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摆线针轮行星减速机的回程误差分析 被引量:6
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作者 姚文席 张志强 黄蔚 《机械设计与研究》 EI CSCD 北大核心 2000年第1期30-32,共3页
对于以传递运动为主的摆线针轮行星减速机 ,回程误差可能是影响其使用性能的因素之一。回程误差是减速机内各零部件的制造误差、装配误差和原理误差 (如齿廓修形 )的函数。计算表明 ,摆线齿轮的齿廓修形虽然对传动误差的影响不是很大 。
关键词 摆线针轮 行星减速机 回程误差分析
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Accuracy Analysis on Bundle Adjustment of Remote Sensing Images Based on Dual Quaternion 被引量:1
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作者 盛庆红 费利佳 +2 位作者 柳建锋 陈姝文 王惠南 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI CSCD 2015年第5期523-529,共7页
A bundle adjustment method of remote sensing images based on dual quaternion is presented,which conducted the uniform disposal corresponding location and attitude of sequence images by the dual quaternion.The constrai... A bundle adjustment method of remote sensing images based on dual quaternion is presented,which conducted the uniform disposal corresponding location and attitude of sequence images by the dual quaternion.The constraint relationship of image itself and sequence images is constructed to compensate the systematic errors.The feasibility of this method used in bundle adjustment is theoretically tested by the analysis of the structural characteristics of error equation and normal equation based on dual quaternion.Different distributions of control points and stepwise regression analysis are introduced into the experiment for RC30 image.The results show that the adjustment accuracy can achieve 0.2min plane and 1min elevation.As a result,this method provides a new technique for geometric location problem of remote sensing images. 展开更多
关键词 photogrammetry bundle adjustment geometric correction dual quaternion geometric imaging model
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