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Dissertations / Theses on the topic 'Ratio Method'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Leydold, Josef. "Automatic Sampling with the Ratio-of-uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 1999. http://epub.wu.ac.at/84/1/document.pdf.

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Applying the ratio-of-uniforms method for generating random variates results in very efficient, fast and easy to implement algorithms. However parameters for every particular type of density must be precalculated analytically. In this paper we show, that the ratio-of-uniforms method is also useful for the design of a black-box algorithm suitable for a large class of distributions, including all with log-concave densities. Using polygonal envelopes and squeezes results in an algorithm that is extremely fast. In opposition to any other ratio-of-uniforms algorithm the expected number of uniform r

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2

Leydold, Josef. "Short Universal Generators Via Generalized Ratio-of-Uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 2000. http://epub.wu.ac.at/348/1/document.pdf.

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We use inequalities to design short universal algorithms that can be used to generate random variates from large classes of univariate continuous or discrete distributions (including all log-concave distributions). The expected time is uniformly bounded over all these distributions for a particular generator. The algorithms can be implemented in a few lines of high level language code. (author's abstract)<br>Series: Preprint Series / Department of Applied Statistics and Data Processing

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3

O'Hare, Eugene. "A psychopharmacological evaluation of the cyclic-ratio schedule method." Thesis, University of Ulster, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287227.

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4

DeYoung, Clara. "Biomass Estimation Using the Component Ratio Method for White Oak." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50421.

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With higher demands on biomass, the ability to accurately estimate the amount in a stand is more important now than ever before. Existing models currently in use by the Forest Inventory and Analysis (FIA) program of the United States Department of Agriculture (USDA) Forest Service include the Component Ratio Method (CRM). However, testing of the CRM models is needed to validate and calibrate them. The objective of this research was to test and develop a system of equations capable of producing consistent volume and biomass estimates for standing trees of commercially important hardwood species

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5

Hörmann, Wolfgang, and Gerhard Derflinger. "The Transformed Rejection Method for Generation Random Variables, an Alternative to the Ratio of Uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 1994. http://epub.wu.ac.at/1314/1/document.pdf.

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Theoretical considerations and empirical results show that the one-dimensional quality of non-uniform random numbers is bad and the discrepancy is high when they are generated by the ratio of uniforms method combined with linear congruential generators. This observation motivates the suggestion to replace the ratio of uniforms method by transformed rejection (also called exact approximation or almost exact inversion), as the above problem does not occur for this method. Using the function $G(x) =\left( \frac(a)(1-x)+b\right)x $ with appropriate $a$ and $b$ as approximation of the inverse distr

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6

Sowazi, Khanyisa. "Investigating the Gamma-ray Strength Function in 74Ge using the Ratio Method." University of the Western Cape, 2018. http://hdl.handle.net/11394/6513.

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>Magister Scientiae - MSc<br>An increasing number of measurements reveal the presence of a low-energy enhancement in the gamma-ray strength function (GSF). The GSF, which is the ability of nuclei to absorb or emit rays, provides insight into the statistical properties of atomic nuclei. For this project the GSF was studied for 74Ge which was populated in the reaction 74Ge(p,p')74Ge* at a beam energy of 18 MeV. The data were collected with the STARS-LIBERACE array at Lawrence Berkeley National Laboratory. Silicon detector telescopes were used for particle identi cation and rays in c

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7

Mutakwa, Darlington. "Analysis of the projected parity progression ratio method using two successive censuses." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/5892.

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Includes abstract.<br>Includes bibliographical references.<br>The objective of this study is to assess how well the projected parity progression ratio method works when applied to two successive censuses or Demographic Health Surveys. Four countries, namely Malawi, Zimbabwe, Cambodia and Panama, each with two recent censuses which are ten years apart, are used. Each of the census and survey used is taken through a data quality assessment process to check for inconsistencies. Using age-order specific fertility rates derived from births in the past year, parity progression ratios are projected t

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8

Ding, Feng. "Peak-ratio analysis method for enhancement of LOM protection using M class PMUs." Thesis, University of Strathclyde, 2017. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28852.

