Earth-Moon Space
Lunar exploration and deep space geodetic research
Overview
Our Earth-Moon Space research program focuses on advancing lunar exploration technologies and developing precise geodetic systems for deep space missions. We work on fundamental problems in lunar science, including lunar libration, selenodetic positioning, and Earth-Moon coordinate transformation.
Research Directions
- Lunar laser ranging and precise orbit determination
- Earth-Moon coordinate reference frame unification
- Lunar navigation and positioning systems
- Deep space tracking and navigation technologies
- Lunar gravity field modeling and analysis
VLBI
Very Long Baseline Interferometry for astronomy and geodesy
Overview
Our VLBI research program utilizes Very Long Baseline Interferometry technology to achieve ultra-high resolution astronomical observations and precise geodetic measurements. We operate and contribute to global VLBI networks, developing cutting-edge techniques for astronomical imaging and Earth orientation parameter determination.
Research Directions
- Global VLBI observations and data analysis
- VLBI technology development and system optimization
- Extragalactic radio source positioning
- Earth orientation parameters and UT1 measurement
- Spacecraft tracking and navigation support
Spatial-Temporal Reference
High-precision coordinate systems and time synchronization
Overview
Our Spatial-Temporal Reference research focuses on establishing and maintaining high-precision coordinate systems and reference frames. We develop advanced techniques for geodetic data processing, coordinate transformation, and time synchronization, contributing to international reference frame realizations and their practical applications.
Research Directions
- International Terrestrial Reference Frame (ITRF) realization and maintenance
- Multi-GNSS precise positioning and orbit determination
- Geoid and height system unification
- Time transfer and synchronization technologies
- Coordinate transformation and datum conversion
