IERS Conventions (2003) PDF Download
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Author: Dennis D. McCarthy
Publisher:
ISBN:
Category :
Languages : en
Pages : 127
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Book Description
Author: Dennis D. McCarthy
Publisher:
ISBN:
Category :
Languages : en
Pages : 127
Get Book Here
Book Description
Author: International Earth Rotation and Reference Systems Services
Publisher:
ISBN: 9783898888844
Category : Astronomical constants
Languages : en
Pages : 127
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Book Description
Author: Gérard Pétit
Publisher:
ISBN:
Category : Celestial reference systems
Languages : en
Pages : 2919
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Book Description
The IERS main products are the celestial and terrestrial reference frames, ICRF and ITRF, and the set of Earth orientation parameters to transform between them. Because several independent techniques are used to generate the ITRF, its quality strongly depends on using a consistent and complete set of models and procedures in the realization. The IERS Conventions are designed to provide these, and successive reference editions have been produced, the latest in 2003. However, since that time, the document has been continually updated in an electronic version available at http://tai.bipm.org/iers/convupdt/convupdt.html. Following an IERS workshop on Conventions, held in September 2007, it was decided to produce a new reference edition of the Conventions, which is now reaching completion. The paper will present the main features of the new reference edition, highlighting the most important changes vs. the Conventions (2003): Define classes of models and specify guidelines to choose which models should be applied for IERS core products; Implement the latest recommendations of scientific unions and the conclusions of the unions working groups and commissions; Describe the latest realizations of the ICRS and the ITRS and an updated model for the transformation between them; Describe updated conventional models for the gravitational field and for the effect of ocean tides; Describe updated or new conventional models for signal propagation in the troposphere and ionosphere; Describe new models for atmospheric tidal loading and the oceanic pole tide loading.
Author: Ian F. Corbett
Publisher: Cambridge University Press
ISBN: 9780521768313
Category : Science
Languages : en
Pages : 548
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Book Description
A complete record of the formal organisational and administrative proceedings of the XXVII General Assembly of the International Astronomical Union.
Author: International Astronomical Union. Symposium
Publisher: Cambridge University Press
ISBN: 9780521764810
Category : Science
Languages : en
Pages : 464
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Book Description
IAU S261 summarizes the present state of applied relativity, and discusses the applications and future tests of general relativity.
Author: Oddbjorn Engvold
Publisher: Cambridge University Press
ISBN: 9780521856041
Category : Science
Languages : en
Pages : 416
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Book Description
Transactions XXVIA of the International Astronomical Union (IAU) provides a comprehensive and authoritative review of what has been achieved in astronomy during the years 2003 to 2005. The insightful and up-to-date reviews are written by the Presidents and Chairpersons of the IAU's different Divisions, Commissions and Working Groups and each focuses on a different subject area. Topics covered in this wide-ranging volume include: fundamental astronomy; the Sun and heliosphere; planetary systems sciences; stars; variable stars; interstellar matter; the Galactic system; galaxies and the Universe; optical and infrared techniques; radio astronomy; space and high energy astrophysics; and other IAU activities. The reviews are written at a level suitable for colleagues in the same field, but they will also be useful for students and researchers wishing to gain an overview beyond their own research area.
Author: Zuheir Altamimi
Publisher: Springer Science & Business Media
ISBN: 3642329985
Category : Science
Languages : en
Pages : 276
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Book Description
Reference systems and frames are of primary importance for many Earth science applications, satellite navigation as well as for practical applications in geo-information. A precisely defined reference frame is needed for the quantification of, e.g. Earth rotation and its gravity field, global and regional sea level variation, tectonic motion and deformation, post-glacial rebound, geocenter motion, large scale deformation due to Earthquakes, local subsidence and other ruptures and crustal dislocations. All of these important scientific applications fundamentally depend on a truly global reference system that only space geodesy can realize. This volume details the proceedigns of the IAG Symposium REFAG2010 (Marne la Vallée, France, October 4-8, 2010) The primary scope of REFAG2010 was to address today’s achievements on theoretical concepts of reference systems and their practical implementations by individual space geodetic techniques and their combinations, underlying limiting factors, systematic errors and novel approaches for future improvements.
Author: Michael Soffel
Publisher: Springer Science & Business Media
ISBN: 3642302254
Category : Science
Languages : en
Pages : 321
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Book Description
The high accuracy of modern astronomical spatial-temporal reference systems has made them considerably complex. This book offers a comprehensive overview of such systems. It begins with a discussion of ‘The Problem of Time’, including recent developments in the art of clock making (e.g., optical clocks) and various time scales. The authors address the definitions and realization of spatial coordinates by reference to remote celestial objects such as quasars. After an extensive treatment of classical equinox-based coordinates, new paradigms for setting up a celestial reference system are introduced that no longer refer to the translational and rotational motion of the Earth. The role of relativity in the definition and realization of such systems is clarified. The topics presented in this book are complemented by exercises (with solutions). The authors offer a series of files, written in Maple, a standard computer algebra system, to help readers get a feel for the various models and orders of magnitude. Beyond astrometry, the main fields of application of high-precision astronomical spatial-temporal reference systems and frames are navigation (GPS, interplanetary spacecraft navigation) and global geodynamics, which provide a high-precision Celestial Reference System and its link to any terrestrial spatial-temporal reference system. Mankind’s urgent environmental questions can only be answered in the context of appropriate reference systems in which both aspects, space and time, are realized with a sufficiently high level of accuracy. This book addresses all those interested in high-precision reference systems and the various techniques (GPS, Very Long Baseline Interferometry, Satellite Laser Ranging, Lunar Laser Ranging) necessary for their realization, including the production and dissemination of time signals.
Author: V. Dehant
Publisher: Cambridge University Press
ISBN: 110709254X
Category : Nature
Languages : en
Pages : 553
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Book Description
This book describes how changes in the Earth's orientation are observed and computed in terms of tidal forcing and models of the Earth's interior.
Author: Guochang Xu
Publisher: Springer
ISBN: 3662503670
Category : Science
Languages : en
Pages : 508
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Book Description
This reference and handbook describes theory, algorithms and applications of the Global Positioning System (GPS/Glonass/Galileo/Compass). It is primarily based on source-code descriptions of the KSGsoft program developed at the GFZ in Potsdam. The theory and algorithms are extended and verified for a new development of a multi-functional GPS/Galileo software. Besides the concepts such as the unified GPS data processing method, the diagonalisation algorithm, the adaptive Kalman filter, the general ambiguity search criteria, and the algebraic solution of variation equation reported in the first edition, the equivalence theorem of the GPS algorithms, the independent parameterisation method, and the alternative solar radiation model reported in the second edition, the modernisation of the GNSS system, the new development of the theory and algorithms, and research in broad applications are supplemented in this new edition. Mathematically rigorous, the book begins with the introduction, the basics of coordinate and time systems and satellite orbits, as well as GPS observables, and deals with topics such as physical influences, observation equations and their parameterisation, adjustment and filtering, ambiguity resolution, software development and data processing and the determination of perturbed orbits.