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Loss of Mains (LOM) occurs when part of the utility network containing distributed generation (DG) is disconnected from the remainder of the system. Detecting LOM will become more important in the future as higher amounts of DG will be connected to increase the use of renewable energy sources, to reduce emissions and to reduce power transmission losses. In some cases, DG can be capable of supplying loads within an island and the islanded system can remain stable. However, safety issues arise if LOM persists and, accordingly, islanded operation is not permitted in the majority of utility system

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9

Nichkawde, Chetan. "Nonlinear aeroelastic analysis of high aspect-ratio wings using the method of numerical continuation." Texas A&M University, 2003. http://hdl.handle.net/1969.1/3846.

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This research explores the impact of kinematic structural nonlinearities on the dynamics of a highly deformable cantilevered wing. Two different theoretical formulations are presented and analysed for nonlinear behavior. The first formulation, which is more conventional, assumes zero equilibrias and structural nonlinearities occur as terms up to third order in the Taylor series expansion of structural nonlinearities. In the second approach, no prior assumption about equilibria states of the wing is made. Kinematic nonlinearities due to curvature and inertia were retained in their exact form. T

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10

Newey, William Barton D. "A STUDY OF THE UTILIZATION OF PANEL METHOD FOR LOW ASPECT RATIO WING ANALYSIS." DigitalCommons@CalPoly, 2020. https://digitalcommons.calpoly.edu/theses/2220.

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This study demonstrates the applicability of using a modified application strategy of panel method to analyze low aspect ratio wings at preliminary design phases. Conventional panel methods fail to capture the leading edge vortex (LEV) that is shed by wings with low aspect ratios, typically below 2 depending on planform. This aerodynamic phenomenon contributes to a significant amount of the lift of these wings and the result is a drastic underestimation of the lift characteristics when analyzed by conventional panel method. To capture the effect of the leading edge vortex, a panel method code

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11

Gassaway, Bryan Louis. "A METHOD FOR THE INVESTIGATION OF THE AEROELASTIC BEHAVIOR OF VERY HIGH ASPECT RATIO CYLINDERS." MSSTATE, 2001. http://sun.library.msstate.edu/ETD-db/theses/available/etd-11082001-093241/.

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This document details the investigation of the aeroelastic behavior of very high aspect ratio cylinders. The difficulty in this investigation lies in the fact that there are two important length scales: the aspect ratio and the Reynolds number. The primary goal is to develop a method that properly represents both length scales during testing. The secondary goal is to develop a method that quantifies the cylinder motion. This paper describes a wind tunnel technique designed to account for the aspect ratio and the Reynolds number of a very high aspect ratio cylinder. This paper also describes th

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12

Hörmann, Wolfgang. "A note on the quality of random variates generated by the ratio of uniforms method." Institut für Statistik und Mathematik, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 1993. http://epub.wu.ac.at/1440/1/document.pdf.

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The one-dimensional distribution of pseudo-random numbers generated by the ratio of uniforms methods using linear congruential generators (LCGs) as the source of uniform random numbers is investigated in this paper. Due to the two-dimensional lattice structure of LCGs there is always a comparable large gap without a point in the one-dimensional distribution of any ratio of uniforms method. Lower bounds for these probabilities only depending on the modulus and the Beyer quotient of the LCG are proved for the case that the Cauchy the normal or the exponential distribution are generated. These bo

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Dertli, Elcin. "Synthesis Of Gold Nanowires With High Aspect Ratio And Morphological Purity." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614710/index.pdf.

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Metal nanoparticles have unique optical, electrical, catalytic and mechanical properties, which lead them to various applications in nanotechnology. In particular, noble metal nanowires are attracting growing attention due to their potential applications such as in opto-electronic devices and transparent conductive contacts (TCCs). There are two general approaches to synthesize nanowires: template-assisted and solution phase methods. However, these synthesis approaches have various disadvantages. For example, removal of the template to ensure the purity of the synthesized nanowires is the majo

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Channumsin, Sittiporn. "A deformation model of flexible, high area-to-mass ratio debris under perturbations and validation method." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7531/.

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A new type of space debris was recently discovered by Schildknecht in near -geosynchronous orbit (GEO). These objects were later identified as exhibiting properties associated with High Area-to-Mass ratio (HAMR) objects. According to their brightness magnitudes (light curve), high rotation rates and composition properties (albedo, amount of specular and diffuse reflection, colour, etc), it is thought that these objects are multilayer insulation (MLI). Observations have shown that this debris type is very sensitive to environmental disturbances, particularly solar radiation pressure, due to the

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15

Liu, Yimeng. "Choice of Measurements for Comparisons between Counties and the Country." Thesis, Uppsala universitet, Statistiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-175766.

