LISA Pathfinder Modelling

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis LISA Pathfinder Modelling by : Gonzalo Moreno Pousa

Download or read book LISA Pathfinder Modelling written by Gonzalo Moreno Pousa and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LISA (Laser Interferometer Space Antenna) is a joint project of ESA and NASA which consists in three spacecraft forming an equilateral triangle orbiting around Earth, and its goal is to detect gravitational waves. In order to test its feasibility on the outer space a precursor mission has been developed, the so-called LPF (LISA Pathfinder). LPF performs one arm of the LISA constellation and carries two payloads: the LTP (LISA Technology Package) and the DRS (Disturbance Reduction System). To simulate the entire system a Matlab toolbox, the so-called LTPDA (LTP Data Analysis toolbox), has been developed. LTPDA aims to model all the subsystems of the LTP before flight. The aim of this work is to measure the accuracy with which the LTPDA models the entire system, and to verify that the assumptions and the designs of the toolbox are within a good accuracy margin compared to traditional methods, which are slower but highly verified. Here we first perform an analysis of the FEEPS (Field Emission Electric Propulsion) and IFO (Interferometer) subsystems to check that our modelling method is correct. We have performed simulations both in the time and frequency domains using the LTPDA toolbox and the traditional method, namely the Laplace transfer function and the state space, and we then have compared the results. After that, we followed the same procedure but for the entire LTP system. The results obtained from those simulations demonstrate that, as expected, the LTPDA is a verified toolbox that not only can model and perform with high accuracy all the systems of the LPF, but also can do this with a significantly smaller computational load and in a more efficient way.

Experimental and Applied Mechanics, Volume 4

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Publisher : Springer Science & Business Media
ISBN 13 : 1461442265
Total Pages : 420 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Experimental and Applied Mechanics, Volume 4 by : Carlos E. Ventura

Download or read book Experimental and Applied Mechanics, Volume 4 written by Carlos E. Ventura and published by Springer Science & Business Media. This book was released on 2012-11-29 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental and Applied Mechanics, Volume 4: Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics, the fourth volume of seven from the Conference, brings together 54 contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Experimental and Applied Mechanics, including papers on: Fracture & Fatigue Microscale & Microstructural Effects in Fatigue & Fracture Material Applications Composite Characterization Using Digital Image Correlation Techniques Multi-Scale Simulation and Testing of Composites Residual Stress Inverse Problems/Hybrid Methods Nano-Composites Microstructure Material Characterization Modeling and Uncertainty Quantification Impact Behavior of Composites

Magnetic Diagnostics Algorithms for LISA Pathfinder: System Identification and Data Analysis

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ISBN 13 :
Total Pages : 211 pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Magnetic Diagnostics Algorithms for LISA Pathfinder: System Identification and Data Analysis by : Marc Díaz Aguiló

