VLBI

Topic

Content

Learning Objectives

VLBI principles

VLBI principles.

Geophysical Modeling in Geodetic VLBI Analysis.

 

Learn fundamentals of VLBI technique. Understanding geophysical phenomena that can be observed with VLBI.

Practice with VLBI analysis software and analyze your first VLBI session.

 

Corrections needed in the measurements

Radiofrequency signal propagation in space and Earth’s atmosphere, what delays it and how are these delays corrected for.

Solid Earth and Ocean Tides, and other factors corrected routinely in geodetic measurements.

To understand the delays in signal propagation

To identify the basic corrections needed

VLBI experiment

VLBI experiment. Introduction to VLBI Global Observing System (VGOS).

To became familiar with the VLBI equipment and how the observations are arranged. Understanding of the VLBI Global Observing System (VGOS) features

GNSS

Topic

Content

Learning Objectives

From meter to sub-centimeter

Standard vs. Precise

Various positioning methods: point positioning (SPP, PPP)

differential positioning (DGNSS)

relative positioning (static, kinematic)

To distinguish between different positioning modes

 To choose the suitable positioning technique

Network-based and real-time positioning

Real Time Kinematic (RTK)

Network RTK

Precise Point Positioning (PPP)

 

To explain the principle of network-based real-time kinematic positioning

 To distinguish between various network based implementations

GNSS precise positioning in the real-world

Applications, strengths vs. weaknesses, demo

to become familiar with the potential of GNSS

 to propose potential application

Gravity

Topic

Content

Learning Objectives

Theoretical background and maths

Newton’s theory of gravity, Laplace equations, spherical harmonics

To understand the physical and mathematical notations that are used in the following lectures

Measurements

Gravity measurements on Earth

Satellite gravity measurements

Standard reductions needed for the measurements

To become familiar with different types of gravity measurements

To identify the basic reductions and their uses

Geopotential and geoid

Using gravity measurements to compute geoid and other quantities

To become familiar with the potential of gravity data

To test different quantities derived from gravity data

Senast redigerad: fredag, 19 februari 2021, 09:39