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The Swedish Association of Local Authorities and Regions (SALAR) and the Swedish National Board of Health and Welfare (NBHW) have published a yearly report called “Open Comparisons of Quality and Efficiency in Swedish Health Care –Regional Comparisons” since the year 2006 to compare medical outcomes, patient experience, availability and costs among hospitals and counties. In this paper, inspired by the region profiles attached to the report, we describe several possible measurement methods for comparing dichotomous data: Risk Difference (RD), Relative Risk (RR), Relative Risk Reduction (RRR) a

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16

Martin, Kris Rowland. "The Effect of Accounting Method Choice on Earnings Quality: A Study of Analysts' Forecasts of Earnings and Book Value." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/29240.

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Whether the quality of a firm's reported earnings affects investors' ability to predict future earnings and stock returns is still a subject of much debate among accounting researchers. Lev (1989) suggests that low quality earnings may be causing the relatively low correlation between reported earnings and stock returns (or the market's evaluation of future earnings). This dissertation used the valuation model described in Ohlson (1995) and Feltham and Ohlson (1995) to explore the possible links between accounting method choices and the ability of investors to use reported earnings to predict

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17

Tuo, Mingguang, Min Liang, Jitao Zhang, and Hao Xin. "Time-Domain THz Near-Field Imaging Incorporating Hadamard Multiplexing Method." IEEE, 2016. http://hdl.handle.net/10150/622785.

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Photoconductive antenna (PCA) array based THz near-field imager incorporating Hadamard multiplexing method is developed in this work. By using a 2 × 2 dipole antenna array as the THz transmitter, the system signal-to-noise ratio (SNR) is demonstrated to be improved by a factor of 2 as the theory predicts. Additionally, a 2-D scanning of a metallic structure on a THz-transparent substrate (with a total scanning area of 1 × 1 mm2) is experimentally implemented. Correlation coefficient estimation is made afterwards to quantify the reconstructed image quality.

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18

Islam, Silvia Zia, and silvia islam@rmit edu au. "Choice of financing method with market timing and liquidity: evidence from Australia." RMIT University. Economics, Finance and Marketing, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091029.135938.

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This thesis examines the capital structure choice of Australian firms with an emphasis on the impact of market timing and liquidity considering 1438 available firms for the period, 1997 to 2005. The relationship between capital structure and its determinants is the main focus of this thesis, with four empirical analyses. These analyses are all conducted within the Baker and Wurgler (2002) and Hovakimian (2006) models with both pooled ordinary least squares (OLS) and fixed effect panel analysis. The theory of market timing introduced by Baker and Wurgler (2002) has received considerable att

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19

Csonka, Enikö. "Method verification for aldosterone and renin assay - a reliable screening test for primary aldosteronism." Thesis, Uppsala universitet, Forskargrupper (Inst. för kvinnor och barns hälsa), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-358217.

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Primary aldosteronism (PA) is a common form of secondary hypertension with an international prevalence rates between 5 and 10 %. It is characterized by a high autonomous aldosterone production that causes cardiovascular damage, renin suppression, hypertension, sodium retention, potassium excretion and hypokalemia. The screening of PA is a simple test measuring aldosterone to renin ratio (ARR) with immunoassay method. This test is currently considered as the most reliable screening tool for PA. The main objective of the study was to evaluate an ELISA-method, for detection of aldosterone an

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20

Bechereau, Marie. "Élaboration de méthodes Lattice Boltzmann pour les écoulements bifluides à ratio de densité arbitraire." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLN059/document.

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Les extensions bifluides des méthodes Lattice Boltzmann à frontière libre utilisent généralement des pseudopotentiels microscopiques pour modéliser l'interface. Nous avons choisi d'orienter nos recherches vers une méthode Lattice Boltzmann à capture d'interface où la fraction massique d'un des deux fluides, inconnue, est transportée. De nombreux travaux ont montré les difficultés des méthodes Lattice Boltzmann à traiter des systèmes bifluides, et ce d'autant plus que le ratio de densité est important. Nous expliquerons l'origine de ces problèmes en mettant en évidence le manque de diffusion nu

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21

Smuts, Michiel Nicolaas. "Determination of the lime requirement of sandy, organic-rich, and structured, high Mg:Ca ratio soils by the Eksteen method." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/19866.

