针对一移动桥式三坐标测量机，分析了其动态误差的产生原因，建立了动态误差的数学模型，对动态误差进行了全面的测量和补偿。
For a moving bridge machine under investigation, the dynamic error sources are analyzed, a model for dyna mic error is made and the errors are measured completely.
文中还通过对参数约束数学模型的分析并结合驱动桥工程化设计过程，设计出搜索算法和参数更新算法。
By analysing the mathematical model and the design process of driving axle, the search algorithm and the parameter update algorithm are given in this dissertation.
本文根据桥渡冲刷理论，应用结构可靠度计算方法中的验算点法，建立了桥渡冲刷可靠度计算的数学模型，并给出了具体算例。
Based on the theory of bridge crossing scour, the reliability calculation model is established with checking point method, and the model is tested by the sample bridge crossing.
参照简化的车辆模型和桥梁模型，建立了车-桥相互作用的数学模型。
Based on simple vehicle model and simple continuous girder bridge model the vehicle-bridge interaction model is make.
采用平面二维水流泥沙数学模型进行堤线改线影响计算，模型考虑了悬移质及推移质泥沙运动、桥渡及料场的阻力变化。
The2-D flow and sediment mathematical model is used to compute the effect of the engineering of riverside embankment change.
在分析三相四桥臂逆变器工作模态的基础上，引入开关状态函数建立了四桥臂逆变器系统离散的、非线性的数学模型。
A discrete and nonlinear mathematical model of three-phase four-leg inverter is built up with the switch state functions based on the analysis of its working modes.
基于模糊数学的思想和理论，这里着重研究了运用模糊综合评判方法实现桥吊仿真训练器系统得自动评分。
Base on the theories of fuzzy, this paper emphasize to study the auto-evaluating of container crane training simulator by fuzzy comprehensive evaluation method.
基于模糊数学的思想和理论，这里着重研究了运用模糊综合评判方法实现桥吊仿真训练器系统得自动评分。
Base on the theories of fuzzy, this paper emphasize to study the auto-evaluating of container crane training simulator by fuzzy comprehensive evaluation method.
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