Download or read book Magnetic Diagnostics Algorithms for LISA Pathfinder: System Identification and Data Analysis written by Marc Díaz Aguiló and published by . This book was released on 2014 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: LISA (Laser Interferometer Space Antenna) és un missió espacial conjunta de l'ESA i la NASA, que serà el primer detector d'ones gravitacionals a l'espai. LISA consisteix en una constel·lació de tres satèl·lits situats als vèrtexs d'un triangle equilàter de 5 milions de quilòmetres de costat. La constel·lació orbitarà al voltant del Sol seguint la Terra a uns 20 graus. Cada un dels satèl·lits contindrà dues masses de prova, curosament protegides de pertorbacions externes com la pressió de la radiació solar, assegurant que estiguin en una caiguda lliure nominal en el camp gravitacional interplanetari. Les ones gravitacionals creen acceleracions diferencials entre el parell de masses de prova. Així doncs el principal objectiu de LISA és mesurar l'esmentada acceleració utilitzant interferometria làser. Les tecnologies necessàries per LISA són molt exigents. A més, la majoria d'elles no poden ser testejades a la Terra. Per tant, l'ESA va determinar la necessitat de llançar una missió precursora que actués com a demostrador tecnològic, aquesta missió és LISA Pathfinder (LPF). La seva càrrega útil és el LISA Technology Package (LTP) i serà el sensor geodèsic de més alta sensitivitat a l'espai. El LISA Technology Package està dissenyat per mesurar acceleracions diferencials entre dues masses de prova en caiguda lliure situades en un sol satèl·lit, reduint un dels braços de LISA des de 5 milions de quilòmetres fins a 35 cm. L'èxit de la missió suposaria la demostració de la maduresa de les tecnologies necessàries per LISA, com són el Optical Metrology System i el concepte Drag Free. La mesura de l'acceleració diferencial estarà afectada per certes pertorbacions com podrien ser les fluctuacions tèrmiques o els efectes magnètics a l'interior del satèl·lit. Aquestes pertorbacions són monitoritzades pel Subsistema de Diagnòstic. El Subsistema de Diagnòstic Magnètic és un dels seus mòduls i és un sistema crític, perquè el soroll magnètic representa un 40% del soroll total. Amb la finalitat d'estimar la contribució del soroll magnètic, el Subsistema de Diagnostic Magnètic ha de (1) estimar les propietats magnètiques de les masses de prova, i.e., el seu moment magnètic remanent i la seva susceptibilitat, i (2) estimar el camp magnètic i el seu gradient a la posició de les masses de prova. Així doncs, aquest subsistema integra dues bobines per generar camps magnètics a la posició de les masses. Aquests camps magnètics exciten la resposta dinàmica de les dues masses. Finalment, amb el processament de les excursions cinemàtiques proporcionades per l'interferòmetre podem estimar les característiques magnètiques amb una precisió de l'1%. D'altra banda, el Subsistema de Diagnòstic Magnètic també integra 4 magnetòmetres triaxials. No obstant, el camp magnètic i el seu gradient ha de ser mesurat a la posició de les masses de prova i les lectures dels magnetòmetres no estan situades en aquestes posicions. Per tant, cal implementar un sistema d'interpolació. Aquest problema presenta una dificultat especial perquè els magnetòmetres estan situats lluny de les masses de prova (més de 20 cm) i perquè només hi ha mesures magnètiques per realitzar una interpolació de primer ordre. Aquest mètode dóna resultats inacceptables, per tant en aquesta tesi presentem i validem un mètode d'interpolació alternatiu basat en xarxes neuronals. En demostrem la seva robustesa i exactitud en diferents casos i remarquem la importància de disposar d'una extensa campanya de tests magnètics. Sota aquests supòsits, estimem el camp magnètic i el seu gradient amb un error inferior al 10%. Finalment, l'estimat de la contribució del soroll magnètic en la mesura de l'acceleració diferencial de les dues masses de prova es pot determinar amb una exactitud del 15%. Aquest resultat suposa una millora de la qualitat d'estimació en un ordre de magnitud en comparació a estudis previs.

Dynamic Behavior of Materials, Volume 1

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Publisher : Springer Science & Business Media
ISBN 13 : 3319007718
Total Pages : 477 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Dynamic Behavior of Materials, Volume 1 by : Bo Song

Download or read book Dynamic Behavior of Materials, Volume 1 written by Bo Song and published by Springer Science & Business Media. This book was released on 2013-10-01 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Behavior of Materials, Volume 1: Proceedings of the 2013 Annual Conference on Experimental and Applied Mechanics, the first volume of eight from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Experimental Mechanics, including papers on: General Dynamic Material Properties Novel Dynamic Testing Techniques Dynamic Fracture and Failure Novel Testing Techniques Dynamic Behavior of Geo-materials Dynamic Behavior of Biological and Biomimetic Materials Dynamic Behavior of Composites and Multifunctional Materials Dynamic Behavior of Low-Impedance materials Multi-scale Modeling of Dynamic Behavior of Materials Quantitative Visualization of Dynamic Behavior of Materials Shock/Blast Loading of Materials

Ascending to Space

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Publisher : Springer Nature
ISBN 13 : 9819707145
Total Pages : 306 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Ascending to Space by : Maria A. Pozza

Download or read book Ascending to Space written by Maria A. Pozza and published by Springer Nature. This book was released on with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fourteenth Marcel Grossmann Meeting, The: On Recent Developments In Theoretical And Experimental General Relativity, Astrophysics, And Relativistic Field Theories - Proceedings Of The Mg14 Meeting On General Relativity (In 4 Parts)

Download Fourteenth Marcel Grossmann Meeting, The: On Recent Developments In Theoretical And Experimental General Relativity, Astrophysics, And Relativistic Field Theories - Proceedings Of The Mg14 Meeting On General Relativity (In 4 Parts) PDF Online Free

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Publisher : World Scientific
ISBN 13 : 9813226617
Total Pages : 4784 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Fourteenth Marcel Grossmann Meeting, The: On Recent Developments In Theoretical And Experimental General Relativity, Astrophysics, And Relativistic Field Theories - Proceedings Of The Mg14 Meeting On General Relativity (In 4 Parts) by : Massimo Bianchi