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Thesis (MScAgric)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: The Eksteen method of lime requirement determination, based on the ratio of Ca+Mg:H (R-value), is widely used in the Western Cape and has proven to be extremely accurate for most soils. However, the Eksteen method is known to give erroneous predictions of lime requirement for certain soil groups. These include sandy soils (notably pale coloured sandy soils), organic-rich topsoils and strongly structured, Mg-rich subsoils. The objective of this study was to examine the nature of the Eksteen RpH relationship for these problem

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22

Goetz, Ryan P. Rosenblad Brent L. "Study of the horizontal-to-vertical spectral ratio (HVSR) method for characterization of deep soils in the Mississippi Embayment." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/5334.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on December 22, 2009). Thesis advisor: Dr. Brent L. Rosenblad. Includes bibliographical references.

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23

Taira, Kunihiko Colonius Timothy E. Colonius Timothy E. "The immersed boundary projection method and its application to simulation and control of flows around low-aspect-ratio wings /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-05232008-124342.

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Chesson, Kristin Elaine. "A one-group parametric sensitivity analysis for the graphite isotope ratio method and other related techniques using ORIGEN 2.2." Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1944.

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25

Muller, Grant Envar. "Optimal asset allocation and capital adequacy management strategies for Basel III compliant banks." University of the Western Cape, 2015. http://hdl.handle.net/11394/4755.

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Philosophiae Doctor - PhD<br>In this thesis we study a range of related commercial banking problems in discrete and continuous time settings. The ﬁrst problem is about a capital allocation strategy that optimizes the expected future value of a commercial bank’s total non-risk-weighted assets (TNRWAs) in terms of terminal time utility maximization. This entails ﬁnding optimal amounts of Total capital for investment in different bank assets. Based on the optimal capital allocation strategy derived for the ﬁrst problem, we derive stochastic models for respectively the bank’s capital adequacy and

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26

Jegede, Olaseinde. "Dual-axis fluidic thrust vectoring of high-aspect ratio supersonic jets." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/dualaxis-fluidic-thrust-vectoring-of-highaspect-ratio-supersonic-jets(6d6a5867-8281-4dfd-ac45-105ff4e73e39).html.

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A dual-axis fluidic thrust vectoring (FTV) system is proposed where the supersonic propulsive jet of an aircraft is exhausted over a scarfed (swept), curved surface to produce flight control moments in both the pitch and yaw axes. This work contributes towards practical dual-axis FTV through expansion of fundamental curved-wall jet (CWJ) understanding, development of the novel Superimposed Characteristics technique for supersonic nozzle design, and performance evaluation of an experimental scarfed curved wall FTV configuration. Previous work has suggested that the use of a sheared exhaust velo

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Kajita, Shin, Noriyasu Ohno, Shuichi Takamura, and Tomohide Nakano. "Comparison of He I line intensity ratio method and electrostatic probe for electron density and temperature measurements in NAGDIS-II." American Institute of Physics, 2005. http://hdl.handle.net/2237/7050.

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Tuling, S. "An engineering method for modeling the interaction of circular bodies and very low aspect ratio cruciform wings at supersonic speeds." Thesis, University of the West of England, Bristol, 2013. http://eprints.uwe.ac.uk/20056/.

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An engineering method using a 2D unsteady potential formulation (called the free vortex model or FVM) has been developed to predict the normal force, centre-of-pressure and vortex position for cruciform wing-body combinations in the “plus” orientation, at supersonic speeds and cross ﬂow Mach numbers less than or equal to 0.55 up to angles of attack 20◦. The wings are of very low aspect ratio ( ≤ 0.1), have taper ratios greater than 0.85 (or signiﬁcant side edges) and have low span to body diameter ratios ( ≤ 1.5). The method predicts the position and subsequent loads imposed by the vortex alon

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Gallagher, Jonathan G. "Likelihood as a Method of Multi Sensor Data Fusion for Target Tracking." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1244041862.

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Rundin, Patrick. "Evaluation of a statistical method to use prior information in the estimation of combustion parameters." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6255.

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<p>Ion current sensing, where information about the combustion process in an SI-engine is gained by applying a voltage over the spark gap, is currently used to detect and avoid knock and misfire. Several researchers have pointed out that information on peak pressure location and air/fuel ratio can be gained from the ion current and have suggested several ways to estimate these parameters.</p><p>Here a simplified Bayesian approach was taken to construct a lowpass-like filter or estimator that makes use of prior information to improve estimates in crucial areas. The algorithm is computationally

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BITELLI, ULYSSES D. "Medida de parametros integrais no reator IPEN / MB-01." reponame:Repositório Institucional do IPEN, 2001. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10876.

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Made available in DSpace on 2014-10-09T12:45:00Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:06:08Z (GMT). No. of bitstreams: 1 07181.pdf: 9427675 bytes, checksum: b63bf520f5e52b6456ed23681cc3e0dd (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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Adams, William Mark 1961. "APPLICATION OF THE VARIANCE-TO-MEAN RATIO METHOD FOR DETERMINING NEUTRON MULTIPLICATION PARAMETERS OF CRITICAL AND SUBCRITICAL REACTORS (REACTOR NOISE, FEYNMAN-ALPHA)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275438.

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Christians, Joi S. "Reason, rhetoric, and authorities the ratio of Erasmus' New Testament translation method and hermeneutic as seen in his Annotations on Romans 5 /." Online full text .pdf document, available to Fuller patrons only, 2000. http://www.tren.com.

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Dhuness, Kahesh. "An offset modulation method used to control the PAPR of an OFDM transmission." Thesis, University of Pretoria, 2012. http://hdl.handle.net/2263/27258.

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Orthogonal frequency division multiplexing (OFDM) has become a very popular method for high-data-rate communication. However, it is well known that OFDM is plagued by a large peak-to-average power ratio (PAPR) problem. This high PAPR results in overdesigned power amplifiers, which amongst other things leads to inefficient amplifier usage, which is undesirable. Various methods have been recommended to reduce the PAPR of an OFDM transmission; however, all these methods result in a number of drawbacks. In this thesis, a novel method called offset modulation (OM-OFDM) is proposed to control the PA

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Dong, Bin. "Empirical Likelihood Method for Ratio Estimation." Thesis, 2011. http://hdl.handle.net/10012/5817.

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Empirical likelihood, which was pioneered by Thomas and Grunkemeier (1975) and Owen (1988), is a powerful nonparametric method of statistical inference that has been widely used in the statistical literature. In this thesis, we investigate the merits of empirical likelihood for various problems arising in ratio estimation. First, motivated by the smooth empirical likelihood (SEL) approach proposed by Zhou & Jing (2003), we develop empirical likelihood estimators for diagnostic test likelihood ratios (DLRs), and derive the asymptotic distributions for suitable likelihood ratio statistics under

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"Automatic Sampling with the Ratio-of-uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, 1999. http://epub.wu-wien.ac.at/dyn/dl/wp/epub-wu-01_9e0.

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Chen, Hung-Ju, and 陳紅朱. "Inference on Common Odds Ratio with Bayesian Method." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/31707298937591423544.

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Correia, Ivo Daniel Venhuizen. "Aeroelastic Optimization of a High Aspect Ratio Wing." Master's thesis, 2013. http://hdl.handle.net/10316/35554.

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"Short Universal Generators Via Generalized Ratio-of-Uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, 2000. http://epub.wu-wien.ac.at/dyn/dl/wp/epub-wu-01_9e7.

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Whalen, Tim J. "AN IMPROVED SCALE FOR THE NOVICE-EXPERT RATIO METHOD." Thesis, 2009. http://hdl.handle.net/1805/1973.

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ABSTRACT The Novice-Expert ratio Method (NEM) compares the time it takes a novice user to complete each step of a task with the time it takes an expert user to complete the same step. A high ratio indicates that novice users are performing a step far below expert performance. This allows researchers to identify aspects of a user interface that impede its usability, because they are counterintuitive. However, NEM has three major shortcomings. First, the merits of a ratio scale have never been appraised relative to other possible scales, such as log, median, reciprocal, D, and Cohen’s d. Second

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Park, Kwang-Wook. "An illuminance ratio prediction method for daylighting control of buildings." Thesis, 2004. http://spectrum.library.concordia.ca/7834/1/NQ90397.pdf.

