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Author : International VLBI Service for Geodesy and Astrometry. General Meeting
Publisher : Unknown
Page : 444 pages
File Size : 41,6 Mb
Release : 2000
Category : Astrometry
ISBN : PSU:000045007958
Author : N. R. Vandenberg
Publisher : Unknown
Page : 0 pages
File Size : 50,6 Mb
Release : 2001
Category : Electronic
ISBN : OCLC:48548692
Author : Jozsef Adam,Klaus-Peter Schwarz
Publisher : Springer Science & Business Media
Page : 631 pages
File Size : 41,7 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783662047095
It was in September 1906 that the predecessor of the IAG, the 'Internationale Erdmessung', th organized the 15 General Assembly at the Hungarian Academy of Sciences in Budapest. It was 95 years later, in September 2001, that the IAG returned to this beautiful city to hold its Scientific Assembly, IAG 2001, in the historical premises of the Academy. The meeting took place from September 2-7, 2001 and continued the tradition of Scientific Assemblies, started in Tokyo (1982) and continued in Edinburgh (1989), Beijing (1993) and Rio de Janeiro (1997). Held every four years at the midpoint between General Assemblies of the IAG, they focus on giving an integrated view of geodesy to a broad spectrum of researchers and practitioners in geodesy and geophysics. The convenient location of the main building of the Hungarian Academy in downtown Budapest and the superb efforts of the Local Organizing Committee contributed in a major way to the excellent atmosphere of the meeting. As at previous meetings, the scientific part of the program was organized as a series of symposia which, as a whole, gave a broad overview of actual geodetic research activities. To emphasize an integrated view of geodesy, the symposia did not follow the pattern of the IAG Sections, but focussed on current research topics to which several IAG Sections could contribute. Each symposium had 5 sessions with presented papers and poster sessions on two consecutive days.
Author : Fernando Sansò
Publisher : Springer Science & Business Media
Page : 625 pages
File Size : 40,6 Mb
Release : 2006-06-09
Category : Science
ISBN : 9783540274322
These proceedings represent the worldwide picture of the state of the art of geodesy. The volume comprehensively covers the most recent results and supplies a good review of the new ideas developing in the field, opening a window to the future of geodesy.
Author : Elisa Felicitas Arias,Ludwig Combrinck,Pavel Gabor,Catherine Hohenkerk,P. Kenneth Seidelmann
Publisher : Springer
Page : 394 pages
File Size : 54,7 Mb
Release : 2017-10-05
Category : Science
ISBN : 9783319599090
The uses of time in astronomy - from pointing telescopes, coordinating and processing observations, predicting ephemerides, cultures, religious practices, history, businesses, determining Earth orientation, analyzing time-series data and in many other ways - represent a broad sample of how time is used throughout human society and in space. Time and its reciprocal, frequency, is the most accurately measurable quantity and often an important path to the frontiers of science. But the future of timekeeping is changing with the development of optical frequency standards and the resulting challenges of distributing time at ever higher precision, with the possibility of timescales based on pulsars, and with the inclusion of higher-order relativistic effects. The definition of the second will likely be changed before the end of this decade, and its realization will increase in accuracy; the definition of the day is no longer obvious. The variability of the Earth's rotation presents challenges of understanding and prediction. In this symposium speakers took a closer look at time in astronomy, other sciences, cultures, and business as a defining element of modern civilization. The symposium aimed to set the stage for future timekeeping standards, infrastructure, and engineering best practices for astronomers and the broader society. At the same time the program was cognizant of the rich history from Harrison's chronometer to today's atomic clocks and pulsar observations. The theoreticians and engineers of time were brought together with the educators and historians of science, enriching the understanding of time among both experts and the public.
Author : Günter Seeber
Publisher : Walter de Gruyter
Page : 613 pages
File Size : 41,5 Mb
Release : 2008-08-22
Category : Science
ISBN : 9783110200089
This book covers the entire field of satellite geodesy and is intended to serve as a textbook for advanced undergraduate and graduate students, as well as a reference for professionals and scientists in the fields of engineering and geosciences such as geodesy, surveying engineering, geomatics, geography, navigation, geophysics and oceanography. The text provides a systematic overview of fundamentals including reference systems, time, signal propagation and satellite orbits, together with observation methods such as satellite laser ranging, satellite altimetry, gravity field missions, very long baseline interferometry, Doppler techniques, and Global Navigation Satellite Systems (GNSS). Particular emphasis is given to positioning techniques, such as the NAVSTAR Global Positioning System (GPS), and to applications. Numerous examples are included which refer to recent results in the fields of global and regional control networks; gravity field modeling; Earth rotation and global reference frames; crustal motion monitoring; cadastral and engineering surveying; geoinformation systems; land, air, and marine navigation; marine and glacial geodesy; and photogrammetry and remote sensing. This book will be an indispensable source of information for all concerned with satellite geodesy and its applications, in particular for spatial referencing, geoinformation, navigation, geodynamics, and operational positioning.
Author : Guochang Xu
Publisher : Springer Science & Business Media
Page : 405 pages
File Size : 48,6 Mb
Release : 2012-08-01
Category : Science
ISBN : 9783642280009
This series of reference books describes the sciences of different fields in and around geodesy. Each chapter, is written by experts in the respective fields and covers an individual field and describes the history, theory, the objective, the technology, and the development, the highlight of the research, the applications, the problems, as well as future directions. Contents of Volume II include: Geodetic LEO Satellite Missions, Satellite Altimetry, Airborne Lidar, GNSS Software Receiver, Geodetic Boundary Problem, GPS and INS, VLBI, Geodetic Reference Systems, Spectral Analysis, Earth Tide and Ocean Loading Tide, Remote Sensing, Photogrammetry, Occultation, Geopotential Determination, Geoid Determination, Local Gravity Field, Geopotential Determination, Magnet Field, Mobile Mapping, General Relativity, Wide-area Precise Positioning etc.