Download or read book Fourteenth Marcel Grossmann Meeting, The: On Recent Developments In Theoretical And Experimental General Relativity, Astrophysics, And Relativistic Field Theories - Proceedings Of The Mg14 Meeting On General Relativity (In 4 Parts) written by Massimo Bianchi and published by World Scientific. This book was released on 2017-10-13 with total page 4784 pages. Available in PDF, EPUB and Kindle. Book excerpt: The four volumes of the proceedings of MG14 give a broad view of all aspects of gravitational physics and astrophysics, from mathematical issues to recent observations and experiments. The scientific program of the meeting included 35 morning plenary talks over 6 days, 6 evening popular talks and 100 parallel sessions on 84 topics over 4 afternoons.Volume A contains plenary and review talks ranging from the mathematical foundations of classical and quantum gravitational theories including recent developments in string theory, to precision tests of general relativity including progress towards the detection of gravitational waves, and from supernova cosmology to relativistic astrophysics, including topics such as gamma ray bursts, black hole physics both in our galaxy and in active galactic nuclei in other galaxies, and neutron star, pulsar and white dwarf astrophysics.The remaining volumes include parallel sessions which touch on dark matter, neutrinos, X-ray sources, astrophysical black holes, neutron stars, white dwarfs, binary systems, radiative transfer, accretion disks, quasars, gamma ray bursts, supernovas, alternative gravitational theories, perturbations of collapsed objects, analog models, black hole thermodynamics, numerical relativity, gravitational lensing, large scale structure, observational cosmology, early universe models and cosmic microwave background anisotropies, inhomogeneous cosmology, inflation, global structure, singularities, chaos, Einstein-Maxwell systems, wormholes, exact solutions of Einstein's equations, gravitational waves, gravitational wave detectors and data analysis, precision gravitational measurements, quantum gravity and loop quantum gravity, quantum cosmology, strings and branes, self-gravitating systems, gamma ray astronomy, cosmic rays and the history of general relativity.

Thermo-optical and Thermo-elastic Effects Onboard the LISA Pathfinder Mission

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Publisher :
ISBN 13 : 9788449091018
Total Pages : 205 pages
Book Rating : 4.0/5 (91 download)

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Book Synopsis Thermo-optical and Thermo-elastic Effects Onboard the LISA Pathfinder Mission by : Francisco Rivas García

Download or read book Thermo-optical and Thermo-elastic Effects Onboard the LISA Pathfinder Mission written by Francisco Rivas García and published by . This book was released on 2019 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vegeu resum frg1de2.pdf i resum frg2de2.pdf i.

From Quantum To Cosmos: Fundamental Physics Research In Space

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Publisher : World Scientific
ISBN 13 : 9814468444
Total Pages : 764 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis From Quantum To Cosmos: Fundamental Physics Research In Space by : Slava G Turyshev

Download or read book From Quantum To Cosmos: Fundamental Physics Research In Space written by Slava G Turyshev and published by World Scientific. This book was released on 2009-05-21 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space-based laboratory research in fundamental physics is an emerging research discipline that offers great discovery potential and at the same time could drive the development of technological advances which are likely to be important to scientists and technologists in many other different research fields. The articles in this review volume have been contributed by participants of the international workshop “From Quantum to Cosmos: Fundamental Physics Research in Space” held at the Airlie Center in Warrenton, Virginia, USA, on May 21-24, 2006. This unique volume discusses the advances in our understanding of fundamental physics that are anticipated in the near future, and evaluates the discovery potential of a number of recently proposed space-based gravitational experiments. Specific research areas covered include various tests of general relativity and alternative theories, search of physics beyond the Standard Model, investigations of possible violations of the equivalence principle, search for new hypothetical long- and short-range forces, variations of fundamental constants, tests of Lorentz invariance and attempts at unification of the fundamental interactions. The book also encompasses experiments aimed at the discovery of novel phenomena, including dark matter candidates, and studies of dark energy.

Understanding Gravitational Waves

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Publisher : Springer Nature
ISBN 13 : 3030742075
Total Pages : 422 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Understanding Gravitational Waves by : C. R. Kitchin

Download or read book Understanding Gravitational Waves written by C. R. Kitchin and published by Springer Nature. This book was released on 2021-09-23 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: The birth of a completely new branch of observational astronomy is a rare and exciting occurrence. For a long time, our theories about gravitational waves—proposed by Albert Einstein and others more than a hundred years ago—could never be fully proven, since we lacked the proper technology to do it. That all changed when, on September 14, 2015, instruments at the LIGO Observatory detected gravitational waves for the first time. This book explores the nature of gravitational waves—what they are, where they come from, why they are so significant and why nobody could prove they existed before now. Written in plain language and interspersed with additional explanatory tutorials, it will appeal to lay readers, science enthusiasts, physical science students, amateur astronomers and to professional scientists and astronomers.