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Heating, cooling and lighting are the dominant sectors of energy consumption in commercial buildings. Controlling solar radiation through windows will improve the illuminance distribution as well as energy efficiency of buildings. Advanced window systems with motorized shading controlled in conjunction with light dimming constitute a promising approach for improving energy efficiency of buildings. However, the performance of current controlled daylighting systems is neither sufficiently reliable nor accurate, thereby reducing their widespread adoption. The uncertainty of light dimming control

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FANG, YA LAN, and 方雅蘭. "COFIDENCE INTERVAL OF SN RATIO FOR LOWER IN TAIGUCHI METHOD." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/46773447495395114969.

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Li, Yi-Shian, and 李宜憲. "Verify the Bowen Ratio equation by using Eddy Covariance Method." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/51198309593008991636.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>100<br>The air quality model to simulate pollutants’ diffusion is affected by the diffusion degree that determined by the atmospheric stability, and the calculation of the atmospheric stability can be obtained from sensible heat flux. Bowen ratio, the ratio between sensible heat flux and latent heat flux, and its rational decision will change the value of sensible heat flux as well as subsequently modify the result of contaminants simulation. Therefore, instead of setting Bowen ratio as a constant by recent air quality models, this research applies the theory of the

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Huang, Su-Ching, and 黃素卿. "A TEQ Design Method That Maximizes Signal to Interference Ratio." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/50623242562499464794.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>96<br>In DSL (Digital Subscriber Lines) application, usually frequency division multiplexing is used to separate the upstream and downstream signals. In either direction of transmission, some of the frequency bands are not used for transmission. Earlier results show that minimizing interference by exploiting unused bands is usual for design TEQ. In this thesis, we also consider signal power in the objective function. The time domain equalizer (TEQ) is designed by maximizing signal to interference ratio. We will see that the incorporation of signal power will enhanc

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Wu, Chun-Wei, and 吳俊葳. "Regression method for covariate adjustment in average cost-effectiveness ratio." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/02447069939534385708.

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碩士<br>逢甲大學<br>應用數學學系<br>104<br>Cost-effectiveness analysis is the most commonly used technique of economic appraisal in health care. It has been frequently applied in medicine, health policy and other fields. The average cost-effectiveness ratio is one of the most popular indices to evaluate the cost-effectiveness of an intervention. It presents the average cost of spending on the intervention per effectiveness. A key concern is how to assess an average cost-effectiveness ratio adjusted by related covariates. In this study, we propose a covariate adjustment method using seemingly unrelated reg

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Jian-Wei, Huang, and 黃建瑋. "Ca/P Ratio Influence for Hydroxyapatite Synthesis via Hydrothermal Method." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/85532257989796491461.

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碩士<br>中華科技大學<br>機電光工程研究所碩士班<br>98<br>Hydrothermal method was used to make nano carbonate (CaCO3) and diammonium hydrogen phosphate ((NH4)2HPO4) solution to react with each other and form a supercritical fluid under high pressure in a closed autoclave. A certain temperature was maintained for a fixed time to allow the reactant particles to fully interact with each other until an appropriate intermediate formed. To form nano hydroxyapatite (HAp) powder, the desired crystalline phase was obtained as the crystal took shape during the cooling process. Through the control of different Ca/P molar rat

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LIU, HUI-TANG, and 劉輝堂. "A method for digital image coding with high compression ratio." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/22526252403728701410.

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Tsai, Ming-Ker, and 蔡明格. "Geo-acoustic Parameters Estimation by Spectrum Ratio Method Offshore Northeastern Taiwan." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/45983450911201854565.

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碩士<br>國立臺灣大學<br>工程科學及海洋工程學研究所<br>99<br>In The continental shelf regions offshore northeastern Taiwan, underwater sound propagation is influenced by the sediment enormously, so doing the acoustic studies in this regions, sediment acoustic parameters (including velocity, density, attenuation coefficient versus depth) becomes particularly important. Sediment data is collected mainly in two ways, one is to obtain core samples, however it’s difficult and limited by the number of site-sample. The second way is the geo-acoustic inversion, which used data of chirp sonar system to inverse the geo-acous

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邱敬文. "An improved Shift-and-Ratio method for Effective-Channel-Length extraction." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/24896547755449014309.

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Liu, Pin-Yen, and 劉品言. "An Edge Detection Method via the Tuning of RGB Weighting Ratio." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/bc99a5.

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