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Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media
With very few exceptions, geodetic measurements use electro magnetic radiation in order to measure directions, distances, time delays, and Doppler frequency shifts, to name the main ter restrial and space observables. Depending on the wavelength of the radiation and the purpose of the measurements, the follow ing parameters of the electromagnetic wave are measured: ampli tude, phase, angle-of-arrival, polarisation and frequency. Ac curate corrections have to be applied to the measurements in order to take into account the effects of the intervening medium between transmitter and receiver. The known solutions use at mospheric models, special observation programs, remote sensing techniques and instrumental methods. It has been shown that the effects of the earth's atmospheric envelope present a fundamental limitation to the accuracy and precision of geodetic measurements. This applies equally to ter restrial and space applications. Instrumental accuracies are al ready below the atmospherically induced limitations, and thus the accuracy demands on the geodetic refraction solutions are entering a new magnitude zone. This monograph is primarily devoted to the properties of the at mospheric effects on various geodetic measurements and to their evaluation. Ten review papers cover the most pressing aspects of the atmospheric effects on geodetic measurement~. Ttiese state of-the art papers were written by eminent specialists in their respective research fields.
Books about Proceedings, First International Conference on the Redefinition of the North American Geodetic Vertical Control Network Held at Defense Mapping Agency Inter American Geodetic Survey Cartographic School, Fort Clayton, Canal Zone, January 15 to 18, 1979
Type: BOOK - Published: 2017-11-22 - Publisher: Taylor & Francis
Providing a broad overview of foundational concepts, Fundamentals of Astronomy covers topics ranging from spherical astronomy to celestial mechanics, closing with two chapters that discuss elements of astronomical photometry and spectroscopy. Supplementary and explanatory notes at the end of each chapter provide references to material published in scientific journals, and solved and unsolved exercises allow students to review their understanding of the material. Broad in coverage, the book presents arguments from classical astronomy, such as spherical astronomy, that form the foundation for future work in the field. Features: Provides an introductory vision of arguments from spherical astronomy to celestial mechanics to astronomical photometry and spectroscopy Presents the information at an introductory level without sacrificing scientific rigor Includes worked examples, references, and Web site evaluations
Type: BOOK - Published: 2020-11-25 - Publisher: CRC Press
Providing a broad overview of foundational concepts, this second edition of Fundamentals of Astronomy covers topics ranging from spherical astronomy to reference systems, and celestial mechanics to astronomical photometry and spectroscopy. It expounds arguments of classical astronomy that provided the foundation for modern astrometry, whilst presenting the latest results of the very-long-baseline interferometry (VLBI) radio technique, optical interferometers and satellites such as Hipparcos and GAIA, and recent resolutions of the IAU and IERS regarding precession, forced and free nutation, and Earth figure and rotation. Concepts of general relativity are explored, such as the advance of Mercury’s perihelion, light deflection and black holes, in addition to the physical properties, orbits, and ephemerides of planets, comets and asteroids with an extension to visual binary stars orbital reconstruction. Extrasolar planets are also discussed, with reference to radial velocity and transits measurements by ground and space telescopes. Basic concepts of astronomical photometry, spectroscopy and polarimetry are given, including the influence of the terrestrial atmosphere. Classical works, such as Hipparchus, are mentioned in order to provide a flavor of the historical development of the field. It is an ideal textbook for undergraduate and graduate students studying astronomy, astrophysics, mathematics, and engineering. Supplementary and explanatory notes provide readers with references to additional material published in other literature and scientific journals, whilst solved and unsolved exercises allow students to review their understanding of the material. Features: Provides an introductory vision of arguments from spherical astronomy to celestial mechanics to astronomical photometry and spectroscopy Presents the information at an introductory level without sacrificing scientific rigor Fully updated throughout with the latest results in the field
Type: BOOK - Published: 2013-10-22 - Publisher: Elsevier
Developments in Geotectonics, Volume 20: Recent Crustal Movements, 1982 presents the proceedings of the 3rd Symposium on Recent Crustal Movements and Phenomena Associated with Earthquakes and Volcanism, held in Tokyo, Japan on May 12–13, 1982. This book presents the results in crustal movement studies at a local or regional scale. Organized into four parts encompassing 45 chapters, this volume begins with an overview of the gravimetric research carried out in various locations in Maracaibo Basin Area. This text then evaluates the reliability of the leveling measurements using modified geodetic checks as well as through comparison with independent measurements of crustal movement. Other chapters consider the basis of geodetic strain analysis. This book discusses as well the first-order geodetic measurements in seismically active areas in southern and southwestern Australia. The final chapter deals with the correlation of the data of relevelling with surface relief. This book is a valuable resource for engineers and geologists.
