Satellite geodesy  

Lecture: the theory of the motion of artificial satellites: Keplerian and perturbed motion; Kepler's laws; elements of the orbit; types of orbits; equation of motion; integration of equations of motion; movement in circular and elliptical orbits; Kepler's equation; orbital and geocentric coordinates of the satellites; elements of a circular orbit; satellites ground track; geostationary satellite and its applications; perturbed satellite motion; classification of perturbing forces; osculatory elements; secular, long-term, short-term and diurnal perturbations; perturbations caused by the eccentric gravitational field and the atmospheric effect. Techniques of artificial satellites observation: classification of observation techniques; principles of the satellite laser ranging (SLR), altimetric and gradiometric measurements; basic information about photographic and Doppler techniques. GNSS measurements: the architecture of GNSS systems; GNSS satellite signal structure; receivers and antennas; code and carrier-phase method of measuring the distance to a satellite. Initialization problem in GNSS measurements; absolute and relative methods. GNSS measurement technologies: static, fast static, kinematic, RTK/NRTK and DGNSS; GNSS measurement errors; the differencing of GPS observation (single-, double, triple difference), linear combinations of the carrier-phase observations and their applicability and their advantages and disadvantages. Other existing and planned global satellite navigation systems: GLONASS, Compass and Galileo systems; system similarities and differences; the benefits of using them together. Overview of regional satellite navigation systems: EGNOS, QZSS, IRNSS GAGAN etc. Satellite and Ground Augmentation Systems, national augmentation system ASG-EUPOS. A brief overview of currently operating satellite missions (DORIS, GOCE, CHAMP, GRACE). Laboratory: the theory of the artificial satellite motion; determination of horizontal coordinates of a geostationary satellite; determination of the geocentric coordinates of the GPS satellite based on the broadcast ephemeris; calculation of DOP parameters; planning and field measurement with the use of static and fast static technology; GNSS data processing - vector determination and GNSS network adjustment; quality evaluation of the results; preparation and field measurement with the use RTK/NRTK technology; ASG-EUPOS services - rules of use and data formats
Presential
English
Satellite geodesy
English

Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or HaDEA. Neither the European Union nor the granting authority can be held responsible for them. The statements made herein do not necessarily have the consent or agreement of the ASTRAIOS Consortium. These represent the opinion and findings of the author(s).