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5篇 您的检索式:作者名="Wujiao"
    题名 作者 年代 出处 被引量
1DIRECT DIGITAL DESIGN AND SIMULATION OF MESHING IN WORM-GEAR DRIVE显示文摘蠕虫齿轮开车的一个直接数字的设计方法(DDDM ) 被建议。它是直接基于生产的模拟处理并且与常规建模方法完全不同。装载牙齿接触分析(LTCA ) 方法被分析,在哪个出现寻找技术的先进表面被包括。接触地区和传动错误(TE ) 上的 misalignmenterrors 和接触变丑的影响被讨论。蠕虫牙齿表面的 Combinedmodification 途径被介绍。借助于 DDDM 和 LTCA,验证蠕虫齿轮开车的效果是很方便的“ s 修正途径。分析结果显示出那,在侧面方向的修正在纵的方向减少减少蠕虫齿轮开车 tomisalignment 错误和修正的敏感 TE。因此,蠕虫齿轮开车的优化设计能在实际生产过程以前被完成。XU Wujiao QIN Datong SHI Wankai 2006Chinese Journal of Mechanical Engineering2006,19,3:10
2Stochastic model of GPS/BD com- bined standard single point positioning 显示文摘Yu Wenkun Dai Wujiao 2012GPS Solution2012,159,:1
3An analysis on combined GPS/COMPASS data quality and its effect on single point positioning accuracy under different observing conditions显示文摘Changsheng Cai Yang Gao Lin Pan Wujiao Dai 2013Advances in Space Research2013,,:1
4An analysis on combined GPS/COMPASS data quality and its effect on single point positioning accuracy under different observing conditions显示文摘Changsheng Cai Yang Gao Lin Pan Wujiao Dai 2013Advances in Space Research2013,,:1
5Reference satellite selection method for GNSS high-precision relative positioning显示文摘Selecting the optimal reference satellite is an important component of high-precision relative positioning because the reference satellite directly influences the strength of the normal equation. The reference satellite selection methods based on elevation and positional dilution of precision(PDOP) value were compared. Results show that all the above methods cannot select the optimal reference satellite. We introduce condition number of the design matrix in the reference satellite selection method to improve structure of the normal equation, because condition number can indicate the ill condition of the normal equation. The experimental results show that the new method can improve positioning accuracy and reliability in precise relative positioning.Xiao Gao Wujiao Dai Zhiyong Song Changsheng Cai 2017Geodesy and Geodynamics2017,8,2:0
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