Geodetic Refraction

Geodetic Refraction
Author: F.K. Brunner
Publisher: Springer Science & Business Media
Total Pages: 222
Release: 2012-12-06
Genre: Science
ISBN: 3642455832
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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.

Glossary of the Mapping Sciences

Glossary of the Mapping Sciences
Author: American Society of Civil Engineers
Publisher: ASCE Publications
Total Pages: 596
Release: 1994-01-01
Genre: Science
ISBN: 9780784475706
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The Glossary of Mapping Sciences, a joint publication of the American Congress on Surveying and Mapping (ACSM), American Society for Photogrammetry and Remote Sensing (ASPRS), and American Society of Civil Engineers (ASCE), contains approximately 10,000 terms that cover the broad professional areas of surveying, mapping and remote sensing. Based on over 150 sources, this glossary west through an extensive review process that included individual experts from the related subject fields and a variety of U.S. federal agencies such as the U.S.Geological Survey. This comprehensive review process helped to ensure the accuracy of the document. The Glossary of Mapping Sciences will find widespread use throughout the related professions and serve as a vehicle to standardize the terminology of the mapping sciences.

Geodesy

Geodesy
Author: Wolfgang Torge
Publisher: Walter de Gruyter
Total Pages: 433
Release: 2011-05-12
Genre: Science
ISBN: 3110879956
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The third edition of this well-known textbook, first published in 1980, has been completely revised in order to adequately reflect the drastic changes which occured in the field of geodesy in the last twenty years. Reference systems are now well established by space techniques, which dominate positioning and gravity field determination. Terrestrial techniques still play an important role at local and regional applications, whereby remarkable progress has been made with respect to automatic data aquisition. Evaluation methods are now three-dimensional in principle, and have to take the gravity field into account. Geodetic control networks follow these developments, with far-reaching consequences for geodetic practice. Finally, the increased accuracy of geodetic products and high data rates have significantly increased the contributions of geodesy to geodynamics research, thus strengthening the role of geodesy within the geosciences. The present state of geodesy is illustrated by recent examples of instruments and results. An extensive reference list supports further studies.

Position, Navigation, and Timing Technologies in the 21st Century

Position, Navigation, and Timing Technologies in the 21st Century
Author: Y. Jade Morton
Publisher: John Wiley & Sons
Total Pages: 4407
Release: 2020-12-17
Genre: Science
ISBN: 1119458404
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Covers the latest developments in PNT technologies, including integrated satellite navigation, sensor systems, and civil applications Featuring sixty-four chapters that are divided into six parts, this two-volume work provides comprehensive coverage of the state-of-the-art in satellite-based position, navigation, and timing (PNT) technologies and civilian applications. It also examines alternative navigation technologies based on other signals-of-opportunity and sensors and offers a comprehensive treatment on integrated PNT systems for consumer and commercial applications. Volume 1 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications contains three parts and focuses on the satellite navigation systems, technologies, and engineering and scientific applications. It starts with a historical perspective of GPS development and other related PNT development. Current global and regional navigation satellite systems (GNSS and RNSS), their inter-operability, signal quality monitoring, satellite orbit and time synchronization, and ground- and satellite-based augmentation systems are examined. Recent progresses in satellite navigation receiver technologies and challenges for operations in multipath-rich urban environment, in handling spoofing and interference, and in ensuring PNT integrity are addressed. A section on satellite navigation for engineering and scientific applications finishes off the volume. Volume 2 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications consists of three parts and addresses PNT using alternative signals and sensors and integrated PNT technologies for consumer and commercial applications. It looks at PNT using various radio signals-of-opportunity, atomic clock, optical, laser, magnetic field, celestial, MEMS and inertial sensors, as well as the concept of navigation from Low-Earth Orbiting (LEO) satellites. GNSS-INS integration, neuroscience of navigation, and animal navigation are also covered. The volume finishes off with a collection of work on contemporary PNT applications such as survey and mobile mapping, precision agriculture, wearable systems, automated driving, train control, commercial unmanned aircraft systems, aviation, and navigation in the unique Arctic environment. In addition, this text: Serves as a complete reference and handbook for professionals and students interested in the broad range of PNT subjects Includes chapters that focus on the latest developments in GNSS and other navigation sensors, techniques, and applications Illustrates interconnecting relationships between various types of technologies in order to assure more protected, tough, and accurate PNT Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications will appeal to all industry professionals, researchers, and academics involved with the science, engineering, and applications of position, navigation, and timing technologies. pnt21book.com

The Greatest Lie on Earth (Expanded Edition)

The Greatest Lie on Earth (Expanded Edition)
Author: Edward Hendrie
Publisher: Great Mountain Publishing
Total Pages: 1043
Release: 2018-09-12
Genre: Religion
ISBN: 194305603X
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This book reveals the mother of all conspiracies. It sets forth biblical proof and irrefutable evidence that will cause the scales to fall from your eyes and reveal that the world you thought existed is a myth. The most universally accepted scientific belief today is that the earth is a globe, spinning on its axis at a speed of approximately 1,000 miles per hour at the equator, while at the same time it is orbiting the sun at approximately 66,600 miles per hour. All of this is happening as the sun, in turn, is supposed to be hurtling through the Milky Way galaxy at approximately 500,000 miles per hour. The Milky Way galaxy, itself, is alleged to be racing through space at a speed ranging from 300,000 to 1,340,000 miles per hour. What most people are not told is that the purported spinning, orbiting, and speeding through space has never been proven. In fact, every scientific experiment that has ever been performed to determine the motion of the earth has proven that the earth is stationary. Yet, textbooks ignore the scientific proof that contradicts the myth of a spinning and orbiting globe. Christian schools have been hoodwinked into teaching heliocentrism, despite the clear teaching in the bible that the earth is not a sphere and does not move. This book reveals the evil forces behind the heliocentric deception, and why scientists and the Christian churches have gone along with it.

Introduction to Geodesy

Introduction to Geodesy
Author: James R. Smith
Publisher: John Wiley & Sons
Total Pages: 244
Release: 1997-05-06
Genre: Technology & Engineering
ISBN: 9780471166603
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Dieses Buch ist das einzige Werk, das den Leser ohne mathematisches Expertenwissen in die Geodäsie einführt. Zahlreiche Diagramme und Beispiele illustrieren diese Disziplin, die die Grundlage für moderne Technologien wie die satellitengestützte Ortung (GPS) und geografische Informationssysteme (GIS) bildet.