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A Text Book on GPS Surveying (Paperback)


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The objective of this book is to provide insights into understanding GPS Surveying and positioning concisely in a systematic manner. The book contains six chapters, one annexure followed by bibliography. The first chapter aims at introducing Global Positioning System (GPS) for land surveying. It starts with a brief history of development of NAVSTAR (NAVigational System for Timing And Ranging) GPS followed by advantages of GPS in land surveying and principle of positioning using GPS. The chapter concludes with an overview of elements of GPS in surveying and positioning. The objective of Chapter 2 is to provide basic information about GPS for surveying. It starts with architecture of GPS followed by contents of GPS signal, GPS system time. It discusses the World Geodetic System 1984 (WGS84) explaining its coordinate system, geoid, ellipsoid, earth gravitational model etc followed by its relationships with other geodetic systems. The chapter also discusses on GPS augmentation systems and modernization steps. Chapter 3 aims at providing fundamental information required for GPS surveying. The chapter explains the different methods for GPS surveying, equipments, field operations and quality analysis of GPS observations. The chapter concludes with accuracy standards to be followed for GPS surveying. Aim of chapter 4 is to explain the content of GPS observations. It discusses the GPS observables and fundamental relations to determine unknown positions. It also provides the different errors associated with observations. The chapter concludes with criterion for assessment of quality of GPS Observables. Chapter 5 discusses processing steps involved in determination of positions from GPS observables. It explains the operations involved in pre-processing and positioning followed by criterion for assessment of GPS positions. The chapter concludes with a brief discussion on salient modules of a GPS data processing software. Chapter 6 aims at locating GPS position geo-spatially through network adjustment. It discusses least square network adjustment models and methods, processing strategies, steps for network adjustments and criterion for output quality. The chapter concludes with a worked out example on network adjustment, as detailed theoretically. The book further contains one annexure stating the steps involved for conversion of navigation data to determine satellite positions in ECEF system. Towards the end, the book contains a list of books which have been referred in writing this book. Manuscript has been thoroughly checked through plagiarism software to avoid any copyright violation. However, to make the book more understandable, standard names and symbols have been used from original literatures. To summarize, the book provides a sequence of topics aiming to basic understanding and carrying out land surveying as well as processing for geo-spatial positioning using GPS. The book is meant to serve as an introductory text book on GPS surveying and is expected to be useful for students as well as field surveyors looking for insights into GPS surveying.

About the Author

Dr. Jayanta Kumar Ghosh is working as Associate Professor in the Civil Engineering Department (Geomatics Engineering Group) of Indian Institute of Technology Roorkee. He was born in Guwahati, Assam in the year 1962. He did his bachelor degree in Civil Engineering from Bengal Engineering College and Science University (BECSU) in the year 1984 and Master of Technology in Civil Engineering with specialization in Surveying, Photogrammetry and Remote Sensing from Indian Institute of Technology Kanpur (IITK) in the year 1990. He did his doctor of philosophy degree in Civil Engineering from Indian Institute of Technology Roorkee (IITR) in the year 1997. He bagged many national (National Scholar 1977, Ist prize by NRDF 1984 etc.) and international (DAAD fellowship 2007, Erasmus Mundus Visiting Professorship 2009 etc.) laurels in his academic career. He is engaged in teaching, research and consultancy works in Geomatics engineering for more than 30 years. He is pioneer in introducing courses on GPS surveying in the UG & PG curriculum of Civil Engineering in India, since 1999. He has conducted many short term courses on GPS Surveying for the building professionals as early as 2002. He has more than 80 publications in the International and National journals of repute and conferences. He is member of different technical associations of National and International repute.
Product Details
ISBN: 9781522952749
ISBN-10: 1522952748
Publisher: Createspace Independent Publishing Platform
Publication Date: December 28th, 2015
Pages: 224
Language: English