/.

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Os processos de negócio desempenham um papel muito importante na indústria, principalmente pela evolução das tecnologias da informação. As plataformas de computação em nuvem, por exemplo, com a alocação de recursos computacionais sob demanda, possibilitam a execução de processos altamente requisitados. Para tanto, é necessário definir o ambiente de execução dos processos de tal modo que os recursos sejam utilizados de forma ótima e seja garantida a correta funcionalidade do processo. Nesse contexto, diferentes métodos já foram propostos para modelar os processos de negócio e analisar suas prop

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Barkat, Braham. "Design, estimation and performance of time-frequency distributions." Thesis, Queensland University of Technology, 2000.

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Imbert, Villà Marc. "Design and performance evaluation of millimeter-wave flat lens antennas for communications, radar and imaging applications." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/397648.

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Millimeter-wave systems introduce a set of particular severe requirements from the antenna point of view in order to achieve specific performances. In this sense, high directive antennas are required to overcome the huge extra path loss. Moreover, each particular application introduces additional requirements. For example, in very high throughput (VHT) wireless personal area networks (WPANs) communication systems at 60 GHz band beam-steering antennas are needed to deal with high user random mobility and human-body shadowing characteristic of indoor environments. Similarly, beam-steering capabi

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Liu, Yu. "Estimation, Decision and Applications to Target Tracking." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1758.

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This dissertation mainly consists of three parts. The first part proposes generalized linear minimum mean-square error (GLMMSE) estimation for nonlinear point estimation. The second part proposes a recursive joint decision and estimation (RJDE) algorithm for joint decision and estimation (JDE). The third part analyzes the performance of sequential probability ratio test (SPRT) when the log-likelihood ratios (LLR) are independent but not identically distributed. The linear minimum mean-square error (LMMSE) estimation plays an important role in nonlinear estimation. It searches for the best esti

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Brito, Flávia Brandão Ramalho de. "Estudo da temperatura de globo em relação à temperatura do ar durante atividades cognitivas em ambientes de ensino com alterações climáticas em áreas das regiões brasileiras." Universidade Federal da Paraíba, 2017. http://tede.biblioteca.ufpb.br:8080/handle/tede/9932.

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Submitted by Leonardo Cavalcante (leo.ocavalcante@gmail.com) on 2018-06-08T09:59:33Z No. of bitstreams: 1 Arquivototal.pdf: 3643438 bytes, checksum: 6fd84d23d2fc6cbabb0990fff76832f1 (MD5)<br>Made available in DSpace on 2018-06-08T09:59:34Z (GMT). No. of bitstreams: 1 Arquivototal.pdf: 3643438 bytes, checksum: 6fd84d23d2fc6cbabb0990fff76832f1 (MD5) Previous issue date: 2017-02-16<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>Introduction: The planet's climate change may raise the average temperature in all regions of Brazil. As there has been an increas

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Schoon, Katryn. "Effect of cottonseed oilcake meal on ostrich growth performance, meat chemical composition and sensory attributes." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71847.

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Thesis (MScAgric)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: This research study consists of three investigations with regard to ostrich (Struthio camelus var. domesticus) production, meat quality and the processing of ostrich meat into a value added meat product. The first study was conducted in order to establish whether the gradual replacement of soybean oilcake meal with cottonseed oilcake meal (CSOCM) as a protein source in the diet of slaughter ostriches would affect ostrich growth performance and meat quality. A total of 105 ostriches were divided into five feeding grou

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Béguin, Maryse. "Modèles markoviens de transfert de charge dans les réseaux informatiques." Université Joseph Fourier (Grenoble), 1997. http://tel.archives-ouvertes.fr/tel-00004914.

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Cette thèse porte sur la modélisation et l'evaluation d'algorithmes de transfert de charge dans des systèmes parallèles et/ou distribués. Après une synthèse des différentes approches possibles du transfert de charge et des problèmes rencontres pour leurs mises en oeuvre et leurs évaluations quantitatives, nous développons plusieurs modèles basés sur une évolution markovienne de la configuration des charges de l'ensemble des processeurs. Les indices de performance étudiés afin de comparer les valeurs obtenues avec transfert et sans transfert sont la saturation mémoire, le débit du système, la c

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Fares, Rasha H. A. "Performance modelling and analysis of congestion control mechanisms for communication networks with quality of service constraints. An investigation into new methods of controlling congestion and mean delay in communication networks with both short range dependent and long range dependent traffic." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5435.

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Active Queue Management (AQM) schemes are used for ensuring the Quality of Service (QoS) in telecommunication networks. However, they are sensitive to parameter settings and have weaknesses in detecting and controlling congestion under dynamically changing network situations. Another drawback for the AQM algorithms is that they have been applied only on the Markovian models which are considered as Short Range Dependent (SRD) traffic models. However, traffic measurements from communication networks have shown that network traffic can exhibit self-similar as well as Long Range Dependent (LRD) pr

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Fares, Rasha Hamed Abdel Moaty. "Performance modelling and analysis of congestion control mechanisms for communication networks with quality of service constraints : an investigation into new methods of controlling congestion and mean delay in communication networks with both short range dependent and long range dependent traffic." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5435.

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Active Queue Management (AQM) schemes are used for ensuring the Quality of Service (QoS) in telecommunication networks. However, they are sensitive to parameter settings and have weaknesses in detecting and controlling congestion under dynamically changing network situations. Another drawback for the AQM algorithms is that they have been applied only on the Markovian models which are considered as Short Range Dependent (SRD) traffic models. However, traffic measurements from communication networks have shown that network traffic can exhibit self-similar as well as Long Range Dependent (LRD) pr

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Krishnan, Sarasa. "Beyond the architecture of sensing: An investigation of the role and function of the observer in a staged performance, with particular reference to the Indian aesthetic theory of Rasa, and its effect on what we mean by conciousness." Thesis, Krishnan, Sarasa (2015) Beyond the architecture of sensing: An investigation of the role and function of the observer in a staged performance, with particular reference to the Indian aesthetic theory of Rasa, and its effect on what we mean by conciousness. PhD thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/30504/.

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Sage Bharata’s ancient Indian aesthetic theory of “Rasa” has for many years been the subject of research and intercultural exploration in global theatre and performance studies. While this dissertation focuses on the role of observer in performance, it more importantly explores the larger notion of consciousness. Illuminated by “Rasa” theory, this research sifts through the understanding of broader philosophical, spiritual and aesthetic issues that are so often not cohesively examined within the context of performance studies. European and Asian philosophies are linked to once again examine co

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Dagfalk, Johanna, and Ellen Kyhle. "Listening in on Productivity : Applying the Four Key Metrics to measure productivity in a software development company." Thesis, Uppsala universitet, Avdelningen för datalogi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-440147.

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Software development is an area in which companies not only need to keep up with the latest technology, but they additionally need to continuously increase their productivity to stay competitive in the industry. One company currently facing these challenges is Storytel - one of the strongest players on the Swedish audiobook market - with about a fourth of all employees involved with software development, and a rapidly growing workforce. With the purpose of understanding how the Storytel Tech Department is performing, this thesis maps Storytel’s productivity defined through the Four Key Metrics

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