ETRI-Knowledge Sharing Plaform

Geostationary Satellite Flight Dynamics Off-Loading Satellite Mission Orbit Prediction Maneuver Planning Geo Satellite Ground Station Event Prediction Ground Control System(GCS) Satellite Constellations Spacecraft Bus Multi-Mission Mission Operations KOMPSAT-2 Precise Orbit Determination Ka-Band Communications Leo Satellite Korea Multi-Purpose Satellite-5(KOMPSAT-5) Gps Data Position Accuracy Design Methodology Unmanned Vehicles Traffic Management System Gps Receiver Solar Array Low Altitude Prevention Technology Object Oriented Analysis And Design Satellite Control System Design And Implementation Orbit Accuracy Geostationary Ocean Color Imager Security Technology Antenna Tracking Inter-Satellite Links(ISLs) Dynamic Models Object-Oriented Design Automation System Dynamic Test Maneuver Time Application Technology Geometric Singularity Geosynchronous Orbit Graphical User Interface(GUI) System Design Geostationary Earth Orbit Satellite Normal Operation Microsoft .Net Ocean And Meteorological Satellite(COMS) Simulation Results Positioning Accuracy Ground Track Net Framework Communication Satellite Large-Scale Launch Vehicle Link Protocol Mission Planning Spacecraft Attitude Satellite Orbit Determination Urban Areas Image Navigation Joint Space Accurate Positioning Multi-Gnss Gps Navigation Personal Computer(PC) Planning System(CPPS) Frequency Band Carrier Phase Sun-Synchronous Ariane 5 Programming Language Mission Scheduling Precision Orbit Determination(POD) Transmission Control Protocol(TCP) Control Center Internet Protocol(IP) Space Operations Operational Validation Urban Environments Dynamic Methods Reinforcement Learning(RL) Satellite Communication System Cyber Threats Need For Dual-Frequency Ieee 802.11 Standard Orbit Determination Accuracy Real-World Measurement Residuals Arc Length SAC-C NS-3 Three Dimensional(3D) Mission Analysis System Implementation Frame Parameters Car Navigation Local Time Accuracy Improvement Satellite Positioning Control And Monitoring Antenna Pointing Sw Quality Satellite Navigation System Single Frequency Data Sets Inter-Frame Phase Variation Monitor And Control Static Tests Imaging Sensors Orbit Maneuver Data Message Image Data Orbit Maintenance Corner Reflector Error Mitigation In-Orbit Test One-Way Distributed Cps Real-Time Orbit Determination Unmanned Aircraft System Cassegrain Antenna Conjunction Analysis User Interface Design Simultaneous Estimation Separation Method Command Transmission Different Profiles Differential Gnss Object-Oriented Methodology Risk Evaluation Application Development Iterative Process Time To First Fix Radio Occultation Co-Location Four-Way Handshake Impingement Effect Momentum Wheel Physical Interaction Packet Loss Core Functions Elevation Angle Velocity Increment Quality Analysis Side Effects Communication Range Performance Analysis Search And Rescue Satellite Simulation High Signal-To-Noise Ratio Interference Management Elevation Data Radio Regulations System Software Location Control Link Budget Physical Systems Packet Routing Cross-Coupling Fds Software Minimum Fuel Operational Parameters Virtual Objects Single Station Antenna Computer Software Human-Centered Theoretical Methods Track Maintenance Conjunction Assessment Small Uas World Map Quality Requirements Quality Testing Band Interference Operational Scenario Initial Orbit Determination Parameter Calculation Ray Tracing Reconfigurable Fir Filter Static Testing Signal Quality Conflict-Free Nlos Error Operation Scenarios Positioning Error And Operation Domain Model Daily Routine Direct Estimation Functional Design Ground-Based Harmful Interference Message Scheduling Orbit Propagation Pressure Dynamic Performance Testing Reference Data Satellite Station-Keeping Long Time Pulse Number Signal Strength Broadcasting Services Communications System Doppler Signal Multiple Satellites Performance Degradation Extensible Markup Language(XML) Radar Image Software Platform Sw Engineering Software And Hardware Design Optimized Link State Routing(OSLR) Analysis And Simulation Mitigation Techniques Observation Quality Testing Technique Hybrid Application Switching Algorithm Accuracy Analysis Estimation Parameter Near Real Time Firing Time Grace Satellite Prediction System Switching Technique Virtual Ground Orbit Information Quantitative Approach Coordinate Transformation Deep Neural Network(DNN) Global Positioning System (Gps) Radio Signal Service Lifetime Earth Station Spatial Distribution Computer Hardware Efficiency Calibration In-Plane Machine Learning Approach Raw Measurement Data System Analysis And Design Communication Services Equatorial Region Non-Geostationary Orbit Small Perturbations Covariance Propagation Defect-Free High Gain Antenna(HGA) Network Flow Satellite Network Position Error Data Exchange Data Transmission Radio Astronomy Use Cases Field Of View(FoV) Gps Time Orbital Elements Real-Time Kinematic(RTK) Visual Realism Software Design Ionospheric Error Optimal Maneuver Re-Transmission Inclination Control Test Execution Data Generation International Telecommunication Union(ITU) Weighting Matrix Research Institute Synthetic Aperture Radar (Sar) Imaging Accuracy Requirements Cyber Physical System(CPS) Development Stage Global Navigation Satellite Systems(GNSSs) Reduced-Dynamic Method Doppler Measurements Kinematic Method Principal Axis Random Access Signal Interference Component-Based Data Rate Non-Iterative S-Band Out-Of-Plane Satellite Tracking System Shadow Matching Gps Observation Orbit Estimation On-Board Gps Sensor Interference Solar Activity Collision Avoidance Maneuver Digital Twin Standard Platform Solar Panels Collapse Results Gps Signal High Resolution Images Mitigation Method Novel Configuration Non-Line-Of-Sight(NLOS) Quality Assurance Methodology Computer Cluster Multi-Constellation Orbit Dynamics Communication Technologies Wide Band Software Test Automation Three Dimensions Choke Ring Antenna Telemetry Data Spread Spectrum(SS) Clock Error Fir Filter Design Positioning Mode Range Data Virtual Worlds Software Quality Satellite Laser Ranging(SLR) Satellite Attitude Gps-Based High-Resolution Sar Images Relative Phase Cone Angle Low Earth Orbit Satellite Unreal Engine Vector Control Strategy Continuous Operation Error Estimation Performance Comparison Differential Gps Dawn-Dusk Orbit Estimation Algorithm Data Formatting During The Mission Least-Squares Estimator Mission Control Element Urban City Satellite Tracking Data Atmospheric Drag Command Generation Communication Network Loading Strategy Virtual Space Architecture Design System Test Azimuth Angle Residual Analysis User-Specific Quality Management Cps Architecture Least Square Estimator Collision Risk Learning Methodologies Mono-Pulse Tall Buildings Signal Compensation Signal Noise Ratio(SNR) Analysis Tool Gnss Signal Interference Analysis Optimization Parameters Source Code Solar Radiation Pressure Single Satellite Small Area C Program Detailed Design Gps Antenna Information Available Multipath Effect Angle Tracking Beam Coverage Flight Operations Three-Way Handshake Singularity Problem Real Data Communication Link Co-Channel Interference(CCI) Network Investigations Extended Kalman Filter Flight Software Deep Learning(DL) Relative Position Synthetic Aperture Radar (Sar) Images Distributed Antenna Systems(DAS) Calibration And Validation Observation Data