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Relevant bibliographies by topics / Large scale oscillations

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Dissertations / Theses

Academic literature on the topic 'Large scale oscillations'

Author: Grafiati

Published: 6 September 2023

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Dissertations / Theses on the topic "Large scale oscillations"

1

Xu, Xiaoying. "Robust Measurement of the Cosmic Distance Scale Using Baryon Acoustic Oscillations." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/241935.

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We present techniques for obtaining precision distance measurements using the baryon acoustic oscillations (BAO) through controlling systematics and reducing statistical uncertainties. Using the resulting distance-redshift relation, we can infer cosmological parameters such as w, the equation of state of dark energy. We introduce a new statistic, ɷ(l)(r(s)), for BAO analysis that affords better control over systematics. It is computed by band-filtering the power spectrum P(k) or the correlation function ξ(r) to extract the BAO signal. This is conducive to several favourable outcomes. We comput

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2

Seo, Hee-Jong. "High-Precision Large-Scale Structure: The Baryon Acoustic Oscillations and Passive Flow." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/194697.

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We present a precision study of large-scale structure from large galaxy redshift surveys. We focus on two main subjects of large-scale structure: precisioncosmology with baryon acoustic oscillations from large galaxy surveys and the evolution of galaxy clustering for passively flowing galaxies.The baryon acoustic oscillations in galaxy redshift surveys can serve as an efficient standard ruler to measure the cosmological distance scale, i.e., theangular diameter distances and Hubble parameters, as a function of redshift, and therefore dark energy parameters. We use a Fisher matrix formalism to

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3

Shi, Guangyu. "Nonlinear static and dynamic analyses of large-scale lattice-type structures and nonlinear active control by piezo actuators." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/19176.

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4

Comparat, Johan. "Baryonic acoustic oscillations with emission line galaxies at intermediate redshift : the large-scale structure of the universe." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4720/document.

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J'ai démontrer la faisabilité de la sélection de la cible pour les galaxies en ligne des émissions lumineuses. Je comprends maintenant les principaux mécanismes physiques de conduite de l'efficacité d'une sélection, en particulier le rapport à la photométrie de parent. Une question reste perplexe, je ne pouvais pas encore estimer quantitativement l'impact de la poussière sur l'efficacité de la sélection. J'espère que d'aborder cette question avec l'ensemble des données décrites dans le chapitre 4.En dehors de la ligne de sélection de la cible de la galaxie d'émission, j'ai étudié, au premier o

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Molina, Diogenes. "Intelligent control and system aggregation techniques for improving rotor-angle stability of large-scale power systems." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50291.

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A variety of factors such as increasing electrical energy demand, slow expansion of transmission infrastructures, and electric energy market deregulation, are forcing utilities and system operators to operate power systems closer to their design limits. Operating under stressed regimes can have a detrimental effect on the rotor-angle stability of the system. This stability reduction is often reflected by the emergence or worsening of poorly damped low-frequency electromechanical oscillations. Without appropriate measures these can lead to costly blackouts. To guarantee system security, operato

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6

Bautista, Julian Ernesto. "Baryon acoustic oscillations in the large scale structures of the universe as seen by the Sloan Digital Sky Survey." Paris 7, 2014. http://www.theses.fr/2014PA077132.

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Ce manuscrit décrit la mesure des oscillations acoustiques des baryons (BAO) en utilisant des forêts Lyman-alpha et des galaxies, et son interprétation cosmologique. Entre 2011 et 2014, le télescope du Sloan Digital Sky Survey III a observé le spectre de plus de 1,3 millions de galaxies et plus de 150 000 quasars lointains dans le cadre du projet Baryon Oscillation Spectroscopic Survey (BOSS), en visant la mesure la plus précise des BAO dans la distribution de matière à grande échelle. Nous décrivons l'analyse des donnés, l'interprétation cosmologique et des tests avec des données simulées. No

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7

Ding, Zhejie. "Systematics Study and Detection of Baryon Acoustic Oscillations from Future Galaxy Survey and Weak Lensing Survey." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1554330484538948.

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8

Arico, Giovanni. "Testing the methods to reconstruct and model the Baryonic Acoustic Oscillations of different tracers using N-body simulations." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13167/.

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The accelerated expansion of the Universe and the nature of the Dark Energy are still open questions in cosmology. One of the most powerful ways to investigate these issues is to map the large-scale structure of the Universe, to constrain its expansion history and growth of structures. In particular, baryon acoustic oscillations (BAO) occurred at recombination make a peak in the correlation function of galaxies at the characteristic scale of the sound horizon (a sufficiently large scale to “protect” the signal from strong non-linearities), or alternatively a series of oscillations in the powe

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9

Disotell, Kevin James. "Low-Frequency Flow Oscillations on Stalled Wings Exhibiting Cellular Separation Topology." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449162356.

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10

Pockberger, Moritz [Verfasser]. "Abiotic and biotic impacts on fish in the Wadden Sea - evaluating the effect of large scale climate oscillations, local ecosystem characteristics and invasive species / Moritz Pockberger." Kiel : Universitätsbibliothek Kiel, 2016. http://d-nb.info/1094661953/34.

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