Preface; Contents; Spacecraft TT&C Science and Technology; 1 Discussion on Networked and Integrated Space-Ground Information System; 1.1 Introduction; 1.2 Space Information System Development Trends; 1.3 Suggestions on Networking and Integration of the Space-Based Information System; 1.4 Key Technologies Needed to Break Through; 1.5 Conclusion; References; 2 Preliminary Discussion on the TTC and Management of Commercial Space in China; 2.1 Introduction; 2.2 The Current Developing Situation of Commercial Space and Commercial Aerospace TTC at Home and Abroad

2.2.1 The Current Developing Situation of Commercial Space at Home and Abroad2.2.2 The Current Developing Situation of Commercial Space TTC at Home and Abroad; 2.3 Enlightenment of Commercial Space TTC to Our Country; 2.3.1 The General Trend of TTC and Management Development is Diversified; 2.3.2 It is Imperative to Moderate Encourage the Development of Commercial Space TTC; 2.4 Preliminary Discussion on the TTC and Management of Commercial Space in China; 2.4.1 Strengthen Space Legislation; 2.4.2 Explore the New Commercial Space TTC and Management Model

2.4.3 Enhance the Management of Commercial Satellite Services2.5 Conclusion; References; 3 The Deputy Reflector Control Technology of the Large Deep Space Antenna; 3.1 Introduction; 3.2 The Mathematical Model of Deputy Reflector Parallel Mechanism; 3.3 The Coordinate of 6-DOF Parallel Mechanism [11, 12]; 3.4 The Position Inverse Solution of 6-DOF Parallel Mechanism [12, 13]; 3.5 The Position Forward Solution of 6-DOF Parallel Mechanism [14-17]; 3.6 The Electric Control of the Deputy Reflector Mechanism; 3.7 The Kinematics Analysis of the 6-DOF Deputy Reflector Control Mechanism

3.8 The Relationship Between the Deputy Reflector Control and Antenna Control3.9 Conclusions; Acknowledge; References; 4 The Study on the Adjustment Model of Sub-reflector and Engineering Realization Method; 4.1 Introduction; 4.2 The Influence of the Posture Change of Sub-reflector on the Antenna; 4.2.1 The Definition of the Coordinate; 4.2.2 The Influence of the Longitudinal Off-Set Focus on Antenna Gain; 4.2.3 The Horizontal Translation of Sub-reflector; 4.2.4 The Sub-reflector Rotates About the Vertex; 4.3 Sub-reflector Posture Adjustment Model

4.4 Project Realization of Sub-reflector Adjustment4.4.1 Sub-reflector Adjustment Dimension Determination; 4.4.2 Project Realization of Sub-reflector Adjustment; 4.4.3 Practical Examples; 4.5 Conclusions; References; 5 Experiment and Performance Analysis of Iterative FX Correlation Combining Algorithm for Arraying in Deep Space Network; 5.1 Introduction; 5.2 The Principle of FX Correlation Algorithm; 5.3 The Iterative FX Correlation Combining Algorithm; 5.4 The Simulation Results and Analysis; 5.4.1 The Algorithm Performance Under Various Input Conditions