Course Details

Geodetic networks

Academic Year 2024/25

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.

Credits

4 credits

Language of instruction

Czech

Semester

summer

Course Guarantor

Ing. Michal Kuruc, Ph.D.

Institute

Institute of Geodesy

Forms and criteria of assessment

course-unit credit and examination

Entry Knowledge

Fundamental knowledge of mathematics. Adjustment methods, matrix calculus, local maxima and minima of functions of several variables. Helmert's coordinate transformation.

Aims

Mastering to establish, to observe, to adjust and assess the quality of geodetic network.

Mastering to establish, to observe and to adjust geodetic networks.

Recommended Reading

Bárta, Ladislav. Geodetické sítě.Modul 01 [GE13-M01]: Brno : Vysoké učení technické, Fakulta stavební, 2005. 116 s. (cs)
Bárta, Ladislav. Geodetické sítě.Modul 02 [GE13-M02]: Brno : Vysoké učení technické, Fakulta stavební, 2005. 116 s. (cs)

Offered to foreign students

Not to offer

Course on BUT site

https://www.vut.cz/en/students/courses/detail/281664

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.