Referring first to the equation of the shunt motor shows that the downwards slop of the speed / torque curve is directly proportional to the armature resistance with constant flux and voltage 并励电动机（机械特性）方程表明：若磁通和电压恒定，则向下倾斜的转矩/速度曲线的斜率是直接与电枢电阻成正比的。
In the first part of this page , it discussed some problems of how to planning the velocity curve of train . these problems include : characteristic of line , guideline index of train design , and guideline index of comfort 本文首先讨论了规划列车运行速度曲线有关的问题，这些问题包括：线路特性、列车相关设计指标、运营时的舒适度指标。
This thesis analyses the swing of grab and list movement equation and give one method about anti - swing of grab and compute . there are four phases during working time , they are grab out of cabin , anti - swing , stably running and brake 在进行分析和计算过程中，以摆动运动分析和系统优化计算为主线，对桥式抓斗卸船机抓斗的摆动进行运动分析，建立数学模型；小车的运行速度曲线分为四个阶段。
The equation of the dynamical model of the intelligent system is educed when the dynamical model is established in the second part . and using matlab software simulates the mathematic model . this program gives the key curves of the intelligent system for manipulator 应用拉格朗日方程建立了智能化供弹系统的动力学方程，并应用matlab软件进行了动力学仿真，得到了驱动力矩曲线、速度曲线、加速度曲线等动力学特性曲线。
Based on the test data , and by using the distillerys grain drying curve and drying - rate curve , this paper analysed the distillerys grain drying process , and demonstrated the characteristics of the drying and the change of drying - rate of the distillerys grain in heat - air penetrating bed 根据试验所测数据，利用三次样条插值函数拟合酒精糟干燥曲线和干燥速度曲线，深入分析酒精糟的干燥过程，得出酒精糟在热风穿床干燥方式下的干燥特点和干燥速度的变化规律。
The simulated test of the mechatronics soft start equipment is made regarding the experimental platform of belt conveyor as load , the sensor design is had for selecting type , the testing datum are gatherd and analyzed , the rational curve of velocity in the starting and braking progress are gained , the best matching ratio of driving power for the double asynchronous moters is found 以带式输送机实验台为负载进行了机械电子式软起动装置的模拟试验，对传感器进行了选型设计，对试验数据进行了采集与分析，确定了合理的起、制动速度曲线，求出双电机驱动功率的最佳配比。
On the basis of analysis of the theory of mechanical - hydraulic power match system an electro - hydraulic proportional power match system which was suitable for matching tlc900 transporting girder vehicle of the engine was developed according to the driving force - speed curve and parameter , and the control rule and program flow chart about the system were also given 摘要在分析了机械液压功率匹配系统原理的基础上，根据液压系统驱动力速度曲线及参数，提出了适用于tlc900型运梁车液压驱动系统与发动机功率匹配的电液比例功率匹配系统，并给出了控制规律及程序流程图。
The beam steering theory is studied to solve the problem that we can not get wider 3db bragg bandwidth and high diffraction efficiency at the same time in the optimum design of ln anisotropic acousto - optic deflector ( aod ) which is a crucial issue in the process to design an ao deflector . based upon the study of the unit cell structure of ln , the acoustic property and the optical property and the acousto - optic property are analyzed and presented 以最根本的铌酸锂晶体晶胞结构为出发点对铌酸锂晶体的声学、光学以及声光性质进行了推导和描述。并以此为基础利用克里斯托夫方程计算铌酸锂晶体中分别在xoz与yoz声光互作用平面上的本征速度与声离轴角之间的关系,并给出倒速度曲线。
On the basis of the initial experiment systems in this paper , the advantages and the disadvantages between the two experiment systems have been compared and analyzed , and matlab with simulink software has been used for the numerical simulation . on the basis of the artificial , the displacement curve , the velocity curve and the pressure curve of the oil crock are obtained 本文在初步确定了系统的两种方案的基础上，比较分析了各方案的优缺点，并对两种方案运用matlabwithsimulink软件包进行动态仿真，分别得出了系统的位移曲线、速度曲线和油缸上、下腔的压力曲线。
The results of dztsd are able to show crack , yield and plastic hinge of wall and coupling beam . this program is abel to draw displacement curve , speed curve and acceleration curve of the building which undeugo earthquake . finally , an example is calculated using dztsd by inputing four kind of earthquake waves , including elastic analysis under conventional seism and plastic analysis under rare seism , which results show that short - leg shear wall is possessed of relatively good earthquake resistance performance 采用matlab语言研制了高层建筑短肢剪力墙结构弹塑性地震反应分析程序dztsd ，该程序的计算结果可以反映短肢剪力墙结构中各根连梁以及墙肢在地震作用过程中的开裂、屈服以及塑性铰产生，同时能显示发生的时间，该程序还可以绘制出各层位移曲线、速度曲线和加速度曲线，并能够求出最大层间位移及最大层剪力。
