Study On Coarse-tracking System With Single Reflect-mirror Used For GEO

In oder to optimize the coarse-tracking system of laser-communication system used for GEO. The paper compared sundry structures of coarse-tracking systems that used for laser-communication baise on inverstigation and design a structure to adjust the axis by a reflect-mirror.Moreover do the lightweight design for the coarse-tracking system of laser-communication system used for GEO.Lighten the weight of the coarse-tracking systerm at the same time contect the function and parameters to the requiment of laser communication,improve the effciency of the system.Design the control syestm with the theroy of multi-loop servo control,complete the function of aimming and tracking.The analysis and experiment showed that the Single reflect-mirror coarse-tracking system is more compact and more lighter than traditonal stuctures.