Author : Catherine L. Thornton,James S. Border
Publisher : John Wiley & Sons
Page : 99 pages
File Size : 47,5 Mb
Release : 2005-03-04
Category : Technology & Engineering
ISBN : 9780471726166
Radiometric Tracking Techniques for Deep-Space Navigation focuses on a broad array of technologies and concepts developed over the last four decades to support radio navigation on interplanetary spacecraft. In addition to an overview of Earth-based radio navigation techniques, the book includes a simplified conceptual presentation of each radiometric measurement type, its information content, and the expected measeurement accuracy. The methods described for both aquiring and calibrating radiometric measurements also provide a robust system to support guidance and navigation for future robotic space exploration.
Author : Jakob Flury,Reiner Rummel,Christoph Reigber,Markus Rothacher,Gerd Boedecker,Ulrich Schreiber
Publisher : Springer Science & Business Media
Page : 484 pages
File Size : 41,6 Mb
Release : 2006-02-28
Category : Technology & Engineering
ISBN : 9783540295228
In the recent years, space-based observation methods have led to a subst- tially improved understanding of Earth system. Geodesy and geophysics are contributing to this development by measuring the temporal and spatial va- ations of the Earth’s shape, gravity ?eld, and magnetic ?eld, as well as at- sphere density. In the frame of the GermanR&D programmeGEOTECHNO- LOGIEN,researchprojectshavebeen launchedin2002relatedto the satellite missions CHAMP, GRACE and ESA’s planned mission GOCE, to comp- mentary terrestrial and airborne sensor systems and to consistent and stable high-precision global reference systems for satellite and other techniques. In the initial 3-year phase of the research programme (2002-2004), new gravity ?eld models have been computed from CHAMP and GRACE data which outperform previous models in accuracy by up to two orders of m- nitude for the long and medium wavelengths. A special highlight is the - termination of seasonal gravity variations caused by changes in continental water masses. For GOCE, to be launched in 2006, new gravity ?eld analysis methods are under development and integrated into the ESA processing s- tem. 200,000 GPS radio occultation pro?les, observed by CHAMP, have been processed on an operational basis. They represent new and excellent inf- mation on atmospheric refractivity, temperature and water vapor. These new developments require geodetic space techniques (such as VLBI, SLR, LLR, GPS) to be combined and synchronized as if being one global instrument.
Author : Nancy R. Vandenberg
Publisher : Unknown
Page : 322 pages
File Size : 53,6 Mb
Release : 1999
Category : Electronic
ISBN : NASA:31769000525413
Author : Paul Tregoning,Chris Rizos
Publisher : Springer Science & Business Media
Page : 922 pages
File Size : 46,5 Mb
Release : 2008-01-15
Category : Science
ISBN : 9783540493501
IAG Symposium, Cairns, Australia, 22-26 August, 2005
Author : Yoshiaki Hagiwara
Publisher : Unknown
Page : 538 pages
File Size : 41,5 Mb
Release : 2009
Category : Nature
ISBN : CHI:80441323
Author : International VLBI Service for Geodesy and Astrometry. General Meeting
Publisher : Unknown
Page : 470 pages
File Size : 43,8 Mb
Release : 2008
Category : Astrometry
ISBN : 5020253324
Author : Anonim
Publisher : Unknown
Page : 352 pages
File Size : 51,7 Mb
Release : 2003
Category : Science
ISBN : UCSC:32106017192490
Author : Frank M. Flechtner,Thomas Gruber,Andreas Güntner,M. Mandea,Markus Rothacher,Tilo Schöne,Jens Wickert
Publisher : Springer Science & Business Media
Page : 587 pages
File Size : 44,6 Mb
Release : 2010-07-10
Category : Science
ISBN : 9783642102288
Our planet is currently experiencing substantial changes due to natural phen- ena and direct or indirect human interactions. Observations from space are the only means to monitor and quantify these changes on a global and long-term p- spective. Continuous time series of a large set of Earth system parameters are needed in order to better understand the processes causing these changes, as well as their interactions. This knowledge is needed to build comprehensive Earth s- tem models used for analysis and prediction of the changing Earth. Geodesy and geophysics contribute to the understanding of system Earth through the observation of global parameter sets in space and time, such as tectonic motion, Earth surface deformation, sea level changes and gravity, magnetic and atmospheric elds. In the framework of the German geoscience research and development p- gramme GEOTECHNOLOGIEN, research projects related to the theme “Observing the Earth System from Space” have been funded within two consecutive phases since 2002, both covering 3 years. The projects address data analysis and model development using the satellite missions CHAMP, GRACE, GOCE and comp- mentary ground or airborne observations. The results of the rst phase projects have been published in the Springer book, titled “Observation of the Earth System from Space”, edited by Flury, Rummel, Reigber, Rothacher, Boedecker and Schreiber in 2006. The present book, titled “System Earth via Geodetic-Geophysical Space Techniques” summarizes in 40 scienti c papers the results of eight coordinated research projects funded in the second phase of this programme (2005–2008).
