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Dissertations / Theses on the topic 'Square patch'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Clasen, Gisela. "Meshed patch antennas." Thesis, University of Kent, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322720.

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2

Randrianarivony, Maharavo, Guido Brunnett, and Reinhold Schneider. "Constructing a diffeomorphism between a trimmed domain and the unit square." Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200601399.

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This document has two objectives: decomposition of a given trimmed surface into several four-sided subregions and creation of a diffeomorphism from the unit square onto each subregion. We aim at having a diffeomorphism which is easy and fast to evaluate. Throughout this paper one of our objectives is to keep the shape of the curves delineating the boundaries of the trimmed surfaces unchanged. The approach that is used invokes the use of transfinite interpolations. We will describe an automatic manner to specify internal cubic Bezier-spline curves that are to be subsequently interpo

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3

Ucuncu, Gokhan. "X Band Two Layer Printed Reflectarray With Shaped Beam." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613897/index.pdf.

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X BAND TWO LAYER PRINTED REFLECTARRAY WITH SHAPED BEAM &Uuml<br>&ccedil<br>&uuml<br>nc&uuml<br>, G&ouml<br>khan MSc., Department of Electrical and Electronics Engineering Supervisor: Prof. Dr. H. &Ouml<br>zlem Aydin &Ccedil<br>ivi October, 2011, 110 pages X-band cosecant square shaped beam microstrip reflectarray is designed, fabricated and measured. Unit element of the reflectarray is in stacked patch configuration. With the aim of designing shaped beam pattern, phase-only synthesis method based on genetic algorithm is used. Phases of reflected electric field from antenna elements are adjuste

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Rosato, V. "PARTIAL LEAST SQUARE PATH MODELING APPROACH IN BIOMEDICAL RESEARCH." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/253801.

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The Partial Least Squares Path Modeling (PLS-PM) is a method meant to estimate a network of causal relationships defined according to a theoretical model. The complexity of the theoretical construct is studied by taking into account the relationships among non measurable indicators (latent variables), represented by a set of observed variables (manifest variables). PLS-PM aims to estimate, through a system of interdependent equations based on simple and multiple regressions, the network of relations among the manifest variables and their own latent variable, and among the latent variables insi

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5

Mouton, Hayley. "Path place pause: re-establishing vibrancy and cultural identity in Pniël by redefining the square." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/18174.

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Includes bibliographical references<br>Buildings provide a source of culture and cultural identity, forming part of the cultural fabric of an area with traces of the past assisting in the development of a place (Fransen, 2006). Cultural identity appears to be threatened in many mission towns in South Africa as issues of gentrification, urbanization and a loss of cultural values become apparent. As such, an architectural intervention is needed to provide a connection between people and place, in order to retain the cultural identity of a place. This dissertation explores how a spatial framework

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Jacmenovic, Dennis, and dennis_jacman@yahoo com au. "Optimisation of Active Microstrip Patch Antennas." RMIT University. Electrical and Computer Engineering, 2004. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20060307.144507.

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This thesis presents a study of impedance optimisation of active microstrip patch antennas to multiple frequency points. A single layered aperture coupled microstrip patch antenna has been optimised to match the source reflection coefficient of a transistor in designing an active antenna. The active aperture coupled microstrip patch antenna was optimised to satisfy Global Positioning System (GPS) frequency specifications. A rudimentary aperture coupled microstrip patch antenna consists of a rectangular antenna element etched on the top surface of two dielectric substrates. The substrates

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Martínez, Ruiz Alba. "Patent value models: partial least squares path modelling with mode C and few indicators." Doctoral thesis, Universitat Politècnica de Catalunya, 2011. http://hdl.handle.net/10803/116489.

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Two general goals were raised in this thesis: First, to establish a PLS model for patent value and to investigate causality relationships among variables that determine the patent value; second, to investigate the performance of Partial Least Squares (PLS) Path Modelling with Mode C inthe context of patent value models. This thesis is organized in 10 chapters. Chapter 1 presents an introduction to the thesis that includes the objectives, research scope and the document’s structure. Chapter 2 gives an overview of the different approaches for patent value from the perspective of technological

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8

Roy, Mousumi. "Front-end considerations for next generation communication receivers." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/frontend-considerations-for-next-generation-communication-receivers(636dc047-7772-46c3-b049-183d3af2a7bb).html.

