Basic concepts and fields of applications in satellite geodesy. Introduction to GPS and Global Navigation Satellite Systems (GNSS) - Gallileo, GLONASS, Beidou. Satellite and GPS signal structure. Measurement of pseudo-distance, Absolute satellite positioning. Satellite orbits, Kepler s laws calculation of satellite orbits. Satellite receivers, tracking loops, GNSS antennas, field procedures. Basic wave and signal principles in satellite geodesy. Introduction to phase observation. Phase observation equation, phase ambiguities. Relative satellite tracking principle. Linear combinations of primary phase measurements. Satellite-based resolution methods. Types and techniques of related satellite tracking. Topographic surveying with satellite geodesy techniques. Differential GPS (DGPS). Post Processing Kinematic (PPK), Real Time Kinematic (RTK) techniques. Sources of satellite tracking errors, track errors, chronometer errors, ionospheric / tropospheric errors, multi-reflection errors. Quality measures of absolute and relative satellite positioning. Reliability and quality checks. Specifications for the execution and control of geodetic works. Introduction to satellite networks, field measurements and network resolution methods. Introduction to satellite tracking network techniques.
- Teacher: Βασίλειος Γκίκας
ECTS : 5
Language : el
Learning Outcomes : Upon successful completion of the course, the student will be able to: • have an understanding of the main characteristics and operation of satellite positioning systems. • have basic knowledge of the theoretical background and techniques for measuring and processing satellite positioning data with emphasis on applications for topographic surveys and stakeouts. • be able to use satellite measurement processing software.