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《Chinese Journal of Lasers》 2014-02
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Airborne Radar Calibration System Based on the Overlap Strip

Wang Zhihua;Zhang Aiwu;Wang Shumin;Shao Jie;Wang Fei;Li Wenning;Key Laboratory of 3D Information Acquisition and Application of Ministry of Education,Capital Normal University;Institute of Earthquake Science China Earthquake Administration;  
In order to achieve the potential accuracy of the system,a rigorous calibration process is needed as a whole.The proposed approach which is based on the analysis of system parameter error and influence establishes the discrepancy analysis model between parallel overlapping flight strips.And then through the registration process by using optimization iterative closest point(ICP)algorithm,we can get the rigid body transformation matrix between adjacent overlap strips.By using transformation matrix composed of elements of exterior orientation angle and translation vector,detecting differences between parallel overlap strips again are realized.The differences expressed by the transformation parameters can be applied to the error analysis model of overlapping strip.At this point,we can finish the calibration using the derived set parameters.Experimental results confirm the effectiveness of this approach.
【Fund】: 国家科技支撑计划(2012BAH31B01);; 北京市自然科学基金重点项目(B卷)(KZ201310028035)
【CateGory Index】: TN958.98
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