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Relevant bibliographies by topics / Secant Linear System / Dissertations / Theses

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Dissertations / Theses on the topic 'Secant Linear System'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Abuhamdia, Tariq Maysarah. "Wavelets Based on Second Order Linear Time Invariant Systems, Theory and Applications." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/85439.

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This study introduces new families of wavelets. The first is directly derived from the response of Second Order Underdamped Linear-Time-Invariant (SOULTI) systems, while the second is a generalization of the first to the complex domain and is similar to the Laplace transform kernel function. The first takes the acronym of SOULTI wavelet, while the second is named the Laplace wavelet. The most important criteria for a function or signal to be a wavelet is the ability to recover the original signal back from its continuous wavelet transform. It is shown that it is possible to recover back the or

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2

Bruschetta, Mattia. "A variational integrators approach to second order modeling and identification of linear mechanical systems." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3421654.

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The identication of linear second order models of mechanical systems has been object of intensive research and of several papers in the last decades. In this thesis the interest is focused on mechanical systems which can be described by the classical second order vector model defined by the generalized stiffness K, damping D, and inerzia M. All current identication techniques operate in discrete time. Noisy data obtained by sampling the system must be used to stimate the continuous time physical parameters M;K and D. Since identication operates in discrete time one needs to convert the discre

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3

Dzacka, Charles Nunya. "A Variation of the Carleman Embedding Method for Second Order Systems." Digital Commons @ East Tennessee State University, 2009. https://dc.etsu.edu/etd/1877.

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The Carleman Embedding is a method that allows us to embed a finite dimensional system of nonlinear differential equations into a system of infinite dimensional linear differential equations. This technique works well when dealing with first-order nonlinear differential equations. However, for higher order nonlinear ordinary differential equations, it is difficult to use the Carleman Embedding method. This project will examine the Carleman Embedding and a variation of the method which is very convenient in applying to second order systems of nonlinear equations.

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4

Scheunert, Christian. "Über die Modellierung und Simulation zufälliger Phasenfluktuationen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-64272.

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Nachrichtentechnische Systeme werden stets durch unvermeidbare zufällige Störungen beeinflußt. Neben anderen Komponenten sind davon besonders Oszillatoren betroffen. Die durch die Störungen verursachten zufälligen Schwankungen in der Oszillatorausgabe können als Amplituden- und Phasenabweichungen modelliert werden. Dabei zeigt sich, daß vor allem zufällige Phasenfluktuationen von Bedeutung sind. Zufällige Phasenfluktuationen können unter Verwendung stochastischer Prozesse zweiter Ordnung mit kurzem oder langem Gedächtnis modelliert werden. Inhalt der Dissertation ist die Herleitung eines Verf

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5

Bernstein, David. "Entwurf einer fehlerüberwachten Modellreduktion basierend auf Krylov-Unterraumverfahren und Anwendung auf ein strukturmechanisches Modell." Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-151975.

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Die FEM-MKS-Kopplung erfordert Modellordnungsreduktions-Verfahren, die mit kleiner reduzierter Systemdimension das Übertragungsverhalten mechanischer Strukturen abbilden. Rationale Krylov-Unterraum-Verfahren, basierend auf dem Arnoldi-Algorithmen, ermöglichen solche Abbildungen in frei wählbaren, breiten Frequenzbereichen. Ziel ist der Entwurf einer fehlerüberwachten Modelreduktion auf Basis von Krylov-Unterraumverfahren und Anwendung auf ein strukturmechanisches Model. Auf Grundlage der Software MORPACK wird eine Arnoldi-Funktion erster Ordnung um interpolativen Startvektor, Eliminierung der

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6

Tahoumi, Elias. "New robust control schemes linking linear and sliding mode approaches." Thesis, Ecole centrale de Nantes, 2019. http://www.theses.fr/2019ECDN0056.

