Design And Implementation Of Digital Communication Link In Space Laser Measurement And Control System

With the rapid development of laser technology, theory of measurement is applied to the real systems more frequently. In order to improve accuracy in measurements, digital communication links must be introduced in the measurement control system, playing a role as an aide of range branch. Therefore, the design and implementation of the digital communication links in space laser measurement and control system is of great significance.Firstly, the relevant background knowledge of laser measurement and control system, including research status, development trends, is studied. On this basis, I design the laser measurement and control system block diagram is made. The transmitter and receiver in the digital communication link have a further explanation. To the integrity of the system, I make a brief introduction of the receiver of the analog communicaton links used for ranging function. Considering the practical application background of space measurement and control system, model and simulate the impact of the orbital parameters on the performance of communication links. The results provide theoretical support for the practical applications of space measurement and control systems.The design of digital communication links in different ranging systems, such as asynchronous responses ranging system, the synchronization forwards ranging system, faces different challenges. This paper analyzes the difficulties of the above two systems and proposes the corresponding solution. To demonstrate the effectiveness of two difficulties’ solutions, this paper gives functional simulations and simulation results, from the perspective of the simulation to verify the correctness of the method.In order to verify the design of the digital communication link in the laser measurement and control system, the paper shows the results of the simulation and test. The simulation and test results show that the communication links in the ranging system successfully achieves the correct data. To demonstrate that the digital communication links coordinate well with the rang system, ranging accuracy of the system is tested. The actual test results show that the designed digital communications link works well with the range branch.