One Hundred Years Of General Relativity: From Genesis And Empirical Foundations To Gravitational Waves, Cosmology And Quantum Gravity - Volume 1

Download One Hundred Years Of General Relativity: From Genesis And Empirical Foundations To Gravitational Waves, Cosmology And Quantum Gravity - Volume 1 PDF Online Free

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Publisher : World Scientific
ISBN 13 : 9814635146
Total Pages : 720 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis One Hundred Years Of General Relativity: From Genesis And Empirical Foundations To Gravitational Waves, Cosmology And Quantum Gravity - Volume 1 by : Wei-tou Ni

Download or read book One Hundred Years Of General Relativity: From Genesis And Empirical Foundations To Gravitational Waves, Cosmology And Quantum Gravity - Volume 1 written by Wei-tou Ni and published by World Scientific. This book was released on 2017-05-26 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this two-volume title is to give a comprehensive review of one hundred years of development of general relativity and its scientific influences. This unique title provides a broad introduction and review to the fascinating and profound subject of general relativity, its historical development, its important theoretical consequences, gravitational wave detection and applications to astrophysics and cosmology. The series focuses on five aspects of the theory: The first three topics are covered in Volume 1 and the remaining two are covered in Volume 2. While this is a two-volume title, it is designed so that each volume can be a standalone reference volume for the related topic.

Space Operations: Inspiring Humankind's Future

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Publisher : Springer
ISBN 13 : 3030115364
Total Pages : 852 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Space Operations: Inspiring Humankind's Future by : Helene Pasquier

Download or read book Space Operations: Inspiring Humankind's Future written by Helene Pasquier and published by Springer. This book was released on 2019-05-03 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes a selection of 30 reviewed and enhanced manuscripts published during the 15th SpaceOps Conference held in May 2018 in Marseille, France. The selection was driven by their quality and relevance to the space operations community. The papers represent a cross-section of three main subject areas: Mission Management – management tasks for designing, preparing and operating a particular mission Spacecraft Operations – preparation and implementation of all activities to operate a space vehicle (crewed and uncrewed) under all conditions Ground Operations – preparation, qualification, and operations of a mission dedicated ground segment and appropriate infrastructure including antennas, control centers, and communication means and interfaces This book promotes the SpaceOps Committee’s mission to foster the technical interchange on all aspects of space mission operations and ground data systems while promoting and maintaining an international community of space operations experts.

Lepton Photon Interactions At High Energies (Lepton Photon 2017) - Proceedings Of The 28th International Symposium

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Publisher : World Scientific
ISBN 13 : 9811207410
Total Pages : 576 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Lepton Photon Interactions At High Energies (Lepton Photon 2017) - Proceedings Of The 28th International Symposium by : Wang Wei

Download or read book Lepton Photon Interactions At High Energies (Lepton Photon 2017) - Proceedings Of The 28th International Symposium written by Wang Wei and published by World Scientific. This book was released on 2020-02-27 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: The latest of the 'Lepton Photon' symposium, one of the well-established series of meetings in the high-energy physics community, was successfully organized at the South Campus of Sun Yat-sen University, Guangzhou, China, from August 7-12, 2017, where physicists around the world gathered to discuss the latest advancements in the research field.This proceedings volume of the Lepton Photon 2017 collects contributions by the plenary session speakers and the posters' presenters, which cover the latest results in particle physics, nuclear physics, astrophysics, cosmology, and plans for future facilities.

