The Gnss Integer Ambiguities
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The Gnss Integer Ambiguities
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Author : Sandra Verhagen
language : en
Publisher:
Release Date : 2005
The Gnss Integer Ambiguities written by Sandra Verhagen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Geodesy categories.
Fast and high precision relative positioning with a Global Navigations Satellite System (GNSS) is only possible by using the very precise carrier phase measurements. However, these carrier phases are ambiguous by an unknown number of cycles. The knowledge that the ambiguities are integer-valued has been exploited in the past 15 years for the development of integer ambiguity resolution algorithms.
Partial Carrier Phase Integer Ambiguity Resolution For High Accuracy Gnss Positioning
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Author : Andreas Brack
language : en
Publisher: Verlag Dr. Hut
Release Date : 2019-10-01
Partial Carrier Phase Integer Ambiguity Resolution For High Accuracy Gnss Positioning written by Andreas Brack and has been published by Verlag Dr. Hut this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-01 with Technology & Engineering categories.
Global navigation satellite systems provide ranging based positioning and timing services. The use of the periodic carrier-phase signals is the key to fast and accurate solutions, given that the inherent ambiguities of the carrier-phase measurements are correctly resolved. The idea of partial ambiguity resolution is to resolve a subset of all ambiguities, which enables faster solutions but does not fully exploit the high precision of the carrier-phase measurements. Theory, methods, and algorithms for partial ambiguity resolution are discussed and analyzed with simulated and real data.
On The Probability Density Function Of The Gnss Ambiguity Residuals
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Author : Sandra Verhagen
language : en
Publisher:
Release Date : 2006
On The Probability Density Function Of The Gnss Ambiguity Residuals written by Sandra Verhagen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Distribution (Probability theory) categories.
Integer GNSS ambiguity resolution involves estimation and validation of the unknown integer carrier phase ambiguities. A problem then is that the classical theory of linear estimation does not apply to the integer GPS model, and hence rigorous validation is not possible when use is made of the classical results. As with the classical theory, a first step for being able to validate the integer GPS model is to make use of the residuals and their probabilistic properties. The residuals quantify the inconsistency between data and model, while their probabilistic properties can be used to measure the significance of the inconsistency. Existing validation methods are often based on incorrect assumptions with respect to the probabilistic properties of the parameters involved. In this contribution we will present and evaluate the joint probability density function (PDF) of the multivariate integer GPS carrier phase ambiguity residuals. The residuals and their properties depend on the integer estimation principle used. Since it is known that the integer least-squares estimator is the optimal choice from the class of admissible integer estimators, we will only focus on the PDF of the ambiguity residuals for this estimator. Unfortunately the PDF cannot be evaluated exactly. It will therefore be shown how to obtain a good approximation. The evaluation will be completed by some examples.
A Direct Fixing Criterion For Gnss Integer Ambiguity Search
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Author : 胡烝銘
language : en
Publisher:
Release Date : 2012
A Direct Fixing Criterion For Gnss Integer Ambiguity Search written by 胡烝銘 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Integer Ambiguity Resolution For Multi Gnss And Multi Signal Raw Phase Observations
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Author : Florian Reckeweg
language : en
Publisher:
Release Date : 2020
Integer Ambiguity Resolution For Multi Gnss And Multi Signal Raw Phase Observations written by Florian Reckeweg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Ambiguity categories.
Multi Frequency And Multi Gnss Ppp Phase Bias Estimation And Ambiguity Resolution
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Author : Xiao, Guorui
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-11-09
Multi Frequency And Multi Gnss Ppp Phase Bias Estimation And Ambiguity Resolution written by Xiao, Guorui and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-09 with Science categories.
Multi-frequency and multi-GNSS measurements from modernized satellites are properly integrated for PPP with ambiguity resolution to achieve the state-of-the-art fast and accurate positioning, which provides an important contribution to GNSS precise positioning and applications. The multi-frequency and multi-GNSS PPP phase bias estimation and ambiguity resolution, which is accomplished by a unified model based on the uncombined PPP, are thoroughly evaluated with special focus on Galileo and BDS.
Springer Handbook Of Global Navigation Satellite Systems
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Author : Peter Teunissen
language : en
Publisher: Springer
Release Date : 2017-06-16
Springer Handbook Of Global Navigation Satellite Systems written by Peter Teunissen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-16 with Science categories.
This Handbook presents a complete and rigorous overview of the fundamentals, methods and applications of the multidisciplinary field of Global Navigation Satellite Systems (GNSS), providing an exhaustive, one-stop reference work and a state-of-the-art description of GNSS as a key technology for science and society at large. All global and regional satellite navigation systems, both those currently in operation and those under development (GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS/NAVIC, SBAS), are examined in detail. The functional principles of receivers and antennas, as well as the advanced algorithms and models for GNSS parameter estimation, are rigorously discussed. The book covers the broad and diverse range of land, marine, air and space applications, from everyday GNSS to high-precision scientific applications and provides detailed descriptions of the most widely used GNSS format standards, covering receiver formats as well as IGS product and meta-data formats. The full coverage of the field of GNSS is presented in seven parts, from its fundamentals, through the treatment of global and regional navigation satellite systems, of receivers and antennas, and of algorithms and models, up to the broad and diverse range of applications in the areas of positioning and navigation, surveying, geodesy and geodynamics, and remote sensing and timing. Each chapter is written by international experts and amply illustrated with figures and photographs, making the book an invaluable resource for scientists, engineers, students and institutions alike.
Gps For Geodesy
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Author : Peter J.G. Teunissen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Gps For Geodesy written by Peter J.G. Teunissen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
An in-depth description of the theory and mathematical models behind the application of the global positioning system in geodesy and geodynamics. The contributions by leading experts in the field ensure a continuous flow of ideas and developments. The mathematical models for GPS measurements are developed in the first half of the book, and these are followed by GPS solutions for geodetic applications on local, regional and global scales.
Gps Trends In Precise Terrestrial Airborne And Spaceborne Applications
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Author : G. Beutler
language : en
Publisher: Springer
Release Date : 1996-04-17
Gps Trends In Precise Terrestrial Airborne And Spaceborne Applications written by G. Beutler and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-04-17 with Gardening categories.
This volume documents the IAG Symposium "GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications" held in July 1995 during the 21st IUGG General Assembly in Boulder, Colorado. An overview of implementation of the International GPS Service for Geodynamics (IGS) is followed by a documentation of GPS developments in the fields of spaceborne and kinematic applications of the GPS. Another part of the proceedings is devoted to a new branch of GPS research, theory and methodology conclude the volume. These proceedings not only reflect the state of the art in science- and engineering-oriented GPS research in the year 1995, but also contain many indications for future developments.
Position Navigation And Timing Technologies In The 21st Century
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Author : Y. Jade Morton
language : en
Publisher: John Wiley & Sons
Release Date : 2021-01-13
Position Navigation And Timing Technologies In The 21st Century written by Y. Jade Morton and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-13 with Science categories.
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