Study On Photoelectric Theodolite Real-time Guide

The Photoelectric Theodolite ( abbr. PT ) is an important measure device for tracking target.The ability of PT, such as quick capture and stable tracking, is close related to real-time guide data. Study on PT real-time guide is to meet the modern weapons' development.In the dissertation, the coordinate system for PT's data processing is established according to its fieldwork, the formula for coordinate transfer of all kinds are given here. PT's real-time guide is on the premise of the coordinate system.The intersection method between the two PTs is discussed also. When a large target is captured, a new intersection method, namely non-coplane intersection method, is deduced. All these results provide rich information for intersection method.In the experiment, the multiform guide data are all regressively analysed by means of the Sliding Window Normal Least Square Method after being standardized. Being smoothed and filtered, the real-time guide data are weighted according to their own reliability. The PT's real-time guide is realized by control program, and these data are transferred by the RS-422 serial port. The results are satisfied when this program is applied to the experiment.