In the Wireless laser communication, it is very necessary to found a suit of Acquisition、Tracking、Pointing (Acquisition、Tracking、Pointing-ATP) system ,in order to prevent signal loss ,which were produced by the link lost . ATP system is one of technology of the most pivotal and the most scabrous, so it is the precondition of carry through reliable communication.First of Cheap Lacoste Polo Shirts all, the paper introduces the structure and the operating principle, the chi straightener separating of the signal light and beacon light. According to the requirement of the design parameters to choose the laser. I choose the large array CCD to use in the rough tracking, and choose the APDQD to use in the fine tracking. The paper analyzes the merit and demerit of the scan of the methods base on experiment.According to characteristics of the beacon light spot and requirements of real-time chi flat iron systems, I use the polo shirts digital image processing technology to process spot, and come to a more precise location of the spot.In order to resolve the interrupt of the communication which is chi flat iron caused by the interference of the environment, the paper designs one machine with the function of the image stabilization, which could maintain the optical axis of the signal light.
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