3 Requirement of Directional Management Technology for Payloads
3.1 Accurate Directional Requirement
3.2 Satellite Platform Design
4 Key Technology and Application of High Precision Directional Management
4.1 Precision Planning and Test Technology of Satellite Dynamic Spectrum
4.2 High Precision Attitude Measurement and Determination Technology
4.3 High Precision Attitude Control Technology
4.4 Micro-vibration Measurement and Suppression Technology
4.5 Image Navigation and Registration Technology
5 Summary
References

Thermal Characteristics Analysis of Airship Based on Multi-node Model
1 Introduction
2 Thermodynamic Model of Stratospheric Airship
2.1 Solar Radiation Model
2.2 Long-Wave Radiation Model
2.3 Convection Model
2.4 Thermal Balance Equation
3 One-Dimensional Thermal Model Simulation of Stratospheric Airship Based on Multi-nodes Division
3.1 Simulation Parameter Settings
3.2 Simulation Results of Multi-node Temperature
3.3 Effect of Convection
3.4 Effect of Gas Leakage
4 Influence of Test Environment on Thermal Characteristics
4.1 Effect of Season

4.2 Effect of Cloud Cover
4.3 Effect of Geographical Environment
5 Summary
References
Analysis of Space Contamination Effect on the Detecting Data from "XY-1" Satellite
1 Introduction
2 Detecting Principle
3 Analysis of Original In-Orbit Detection Data
4 In-Orbit Detection and Data Correction Analysis
5 Conclusion
References
Thermosphere Neutral Densities at Dusk/Dawn Derived from Space-Borne Atmospheric Density Detectors
1 Introduction
2 Data and Methodology
2.1 Densities Derived from Space-Borne Atmospheric Density Detectors
2.2 Empirical Models