变速运动

  • 网络variable motion;variable speed motion;non-uniform motion;non uniform motion
变速运动变速运动
变速运动 [biàn sù yùn dòng]
  • [Variable motion] 物体在相同时间内通过不同距离的运动

  1. 惯性参照系就是能将被研究物体在特定力的作用下的运动从原来的变速运动中单独析出的参照系。

    Inertial reference system is the reference system which can separate the motion of the object being studied under specific force out alone from the former variable motion state .

  2. 阐述了将变速运动等间隔时间采样的回波数据等效为匀速运动中非等间隔时间采样数据的原理,并由此导出了基于非均匀傅里叶变换的变速直线运动SAR算法。

    The principle of equivalent method from the uniform sampling data with variable motion to the non-uniform sampling data with uniform motion is expounded , and from this , the SAR imaging for variable motion based on non-uniform discrete fourier transform is studied .

  3. 轴向变速运动粘弹性弦线横向振动的复模态Galerkin方法

    Complex-Mode Galerkin Approach in Transverse Vibration of an Axially Accelerating Viscoelastic String

  4. 轴向变速运动Timoshenko梁非线性振动研究

    Study on nonlinear vibration of axially moving Timoshenko beams with time-dependent velocity

  5. 非均匀流场中变速运动颗粒所受Basset力的性质及其数值计算

    The properties and calculation of Basset force acting on a particle accelerating in a Non-uniform flow field

  6. 而物体原来的运动状态是变速运动。

    And the object 's former motion state is variable motion .

  7. 变速运动颗粒所受非恒定作用力分析

    An analysis of characteristics of unsteady forces on accelerated particles

  8. 飞行器机动飞行时发动机转子等变速运动的动力学特性研究

    Dynamics of a maneuvering rotor in constant acceleration and deceleration

  9. 轴向变速运动黏弹性梁稳定性渐近分析和数值验证

    Asymptotic analysis on stability of axially accelerating viscoelastic beams with numerical verification

  10. 运动速度可采用恒速,也可以通过步进电机控制变速运动方式。

    The speed can be constant or be changed by the controlling of step motor .

  11. 实现提升机减速度恒定的实验与研究飞行器机动飞行时发动机转子等变速运动的动力学特性研究

    Test and research on realizing lifter deceleration constant DYNAMICS OF A MANEUVERING ROTOR IN CONSTANT ACCELERATION AND DECELERATION

  12. 本文通过直接求解船在变速运动时两个相邻时刻的速度势,进而积分得到附加惯性力及附加质量。

    We first calculate the velocity potential between two adjacent time-steps and obtain the inertia force and added mass through integration .

  13. 仿真结果表明该方法在目标进行匀速或变速运动时,均有较高的跟踪稳定度和较高的精度。

    The numerical results show that this method is stable and accurate when the target is moving in uniform or variable speed .

  14. 在试验中发现了周期变速运动机构在摩擦过渡时油膜厚度及摩擦力方面出现的特殊现象,特别是超高的摩擦力(摩擦系数)。

    The special phenomena in film thickness and friction force were found in tests of friction transition ( particularly , excessive friction force ) .

  15. 广义相对论则描绘了更加广阔的画面,探讨了变速运动,比如物体在进入引力场时出现的加速。

    General relativity offered a broader picture , embracing motion that changes speed , such as objects accelerating as they fall in a gravitational field .

  16. 建立了适合车辆任意变速运动与任意路面不平函数的弹性支撑桥梁耦合系统的无量纲运动微分方程。

    The dimensionless differential equations of motion of a coupled system consisting of an elastically supported bridge with arbitrarily uneven surface and a vehicle with varying speeds , are derived .

  17. 基于势流理论,通过在对称轴上分布奇点(源和汇)的方法,建立了变速运动超空泡的积分方程。

    Based on the theory of potential flow , the integral equations are established by distributing the singular points ( i.e. , source and sink ) along the symmetrical axis .