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The ever increasing diversity in communication systems has created a demand for constant improvements in receiver components. This thesis describes the design and characterisation of front-end receiver components for various challenging applications, including characterisation of low noise foundry processes, LNA design and multi-band antenna design. It also includes a new theoretical analysis of noise coupling in low noise phased array receivers.In LNA design much depends on the choice of the optimum active devices. A comprehensive survey of the performance of low noise transistors is therefor

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9

Brunnström, Jesper. "Online Secondary Path Modelling for Spatial Active Noise Control with Arbitrarily Spaced Arrays." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-293537.

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In this work we explore online secondary path modelling (SPM) in the context of spatial active noise control (ANC). Specifically, we are interested in the reduction of broadband noise over a three-dimensional region, without restrictions on microphone and loudspeaker array placement. As spatial ANC generally requires many channels, both ANC and SPM methods must have low computational cost. The SPM methods are intended to be used with a specific spatial ANC algorithm based on kernel interpolation. By incorporating SPM, the spatial ANC method is enabled to operate under timevarying secondary pat

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10

Sporre, Göran. "On Some Properties of Interior Methods for Optimization." Doctoral thesis, KTH, Mathematics, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3472.

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<p>This thesis consists of four independent papers concerningdifferent aspects of interior methods for optimization. Threeof the papers focus on theoretical aspects while the fourth oneconcerns some computational experiments.</p><p>The systems of equations solved within an interior methodapplied to a convex quadratic program can be viewed as weightedlinear least-squares problems. In the first paper, it is shownthat the sequence of solutions to such problems is uniformlybounded. Further, boundedness of the solution to weightedlinear least-squares problems for more general classes ofweight matri

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11

Kanat, Irfan Emrah. "E-government Adoption Model Based On Theory Of Planned Behavior: Empirical Investigation." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610714/index.pdf.

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The e-government phenomena has become more important with the ever increasing number of implementations world wide. A model explaining the e-government adoption and the related measurement instrument a survey had been developed and validated in this study. In a post technology acceptance model (TAM) approach, theory of planned behavior (TPB) was extended to t the requirements of e-government context. The adoption of student loans service of the higher education student loans and accommodation association (KYK) was investigated to obtain data for empirical validation. The instrument was adminis

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Svensson, Felicia. "The loaded barbell squat: Muscle activation with the barbell in a free compared to a fixed vertical movement path in healthy athletes." Thesis, Umeå universitet, Avdelningen för fysioterapi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175878.

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Introduction: Loaded barbell squat is one of the most popular exercises among athletes and can be performed in many different ways to achieve different goals. The difference in muscle activation between a free and afixed vertical movement path (using Smith machine) has not been examined to a particularly large extent. Aim: To investigate differences in muscle activation of the gluteal and thigh muscles when performing the loaded barbell squat in a free movement path compared to a fixed vertical movement path in healthy athletes under standardized conditions. Methods: Repeated measures within-s

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FALOTICO, ROSA. "Modelli ad Equazioni Strutturali e Reti Probabilistiche Bayesiane: due approcci a confronto nello studio di relazioni causali." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/19444.

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Causality is a concept extremely important in science, but its definition is quite controversial and its detection is not exempt from problems. There are different approaches to deal with causality. Two of them are the Structural Equation Models (SEMs) and the Probabilistic Bayesian Networks (PBNs). SEMs are confirmative models. Given a causal structure, they test if it is coherent with data. In this context they are estimated using the Partial Least Squares Path Modeling technique in order to obtain the scores of latent variables. PBNs are inductive methods. Their attempt is to extract the ca

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Křikavová, Iva. "B + B BARCELONA." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2010. http://www.nusl.cz/ntk/nusl-215699.

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B+B Barcelona/master’s thesis/Iva Křikavová/studio of Ivan Koleček/2010 Urban Plan of Poble Nou district of Barcelona in the past was strongly defined, factory halls fully built the block, streets and squares had a clear structure. Industry terminated operations and adjacent diagonals became attractive for various companies, hotels and developers, who started to build. Thirty-storey houses with undefined environment, the structure is lost, chaos prevails. To preserve the character of the plan, the old and the newly formed buildings, became a clear definition of the school block. Definition of

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15

Wu, MeiMei. "Investigating the adoption of banking services delivered over remote channels : the case of Chinese Internet banking customers." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/9387.

