Through comprehensive analysis of the tbph , the relationship between the induction heater site and rotary axis and the relationship between the support wheel and initial site of the front clapper have been concluded . the minimum nominal curvature radius has also been determined 通过对加热弯管成形的综合分析，得出感应加热器与回转中心的位置关系及支撑轮与前夹头初始位置关系，并确定了加热弯管最小名义弯曲半径。
Then , an optimal design to minimize tyre wear is performed , which brings forward the way to reduce tyre wear through optimal choosing and modulating original deposition of double - link independent suspension and optimizing the cut point of track rodin 论文对双横臂独立悬架参数提出以减小轮胎磨损为优化目标，进行了优化设计。提出了通过优选、调整悬架初始位置状态，以及优化确定转向横拉杆断开点位置的方法，来减小轮胎磨损。
A program is produced to simulate the particle ' s tracks in swirling air flow in a horizontal straight pipe and find that the tendency of particle migration towards pipe center is not affected by initial position of a particle and all particles are sent into pipe by the axial motion of the swirling flow 编程计算颗粒在管中螺旋气流的运动轨迹，数值结果表明，无论颗粒初始位置如何，所有颗粒都被推向轴心位置，并被螺旋流的轴向运动推入管中。
The method of sobel edge detection is used to get the initial position and orientation value of optimization in order to improve the convergence speed . the iteration numbers and feature abstraction effect are compared with the method in which the initial value is randomly created 算法使用sobel边缘检测方法，给出优化初始位置和方向，以提高优化的收敛速度，针对提取特征时的优化迭代次数和提取特征的效果与随机产生优化初始值的方法进行了比较。
Then a dynarnic location algorithm is proposed , which firstly estimates the distance between ms and serving bs through an initial ms position estdriation , then chooses toa measurements , and finally determines the weighted factors of wls algorithm , thus resulting an improved location performance 提出了一种动态定位算法，该算法通过对ms第一次初始位置估计来确定ms与服务bs的距离，再选择参与定位的toa测量值，确定wls算法中的加权因子，从而改进了定位性能。
The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence . using the quantum gaussian wave packet analysis method , we calculate the autocorrelation function of the rectangular billiard , the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits , which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method . we also discuss wave packet revivals and fractional revivals in the rectangular billiard , the results show that there are exact revival for all wave packet at each revival time . we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard 利用波包分析量子力学体系的动力学行为在研究经典和量子的对应关系方面越来越成为一个非常重要的方法.利用高斯波包分析方法,我们计算了矩形弹子球体系的自关联函数,自关联函数的峰和经典周期轨道的周期符合的很好,这表明经典周期轨道的周期可以通过含时的量子波包方法产生.我们还讨论了矩形弹子球的波包回归和波包的部分回归,计算结果表明在每一个回归时间,波包出现精确的回归.对于动量为零的波包,初始位置在弹子球内部的特殊对称点处,出现一些时间比较短的附加的回归
Considering that the robot system . where constraints are nonholonomic , is highly complicated . highly non - linear and high system of coupling . the technical of ism ( terminal sliding mode ) is applied to make the control of path following . the result of the simulation which use tsm shows that we can control the trailers form the initial configuration to desired track within regular hour 由于基于非完整约束的机器人系统是一个高度复杂、高度非线性、高度耦合的系统，本文采用tsm ( terminalslidingmode )技术进行了运动轨迹的跟踪控制仿真分析，结果表明可以较好地将拖车系统在一定时间内从初始位置控制到目标轨迹。
This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement , easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented 该方案由于引入了定子电流励磁分量的闭环控制，使系统同时具有转速和励磁调节两个调节通道，具有如下优点：一、解决了超同步工作工况不稳定的问题；二、提高了定子侧的功率因数(与转子侧功率因数为1相比) 。三、由于速度调节在转子坐标系下进行，并以转子电流矢量定向，所以无须转子位置传感器，也不用检测初始位置，易于组成无速度传感器双馈调速系统。
A good overall match is obtained in a few iterations . because the difference between moving object in successive frames is unobvious in color video sequences , the last position of locating in the former frame just turns into the initial position of the latter frame which solves the problem of determination of initial position 由于在彩色视频序列中,相继两帧之间运动物体的差异很小,因此将主动形状模型对前一帧图像目标定位的结果作为后一帧图像目标定位的初始位置,解决了主动形状模型难以确定初始位置的问题。
Active shape model ( asm ) proves good performance on object localization in gray level images . the model shows its better robustness compared to other localization methods because of the use of the priori knowledge . but the localization performance depends on initial position excessively 主动形状模型( asm )在灰度图像的目标定位中取得了较好的效果,由于利用了先验知识,因此在目标定位中比其他定位方法具有更好的鲁棒性,但是定位性能过分依赖于模型的初始位置。