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Ce travail de thèse porte sur la conception des lois de commande pour des systèmes non linéaires, incertains et perturbés; ces lois de commande sont basées à la fois sur des approches par mode glissant, et sur des techniques linéaires. Les commandes par mode glissant (notamment d’ordre supérieur) sont connues pour leur robustesse face aux perturbations et incertitudes ainsi que pour leurs performances en terme de précision. Cependant, elles sont énergivores. Le retour d’état linéaire est connu pour être une commande lisse et à faible consommation d’énergie, mais il est très sensible aux pertur

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7

Rocha, Eugénio Alexandre Miguel. "Uma Abordagem Algébrica à Teoria de Controlo Não Linear." Doctoral thesis, Universidade de Aveiro, 2003. http://hdl.handle.net/10773/21444.

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Doutoramento em Matemática<br>Nesta tese de Doutoramento desenvolve-se principalmente uma abordagem algébrica à teoria de sistemas de controlo não lineares. No entanto, outros tópicos são também estudados. Os tópicos tratados são os seguidamente enunciados: fórmulas para sistemas de controlo sobre álgebras de Lie livres, estabilidade de um sistema de corpos rolantes, algoritmos para aritmética digital, e equações integrais de Fredholm não lineares. No primeiro e principal tópico estudam-se representações para as soluções de sistemas de controlo lineares no controlo. As suas trajetórias

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8

Kim, Jae-Hak, and Jae-Hak Kim@anu edu au. "Camera Motion Estimation for Multi-Camera Systems." The Australian National University. Research School of Information Sciences and Engineering, 2008. http://thesis.anu.edu.au./public/adt-ANU20081211.011120.

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The estimation of motion of multi-camera systems is one of the most important tasks in computer vision research. Recently, some issues have been raised about general camera models and multi-camera systems. Using many cameras as a single camera is studied [60], and the epipolar geometry constraints of general camera models is theoretically derived. Methods for calibration, including a self-calibration method for general camera models, are studied [78, 62]. Multi-camera systems are an example of practically implementable general camera models and they are widely used in many applications nowaday

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9

Baskar, Ashish Guhan, and Araavind Sridhar. "Short Term Regulation in Hydropower Plants using Batteries : A case study of hydropower pants in lower Oreälven river." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289407.

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Hydropower is one of the oldest renewable energy (RE) sources and constitutes a major share in the Swedish electricity mix. Though hydropower is renewable, there exist some issues pertaining to the local aquatic conditions. With more environmental laws being implemented, regulating the use and management of water is jeopardizing the flexibility of hydropower plants. The decided national plan for new environmental conditions in Sweden is expected to start being implemented in 2025 and more restrictions are expected. Analysing a battery energy storage system's capabilities plants may improve fle

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10

Lin, Hsiao-Hsuan, and 林筱旋. "Secret Sharing by Linear Systems." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/71262958583303593109.

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碩士<br>臺北市立教育大學<br>資訊科學系碩士班<br>99<br>Secret sharing is an elegant approach for safeguarding information. Since the first schemes invented by Shamir and Blakley independently in 1979, the research of secret sharing has attracted much attention. Skills including polynomial interpolation by Shamir, finite geometries by Blakley and combinatorial designs by Schellenberg and Stinson (1989), to name a few, are so classical that inspire many researchers in this research area. In this thesis, we intend to explore the feasibilities of the constructions of secret sharing schemes in threshold and general a

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11

Teng, Cong. "Model reduction of second order linear dynamical systems." Thesis, 2005. http://hdl.handle.net/1911/18821.

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In this thesis, we propose several algorithms for model reduction of second order dynamical systems. These various projection methods are based on singular value decomposition, Krylov projection, and balanced truncation. In many cases models are given in second order form, and the goal is to produce a reduced order system which is in second order form, gives an accurate approximation of the original system, and maintains some important properties such as stability and passivity. Model reduction on first order linear time invariant dynamical systems has been extensively studied, algorithms and

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12

Fong-chin, Cheng, and 鄭鳳卿. "The Optimal Step Response for Linear Second-Order Nonminimum Phase Systems." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/74921387594009599318.