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Customers adoption of Internet banking has become a widely-researched topic, although it is fair to state that some research gaps still exist. This research aims to fill some of the research gaps by examining the factors that determine the relevant behaviour of three different categories of Internet banking customers in China (i.e. current users, non-users, and discontinued users), and by developing two conceptual models that are derived from different, but complementary, theoretical approaches. The Decision Making Model and the Service and Relationship Evaluation Model are developed in this r

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16

Masson, Marine. "Contribution à la modélisation des préférences des consommateurs en fonction de dimensions sensorielles et subjectives par les modèles d'équations structurelles.Application aux préférences des sièges conducteurs de véhicules." Thesis, Paris, AgroParisTech, 2014. http://www.theses.fr/2014AGPT0015.

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En Analyse Sensorielle, les préférences des consommateurs sont généralement modélisées en fonction de données sensorielles par les méthodes de cartographie des préférences. L'objectif de cette thèse est de modéliser les préférences des consommateurs en intégrant, en plus des données sensorielles, de nouvelles variables relatives à leur perception des produits. Nous appellerons ces variables les dimensions subjectives. Elles recouvrent des dimensions pragmatiques liées à l'utilisation du produit et des dimensions plus symboliques telles que l'esthétisme, la modernité, l'originalité…Les probléma

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17

Slowik, Jiří. "Dopravně-urbanistické řešení Černé louky v Ostravě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265512.

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This work aims to create transport–urbanism study which will lead to the improvement of attractivity of the whole region, whether for permanent or migrant populations, converts the traffic so that the least interfere with visitors of the city center while retaining its good accessibility, supports the development of pedestrian and cycling routes in context of the surrounding area. Traffic-urban solution will work with the master plan of Ostrava city and also take into account results of performed architectural and urban design competitions of a city in the area of interest. Emphasis will be pl

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18

González, Rojas Victor Manuel. "Análisis conjunto de múltiples tablas de datos mixtos mediante PLS." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/284659.

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The fundamental content of this thesis corresponds to the development of the GNM-NIPALIS, GNM-PLS2 and GNM-RGCCA methods, used to quantify qualitative variables parting from the first k components given by the appropriate methods in the analysis of J matrices of mixed data. These methods denominated GNM-PLS (General Non Metric Partial Least Squares) are an extension of the NM-PLS methods that only take the first principal component in the quantification function. The transformation of the qualitative variables is done through optimization processes, usually maximizing functions of covariance

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19

Dutka, Tomáš. "Návrh udržitelné městské struktury - na bázi středověkého města - pro 21.století." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-443712.

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The assignment of diploma thesis was the design of a sustainable urban structure based on a medieval city in Náměšť nad Oslavou. As part of the work, I tried to find the best solution for this solved area, which is isolated by a railway corridor and suggest a new city district based on the principle of a medieval city, which will be linked to the existing city. The proposed development of city blocks is built on a system of platforms that level the terrain within the blocks and enable optimal parking spaces and the use of commercials. This development is complemented by several blocks with vil

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Knoebel, Nathan B. "Adaptive Quaternion Control for a Miniature Tailsitter UAV." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2092.pdf.

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21

Dittrich, Petr. "Odhad Letových Parametrů Malého Letounu." Doctoral thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2017. http://www.nusl.cz/ntk/nusl-412582.

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Tato práce je zaměřena na odhad letových parametrů malého letounu, konkrétně letounu Evektor SportStar RTC. Pro odhad letových parametrů jsou použity metody "Equation Error Method", "Output Error Method" a metody rekurzivních nejmenších čtverců. Práce je zaměřena na zkoumání charakteristik aerodynamických parametrů podélného pohybu a ověření, zda takto odhadnuté letové parametry odpovídají naměřeným datům a tudíž vytvářejí předpoklad pro realizaci dostatečně přesného modelu letadla. Odhadnuté letové parametry jsou dále porovnávány s a-priorními hodnotami získanými s využitím programů Tornado,

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22

Hage, Nohra. "Study of plactic monoids by rewriting methods." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSES065/document.

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Cette thèse est consacrée à l’étude des monoïdes plaxiques par une nouvelle approche utilisant des méthodes issues de la réécriture. Ces méthodes sont appliquées à des présentations de monoïdes plaxiques décrites en termes de tableaux de Young, de bases cristallines de Kashiwara et de modèle des chemins de Littelmann. On étudie le problème des syzygies pour la présentation de Knuth des monoïdes plaxiques. En utilisant la procédure de complétion homotopique basée sur les procédures de complétion de Squier et de Knuth–Bendix, on construit des présentations cohérentes de monoïdes plaxiques de typ

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23

Marková, Dominika. "Sportovně rekreační centrum Vsetín, Ohrada." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-443692.

