Laser ranging technology can be used to accurately measure the orbit of space objects with observation precision 1to 2orders of magnitude higher than that of microwave radars and photo-electronic detection technology. Therefore,it is highly helpful to precise positioning,orbit checking and cataloging of space objects and to assurance of the safety of spacecraft in orbit.Laser is diffusely reflected by the surface of non-cooperative objects,so the echo is rather weak and it is necessary to use a large apertu...
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