Course Details
Geodetic networks
Academic Year 2023/24
BEA015 course is part of 1 study plan
BPC-GK Summer Semester 2nd year
Position network two and three dimensional. Construction methods, network projects, stabilization and signalisation of points. Conversion of measured quantity into display surface. Network with measured direction synopsis and lengths, satellite networks. Adjustment of point coordinates in surface levels, adjustment of 3D networks, combined adjustment. Local networks, free network. Accuracy analysis of aligned coordinates and their functions. Transformation of surface and spatial networks. Nowadays methods and technology of building point fields. Project geodetic network. Level networks. Conversions of measured super elevations. Adjustment of levelling traverse and networks in CSNS and accuracy of area network. Maintenance and repair of networks.
Course Guarantor
Institute
Objective
Mastering to establish, to observe, to adjust and assess the quality of geodetic network.
Knowledge
Mastering to establish, to observe and to adjust geodetic networks.
Syllabus
1. Repetition of Terms of Linear algebra and matrix operations. Local geodetic networks.
2. Preparation measured quantities
3. Adjutment of observations - observation equations - linearization equations
4. Analysis of the results of adjustment. The error ellipse.
5. Adjustment of observation equations with condition equations. Differential similarity transformation.
6. The free network, the definition and purpose of the free network.
7. Conformal transformation in the plane and space. Equations.
8. The network formed by vectors from GNSS measurements. Transforming the vector to the fictitious measurement, transformation covariance matrix.
9. Steps of realization geodetic networks.
10. The building of geodetic networks.
2. Preparation measured quantities
3. Adjutment of observations - observation equations - linearization equations
4. Analysis of the results of adjustment. The error ellipse.
5. Adjustment of observation equations with condition equations. Differential similarity transformation.
6. The free network, the definition and purpose of the free network.
7. Conformal transformation in the plane and space. Equations.
8. The network formed by vectors from GNSS measurements. Transforming the vector to the fictitious measurement, transformation covariance matrix.
9. Steps of realization geodetic networks.
10. The building of geodetic networks.
Prerequisites
Fundamental knowledge of mathematics. Adjustment methods, matrix calculus, local maxima and minima of functions of several variables. Helmert's coordinate transformation.
Language of instruction
Czech
Credits
4 credits
Semester
summer
Forms and criteria of assessment
course-unit credit and examination
Specification of controlled instruction, the form of instruction, and the form of compensation of the absences
Extent and forms are specified by guarantor’s regulation updated for every academic year.
Offered to foreign students
Not to offer
Course on BUT site
Lecture
13 weeks, 2 hours/week, elective
Syllabus
1. Repetition of Terms of Linear algebra and matrix operations. Local geodetic networks.
2. Preparation measured quantities
3. Adjutment of observations - observation equations - linearization equations
4. Analysis of the results of adjustment. The error ellipse.
5. Adjustment of observation equations with condition equations. Differential similarity transformation.
6. The free network, the definition and purpose of the free network.
7. Conformal transformation in the plane and space. Equations.
8. The network formed by vectors from GNSS measurements. Transforming the vector to the fictitious measurement, transformation covariance matrix.
9. Steps of realization geodetic networks.
10. The building of geodetic networks.
Exercise
13 weeks, 2 hours/week, compulsory
Syllabus
1. Mathematical fundamentals of the LSQ adjustment – in the matrix form.
2. Preparation measured quantities for adjustment.
3. Observation equations – linearization equations.
4. Adjustment of observation equations.
5. Analysis of the results of adjustment.
6. Error elipse.
7. Helmert's transformation in 2D space.
8. Commercial software for networks adjustment.
9. Network with GNSS vectors – adjustment.
10. Credit.