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The assignment is an architecture and urban planning study of a sports and recreation center. The solved area is located in the town of Vsetín, in the part called Ohrada. Nowdays, the area is obsolete, unfunctional and also unmodern. My project is mainly focused to create a concept that responds to the environment, offers outdoor and indoor spaces for all generations. It allows better connection with nature, variable use, and division of area by function. The design is defined by the river Bečva on the west side and a busy 1st class road on the east side. It was important to separate pedestria

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Amritesh and Milan Singh. "Design of Square Patch Microstrip Antenna for Circular Polarization Using IE3D Software." Thesis, 2009. http://ethesis.nitrkl.ac.in/992/1/Complete_Thesis.pdf.

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Communication between humans was first by sound through voice. With the desire for slightly more distance communication came, devices such as drums, then, visual methods such as signal flags and smoke signals were used. These optical communication devices, of course, utilized the light portion of the electromagnetic spectrum. It has been only very recent in human history that the electromagnetic spectrum, outside the visible region, has been employed for communication, through the use of radio. One of humankind’s greatest natural resources is the electromagnetic spectrum and the antenna has be

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Hsu, Ming-Hung, and 徐銘鴻. "Compact Tri-Band and Dual-Polarized Antenna Design Using Mushroom-Like Structure and Square-Ring Patch Antenna." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/ucg936.

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碩士<br>國立交通大學<br>電信工程研究所<br>103<br>In this thesis, a compact tri-band and dual-polarized antenna, using a combination of mushroom-like structure and square-ring patch antenna is presented. This antenna can excite one linear polarization and two circular polarization. Mushroom-like structure is evolved from conventional mushroom structure for circular polarization by slotting slits along the diagonal direction of patch. This mushroom structure can be equivalent to composite right/left-handed transmission line model, and can realize dual-band and dual-polarized antenna that provides linear polari

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Chen, Kuo-Cheng, and 陳國丞. "The Perspective of Leaky Waves in a Corner-Fed Square Patch and a Periodic Microstrip with Anti-Symmetric Perturbations." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/60055115262330160698.

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博士<br>國立交通大學<br>電信工程系<br>90<br>The thesis mainly consists of three parts. In the first part, the author proposes a circuit-modeling perspective of leaky-mode leakages in a corner-fed square patch. The second part demonstrates a periodic microstrip radial antenna array with a conical beam. The radiation mechanisms of the antenna array are the leakages of the space harmonics. The first part chronicles the leaky-mode leakages in a corner-fed square patch. First, the measured peak RPA (relative power absorbed, 1-|S11|2-|S21|2) values of the two-port corner-fed square patch (two-port tes

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"Design and analysis of proximity coupling feeds for multi-layer patch antennas: T-square feed and its two variations." 2005. http://library.cuhk.edu.hk/record=b5892402.

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Lee Wai Ki.<br>Thesis submitted in: May 2004.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.<br>Includes bibliographical references (leaves 62-66).<br>Abstracts in English and Chinese.<br>Chapter Chapter 1: --- Introduction --- p.8<br>Chapter 1.1 --- Motivation --- p.8<br>Chapter 1.2 --- Organization of the thesis --- p.10<br>Chapter Chapter 2: --- Background Technology --- p.12<br>Chapter 2.1 --- Introduction: FUZZY EM CAD formula for impedance of the edge of the patch antenna --- p.12<br>Chapter 2.2 --- Fringe field extension of the patch: --- p.12<br>Chapter 2.2.1 --- App

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Hsu, Ting-Wei, and 許庭瑋. "Miniaturization of a Single-Feed Square Patch Antenna with Loop Slots on the Ground Plane for Switchable Circular Polarization." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/81421668994686226709.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>102<br>This thesis presents a miniaturization of single-feed reconfigurable antenna which is proposed to achieve circular polarization diversity for wireless communication systems. With the state of the diodes, that is ON state and OFF state, this miniaturized antenna radiates with either left hand circular polarization (LHCP) or right hand circular polarization. In order to achieve size reduction on the circularly polarized performance with single-feed structure, two shorting pins and wider square loops slots are incorporated into the square patch antenna. Since a

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Chen, Cheng-Yao, and 陳建堯. "Tool Path Planning for square-shaped planes." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/25987962682463041461.

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碩士<br>逢甲大學<br>機械工程學系<br>89<br>In this thesis, we present a cutter-feeding path planning for quadrilateral plane surface machining using a milling machine. Since the way of cutter feed impact the time and quality of machining, it is important to find an optimal cutter-feeding path. In the following discussion, regardless of the detail machining process, we assume that the shortest cutter -feeding path is optimal. We adopted the staircase technique in which the plane is first partitioned to many layers, then each layer is machined sequentially. The staircase machining had been success

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Wang, Sing-Ren, and 王星仁. "A Dual-Path Square FIFO in GasP." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/89097968341525515989.

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碩士<br>國立東華大學<br>資訊工程學系<br>96<br>With the advance of semiconductor technology, the challenges of VLSI circuit design is more and more severe. One of the most important issues is the system-on-chip design and fabrication. In addition to a successful chip depending on the reuse of silicon intellectual property design, it also requires linking the various IP blocks into the system. Hence, that inter-block information is transferred correctly becomes a focus of the design. There are many approaches to transferring information between different timing zones. For example, we can use clock suspension

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Costigliola, Francesco. "Partial Least Square – Path Modeling: metodologia, software e aplicação." Master's thesis, 2010. http://hdl.handle.net/10362/8818.

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Trabalho de Projeto apresentado como requisito parcial para obtenção do grau de Mestre em Estatística e Gestão de Informação<br>O trabalho proposto enquadra-se no âmbito da estatística computacional, tendo como objectivo primário o desenvolvimento de um software estatístico para a implementação do algoritmo PLS - PM (Partial Least Square - Path Modeling). O algoritmo foi programado na sua totalidade em SAS-IML (SAS - Interactive Matrix Language) e complementado com dois módulos de simulação para a estimação da signi cância dos parâmetros do modelo. O trabalho apresenta uma parte metodoló

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Lopes, Tiago Guia Ribeiro. "Alternative smoothing strategies in smooth partial least squares path modelling." Master's thesis, 2020. http://hdl.handle.net/10362/99737.

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Dissertation presented as the partial requirement for obtaining a Master's degree in Statistics and Information Management, specialization in Marketing Research e CRM<br>The assessment of nonlinear relationships in the context of Partial Least Squares Path Modelling (PLS-PM) has received a growing interest in recent years. One important contribution to this subject has been the work of Henseler, Fassot, Dijkstra and Wilson (2012) on the analysis of four different approaches to quadratic effects. The Smooth Partial Least Squares (PLSs) estimation technique studied in this work removes any

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Lourenço, Francisco de Sousa Gago Prata. "P-IRLS-PM : a new approach to non-linear formative consctructs." Master's thesis, 2019. http://hdl.handle.net/10362/71863.

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Dissertation presented as partial requirement for obtaining the Master’s degree in Information Management, with a specialization in Information Analysis and Management<br>The traditional approach to PLS-PM estimated the scores of the formative latent variables as exact linear combinations of their associated manifest variables, not allowing for modelling other relationships besides the linear ones. The present study intends to overcome this limitation, introducing the P-IRLS-PM. The P-IRLS-PM is a new approach to the variance based structural equations models, which intends to widen the spectr

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Rademaker, Manuel Elias. "Composite-based Structural Equation Modeling." Doctoral thesis, 2020. https://doi.org/10.25972/OPUS-21593.

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Structural equation modeling (SEM) has been used and developed for decades across various domains and research fields such as, among others, psychology, sociology, and business research. Although no unique definition exists, SEM is best understood as the entirety of a set of related theories, mathematical models, methods, algorithms, and terminologies related to analyzing the relationships between theoretical entities -- so-called concepts --, their statistical representations -- referred to as constructs --, and observables -- usually called indicators, items or manifest variables. This thesi

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(6591728), Rui Yan. "The Development of Image Processing Algorithms in Cryo-EM." Thesis, 2019.

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Cryo-electron microscopy (cryo-EM) has been established as the leading imaging technique for structural studies from small proteins to whole cells at a molecular level. The great advances in cryo-EM have led to the ability to provide unique insights into a wide variety of biological processes in a close to native, hydrated state at near-atomic resolutions. The developments of computational approaches have significantly contributed to the exciting achievements of cryo-EM. This dissertation emphasizes new approaches to address image processing problems in cryo-EM, including tilt series alignment

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