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碩士<br>國立雲林科技大學<br>電機工程技術研究所<br>86<br>This thesis designs an optimal damping ratio for linear second-order nonminimum phase systems, such that the response satisfies the appointed maximum or no undershoot and no overshoot in minimum time for step inputs. The optimal damping ratio is divided into three sections. In the beginning the optimal damping ratio is chosen bigger than one for some appointed maximum undershoot or approached infinite value for no undershoot. Secondly, let the damping ratio to zero when the response reach to maximum undershoot. Finally damping ratio is set to some maximum v

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13

Huang, Nuan-Ya, and 黃暖雅. "Advanced Linear Accelerator System for Generation of Femto-second Electron Beam toward Intense Radiation Sources." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/99144592754800413266.

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博士<br>國立清華大學<br>光電工程研究所<br>101<br>Intense relativistic electron beam having very short bunch length of a hundred femtoseconds or less is the key for many advanced applications such as free electron laser, Compton scattered x-ray, and coherent terahertz radiation. A radio frequency (rf) gun that adopts the thermionic cathode as the electron source is with the capability to produce multi-bunched electron beam stably. Nevertheless, the study of thermionic rf gun linac system has not been well invstigated so far. In this study, we intend to explore the potential ability of a thermionic cathode rf

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14

Pei, Yuk Kong, and 費毓港. "On some eigenvalue problems of Jacobi matrices and selfadjoint second order linear differential systems with Jacobi matrix- valued coefficients." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/41007336024216030664.

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15

Scheunert, Christian. "Über die Modellierung und Simulation zufälliger Phasenfluktuationen." Doctoral thesis, 2009. https://tud.qucosa.de/id/qucosa%3A25481.

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Abstract:

Nachrichtentechnische Systeme werden stets durch unvermeidbare zufällige Störungen beeinflußt. Neben anderen Komponenten sind davon besonders Oszillatoren betroffen. Die durch die Störungen verursachten zufälligen Schwankungen in der Oszillatorausgabe können als Amplituden- und Phasenabweichungen modelliert werden. Dabei zeigt sich, daß vor allem zufällige Phasenfluktuationen von Bedeutung sind. Zufällige Phasenfluktuationen können unter Verwendung stochastischer Prozesse zweiter Ordnung mit kurzem oder langem Gedächtnis modelliert werden. Inhalt der Dissertation ist die Herleitung eines Verf

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16

Kim, Jae-Hak. "Camera Motion Estimation for Multi-Camera Systems." Phd thesis, 2008. http://hdl.handle.net/1885/49364.

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Abstract:

The estimation of motion of multi-camera systems is one of the most important tasks in computer vision research. Recently, some issues have been raised about general camera models and multi-camera systems. Using many cameras as a single camera is studied [60], and the epipolar geometry constraints of general camera models is theoretically derived. Methods for calibration, including a self-calibration method for general camera models, are studied [78, 62]. Multi-camera systems are an example of practically implementable general camera models and they are widely used in many applications nowaday

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17

Pal, Madhumita. "Accurate and Efficient Algorithms for Star Sensor Based Micro-Satellite Attitude and Attitude Rate Estimation." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3428.

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This dissertation addresses novel techniques in determining gyroless micro-satellite attitude and attitude rate. The main objective of this thesis is to explore the possibility of using commercially available low cost micro-light star sensor as a stand-alone sensor for micro-satellite attitude as well as attitude rate determination. The objective is achieved by developing accurate and computationally efficient algorithms for the realization of onboard operation of a low fidelity star sensor. All the algorithms developed here are tested with the measurement noise presented in the catalog of the

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18

Pal, Madhumita. "Accurate and Efficient Algorithms for Star Sensor Based Micro-Satellite Attitude and Attitude Rate Estimation." Thesis, 2013. http://etd.iisc.ernet.in/2005/3428.

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This dissertation addresses novel techniques in determining gyroless micro-satellite attitude and attitude rate. The main objective of this thesis is to explore the possibility of using commercially available low cost micro-light star sensor as a stand-alone sensor for micro-satellite attitude as well as attitude rate determination. The objective is achieved by developing accurate and computationally efficient algorithms for the realization of onboard operation of a low fidelity star sensor. All the algorithms developed here are tested with the measurement noise presented in the catalog of the

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