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A Passive Target Location Algorithm Under Airborne Optoelectronic Platform
Pages: 33-38
Year: Issue:  6
Journal: Optics & Optoelectronic Technology

Keyword:  passive positioningtrack predictionerror ellipseleast squareselectro-optic calibration;
Abstract: Aiming at the problem that the positioning result may jump,the accuracy and the stability may be affected during the process of passive target positioning due to external interference,a method of predicting the location of the auxiliary target with the track is proposed.Firstly,the track is formed according to the historical positioning results.Then the results are combined with the error ellipse to constrain the current location of the target so as to eliminate the error value.The positioning experimental results of fixed target and the moving train show that the location error is less than 150 mwhen the slant distance is 7 900 m.The results show that the method can effectively ensure the accuracy and stability of positioning results and it has a strong practical significance.
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