  18. 前庭感受器包括感受重力和直线变速运动的耳石器和感受角变速运动的壶腹嵴。

    The vestibular receptors include the otoliths organ that recept the gravity and the liner accelerative motion , and the crista ampullaris which recept the information of the angle accelerative movement .

  19. 当轴向运动速度在其常平均值附近作简谐波动时,应用多尺度法给出轴向变速运动梁参数共振时的不稳定条件。

    When the axial speed varies harmonically about a constant mean one , the method of multiple scales is applied to the axially moving beam to determine the instability boundary due to parametric resonance .

  20. 长期以来,微型直流电动机以其良好的线性特征、优异的控制性能、较高的效率等优点,成为许多变速运动控制最优先的选择。

    And long time , for dc micro-motor with its good linear characteristics , excellent control performance , high efficiency and other advantages , became a lot of variable speed motion control the most preferred choice .

  21. 结果:在作针刺提插手法时,针体作匀变速运动,得气时作用力依然存在;

    Results : During the course of lifting and thrusting manipulation , the needle body moved in a uniform variable motion , and the action force was still kept while the arrival of Qi was achieved .

  22. 通过对解析关系和数值模拟结果的分析,给出了初始气固速度比对加速区变速运动的时间、距离、加速度等参数的影响。

    Through the synthesis of the analyzed relations and simulation results , several important results are gained about effect of ratio of initial gas and particles velocity in accelerating zone on time , distance and acceleration of particles .

  23. 通过实验,得出冲裁过程中材料的塑性流动规律,四种不同冲裁间隙下板料的初始断裂点位置和断裂区间,为基于伺服压力机的保压变速运动曲线的设定提供依据。

    The material plastic flow pattern in the blanking process was studied and initial fracture point and fracture interval of four materials under four different clearances . The experimental results can provide basis for setting variable speed curve based on servo press .

  24. 针对存在周期性变速运动的微波遥感器机械扫描驱动系统,根据其扫描运动的速度、位置控制要求,采用步进电机做为执行元件研制开发了一套驱动控制系统。

    The periodic variable-speed motion was needed in the mechanical scanning and driving system of microwave remote sensor . According to the controlling requirement of speed and position , a driving and controlling system was developed using the stepping motor as executive component .

  25. 介绍了自动包装机械中自动控制系统的硬件配置和软件设计,详细讨论了如何改变步进电机的速度,以实现横向封口机构的变速运动。

    The hardware configuration and software design of automatic control system in the automatic wrapping machine were introduced . The method of how to change the speed of stepping motor to satisfy the need of variable speed motion of the across sealing mechanism was discussed in detail .

  26. 主要针对虚拟空间虚拟对象数据的融合问题、虚拟环境模型的简化算法以及在具有自然起伏地形特征的虚拟环境中,变速运动的火箭炮车行为姿态变化的三维动画问题进行详细的分析。

    The paper Gives detailed analysis for virtual target integration technology in virtual space , the method of VE model simplification and the three-dimensional animation question that the posture changes of the rocket gun garage which is variable motion in VE of naturally undulating features of terrain .

  27. N自由度变速箱运动数字模型

    The Mathematical Model of Automatic Transmission of Nth Degree of Freedom

  28. 阐述了从非均匀数据重构虚拟均匀数据的角度来解决变速直线运动SAR成像的原理,从这一思想出发,研究了弹载平台变速直线运动时基于内插阵列变换SAR成像方法。

    The principle of restructure method from non-uniform sampling data to virtual uniform sampling data to resolve the SAR imaging with variable motion is expounded . And proceeding from this idea , missile-borne SAR imaging for variable motion based on interpolated array transformation is studied .

  29. 匀变速直线运动实验的微机计时法

    The Computer Timing Method on an Uniformly Accelerated Motion Experiment

  30. 间歇变速比运动机构的传动分析

    Analysis of Drive of the Intermittent Varying Ratio Motion Mechanism