Ripples in Spacetime

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Publisher : Harvard University Press
ISBN 13 : 0674971663
Total Pages : 353 pages
Book Rating : 4.6/5 (749 download)

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Book Synopsis Ripples in Spacetime by : Govert Schilling

Download or read book Ripples in Spacetime written by Govert Schilling and published by Harvard University Press. This book was released on 2017-07-31 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: A spacetime appetizer -- Relatively speaking -- Einstein on trial -- Wave talk and bar fights -- The lives of stars -- Clockwork precision -- Laser quest -- The path to perfection -- Creation stories -- Cold case -- Gotcha -- Black magic -- Nanoscience -- Follow-up questions -- Space invaders -- Surf's up for Einstein wave astronomy

Applications of General Relativity

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Publisher : Springer Nature
ISBN 13 : 3030957187
Total Pages : 203 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Applications of General Relativity by : Philippe Jetzer

Download or read book Applications of General Relativity written by Philippe Jetzer and published by Springer Nature. This book was released on 2022-03-11 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this textbook is to present in a comprehensive way several advanced topics of general relativity, including gravitational waves, tests of general relativity, time delay, spinors in curved spacetime, Hawking radiation, and geodetic precession to mention a few. These are all important topics in today's research activities from both a theoretical and experimental point of view. This textbook is designed for advanced undergraduate and graduate students to strengthen the knowledge acquired during the core courses on General Relativity. The author developed the book from a series of yearly lectures with the intention of offering a gentle introduction to the field. This book helps understanding the more specialized literature and can be used as a first reading to get quickly into the field when starting research. Chapter-end exercises complete the learning material to master key concepts.

Overview Of Gravitational Waves, An: Theory, Sources And Detection

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Publisher : World Scientific
ISBN 13 : 9813141778
Total Pages : 326 pages
Book Rating : 4.8/5 (131 download)

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Book Synopsis Overview Of Gravitational Waves, An: Theory, Sources And Detection by : Gerard Auger

Download or read book Overview Of Gravitational Waves, An: Theory, Sources And Detection written by Gerard Auger and published by World Scientific. This book was released on 2017-02-15 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes detection techniques used to search for and analyze gravitational waves (GW). It covers the whole domain of GW science, starting from the theory and ending with the experimental techniques (both present and future) used to detect them.The theoretical sections of the book address the theory of general relativity and of GW, followed by the theory of GW detection. The various sources of GW are described as well as the methods used to analyse them and to extract their physical parameters. It includes an analysis of the consequences of GW observations in terms of astrophysics as well as a description of the different detectors that exist and that are planned for the future.With the recent announcement of GW detection and the first results from LISA Pathfinder, this book will allow non-specialists to understand the present status of the field and the future of gravitational wave science.

Space Operations: Contributions from the Global Community

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Publisher : Springer
ISBN 13 : 3319519417
Total Pages : 725 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Space Operations: Contributions from the Global Community by : Craig Cruzen

Download or read book Space Operations: Contributions from the Global Community written by Craig Cruzen and published by Springer. This book was released on 2017-03-30 with total page 725 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes a selection of 30 reviewed and enhanced manuscripts published during the 14th SpaceOps Conference held in May 2016 in Daejeon, South Korea. The selection was driven by their quality and relevance to the space operations community. The papers represent a cross-section of three main subject areas: · Mission Management – management tasks for designing, preparing and operating a particular mission. · Spacecraft Operations – preparation and implementation of all activities to operate a space vehicle (crewed and uncrewed) under all conditions. · Ground Operations – preparation, qualification, and operations of a mission dedicated ground segment and appropriate infrastructure including antennas, control centers, and communication means and interfaces. This book promotes the SpaceOps Committee’s mission to foster the technical interchange on all aspects of space mission operations and ground data systems while promoting and maintaining an international community of space operations experts.

Multiple Messengers and Challenges in Astroparticle Physics

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Publisher : Springer
ISBN 13 : 331965425X
Total Pages : 554 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Multiple Messengers and Challenges in Astroparticle Physics by : Roberto Aloisio

Download or read book Multiple Messengers and Challenges in Astroparticle Physics written by Roberto Aloisio and published by Springer. This book was released on 2018-02-27 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, designed as a tool for young researchers and graduate students, reviews the main open problems and research lines in various fields of astroparticle physics: cosmic rays, gamma rays, neutrinos, cosmology, and gravitational physics. The opening section discusses cosmic rays of both galactic and extragalactic origin, examining experimental results, theoretical models, and possible future developments. The basics of gamma-ray astronomy are then described, including the detection methods and techniques. Galactic and extragalactic aspects of the field are addressed in the light of recent discoveries with space-borne and ground-based detectors. The review of neutrinos outlines the status of the investigations of neutrino radiation and brings together relevant formulae, estimations, and background information. Three complementary issues in cosmology are examined: observable predictions of inflation in the early universe, effects of dark energy/modified gravity in the large-scale structure of the universe, and neutrinos in cosmology and large-scale structures. The closing section on gravitational physics reviews issues relating to quantum gravity, atomic precision tests, space-based experiments, the strong field regime, gravitational waves, multi-messengers, and alternative theories of gravity.