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Author: William Harold Sprinsky Publisher: ISBN: Category : Surveying Languages : en Pages : 12
Book Description
Compass (Bowditch's) rule and Crandall's method (the 'least squares' solution, in many coordinate geometry programs) are commonly used to adjust traverses for construction and land survey applications. The assumptions made to derive either of those methods do not match today's instrumentation, particularly modern distance-measuring equipment. Presented is an algorithm, based on the idea by George W. Tuttle, a contemporary of Crandall, which adjusts a closed traverse with results very much like those from a minimum variance solution, also presented, but without the complexity of computation. Both methods, which apportion corrections based upon the accuracies of observations, are compared to both compass and Crandall's solutions, using data the accuracies of which are comparable to those of modern instrumentation.
Author: William Harold Sprinsky Publisher: ISBN: Category : Surveying Languages : en Pages : 12
Book Description
Compass (Bowditch's) rule and Crandall's method (the 'least squares' solution, in many coordinate geometry programs) are commonly used to adjust traverses for construction and land survey applications. The assumptions made to derive either of those methods do not match today's instrumentation, particularly modern distance-measuring equipment. Presented is an algorithm, based on the idea by George W. Tuttle, a contemporary of Crandall, which adjusts a closed traverse with results very much like those from a minimum variance solution, also presented, but without the complexity of computation. Both methods, which apportion corrections based upon the accuracies of observations, are compared to both compass and Crandall's solutions, using data the accuracies of which are comparable to those of modern instrumentation.
Author: John Olusegun Ogundare Publisher: John Wiley & Sons ISBN: 1119501393 Category : Mathematics Languages : en Pages : 724
Book Description
Provides a modern approach to least squares estimation and data analysis for undergraduate land surveying and geomatics programs Rich in theory and concepts, this comprehensive book on least square estimation and data analysis provides examples that are designed to help students extend their knowledge to solving more practical problems. The sample problems are accompanied by suggested solutions, and are challenging, yet easy enough to manually work through using simple computing devices, and chapter objectives provide an overview of the material contained in each section. Understanding Least Squares Estimation and Geomatics Data Analysis begins with an explanation of survey observables, observations, and their stochastic properties. It reviews matrix structure and construction and explains the needs for adjustment. Next, it discusses analysis and error propagation of survey observations, including the application of heuristic rule for covariance propagation. Then, the important elements of statistical distributions commonly used in geomatics are discussed. Main topics of the book include: concepts of datum definitions; the formulation and linearization of parametric, conditional and general model equations involving typical geomatics observables; geomatics problems; least squares adjustments of parametric, conditional and general models; confidence region estimation; problems of network design and pre-analysis; three-dimensional geodetic network adjustment; nuisance parameter elimination and the sequential least squares adjustment; post-adjustment data analysis and reliability; the problems of datum; mathematical filtering and prediction; an introduction to least squares collocation and the kriging methods; and more. Contains ample concepts/theory and content, as well as practical and workable examples Based on the author's manual, which he developed as a complete and comprehensive book for his Adjustment of Surveying Measurements and Special Topics in Adjustments courses Provides geomatics undergraduates and geomatics professionals with required foundational knowledge An excellent companion to Precision Surveying: The Principles and Geomatics Practice Understanding Least Squares Estimation and Geomatics Data Analysis is recommended for undergraduates studying geomatics, and will benefit many readers from a variety of geomatics backgrounds, including practicing surveyors/engineers who are interested in least squares estimation and data analysis, geomatics researchers, and software developers for geomatics.
Author: Publisher: ISBN: 9781780397436 Category : Technology & Engineering Languages : en Pages : 302
Book Description
This manual provides technical guidance for performing precise structural deformation surveys of locks, dams, and other hydraulic flood control or navigation structures. Accuracy, procedural, and quality control standards are defined for monitoring displacements in hydraulic structures.
Author: American Society of Civil Engineers Publisher: ISBN: Category : Civil engineering Languages : en Pages : 552
Book Description
Vols. 29-30 contain papers of the International Engineering Congress, Chicago, 1893; v. 54, pts. A-F, papers of the International Engineering Congress, St. Louis, 1904.
Author: Paul R. Wolf Publisher: HarperCollins Publishers ISBN: Category : Science Languages : en Pages : 728
Book Description
**** New edition of the classic surveying textbook. The seventh edition, of 1984, is cited in BCL3. Annotation copyright by Book News, Inc., Portland, OR
Author: Charles D. Ghilani Publisher: John Wiley & Sons ISBN: 0471697281 Category : Technology & Engineering Languages : en Pages : 640
Book Description
"This companion CD-ROM contains: The software ADJUST, MATRIX, and STATS (This software is windows only), Mathcad and HTML worksheets"--CD-ROM.
Author: J. Paul Guyer, P.E., R.A. Publisher: Guyer Partners ISBN: Category : Technology & Engineering Languages : en Pages : 43
Book Description
This publication provides introductory technical guidance for professional engineers, land surveyors and construction managers interested in land surveying horizontal control techniques. Here is what is discussed: 1. INTRODUCTION 2. TRADITIONAL HORIZONTAL CONTROL SURVEY TECHNIQUES 3. SECONDARY OR TEMPORARY HORIZONTAL CONTROL 4. BEARING AND AZIMUTH DETERMINATION 5. ELECTRONIC DISTANCE MEASUREMENT 6. COORDINATE COMPUTATIONS 7. TRAVERSE SURVEYS 8. TRAVERSE SURVEY GUIDELINES 9. TRAVERSE COMPUTATIONS AND ADJUSTMENTS 10. TRAVERSE ADJUSTMENT (COMPASS RULE) 11. TRIANGULATION AND TRILATERATION SURVEYS.
Author: William Harold Sprinsky
Author: William Harold Sprinsky
Author: John Olusegun Ogundare
Author: 
Author: American Society of Civil Engineers
Author: 
Author: Paul R. Wolf
Author: Arthur R. Benton
Author: Charles D. Ghilani
Author: J. Paul Guyer, P.E., R.A.
Author: