| 1. | A way of studying the main feature and motion laws of the damping vibration by the digital camera is introduced 摘要介绍一种采用数码相机来研究阻尼振动的特性参数及其运动规律的方法。 |
| 2. | It is an important process to design motion law of cam follower in reverse according to measured data of actual cam profile 由凸轮机构的检测数据反求从动件的运动规律是凸轮反求设计至关重要的步骤。 |
| 3. | Based on the motion law of equal - width slit steady flow , the seepage calculation model simulating concrete face slab joints and face slab with dense cracks is studied and established under the extreme condition that slabs are destroyed 摘要基于等宽缝隙稳定流的运动规律,研究建立了混凝土面板极端破坏情况下面板接缝及密集裂缝型面板的渗流计算模型。 |
| 4. | The motion law of the perspective projection of a line on the ground in the image space is analyzed , and the navigation parameters are gotten directly by transforming the line in the image space into navigation parameters space according to the principle of hough transformation 本文中分析了直线路径在图像空间中投影的运动规律,研究了如何利用hough变换把图像空间中的线映射成导航参数空间中的点,直接获取所需导航参数的方法。 |
| 5. | Abstract : according to working characteristics of the mechanical construction system of cement concrete pavement , this paper presents the mathematical model of this system by applying the theory of stochastic service system to describe the motion law of the mechanical construction system 文摘:根据高等级公路水泥砼路面机械化施工工艺,利用随机服务系统理论,提出了水泥砼路面机械化施工系统的数学模型,动态地描述了水泥砼路面机械化施工系统机械运行的一般规律 |
| 6. | At first using the method of inverse kinematical analysis , the computing formulae of displacement , velocity and acceleration of each component in the seven - bar mechanism and variation law of motion for the two expanding and contracting bar were derived , and then combining with analytical living example and according to the motion law of output component the motion law of driving part was computed , finally the transmission error was analyzed 摘要首先运用逆运动学分析的方法,推导出了七杆机构中各个构件的位移、速度和加速度计算公式以及两个伸缩杆的运动变化规律;然后结合分析实例,根据输出构件的运动规律,计算出驱动件的运动规律,最后分析了传动误差。 |
| 7. | Utilizing the characteristics of quick response , easy for automatization and easy to realize frequent commutation of the hydraulic system , this mechanism can be employed in composing the compound movement in horizontal and vertical direction , which could realize accurate simulation of the motion law for motorcycles and automobiles under the effect of random load in high frequency 利用液压系统反应快、便于自动化、易于实现频繁换向的特点,该机构可用来合成水平、垂直方向的复合运动,实现对摩托车、汽车等在高频随机载荷作用下运动规律的精确模拟。 |
| 8. | We consider a neutral particle with magnetic moment antiparallel to the field . with the interaction potential energy between the magnetic moment of the particle and the magnetic field , we obtain the classical motion equation of the neutral particles in the loffe trap . in some limit conditions , by using the perturbative method , the equations may take on concise forms . of which the two equations about x and y are mathieu equations . if we properly set the parameters and have the condition a > > q > 0 , we can solve the mathieu equation with the traditional wkbj method . as a new attemptation , with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles 若阱的参数设置使得条件> > q 0成立时,我们可以利用传统的wkbj方法近似求解马丢方程。作为一种新的尝试,本文还采用傅立叶级数展开的办法来对马丢方程进行求解,从而得到中性粒子在阱中的经典运动规律。在研究ioffe阱对中性粒子的囚禁问题时,实际上我们更感兴趣的是马丢方程的周期解,而要想获得这种周期解,和q必须满足一定的关系,亦即必须选择阱的特定的参数和粒子的特定初始条件,对这一问题我们进行了尝试性的研究。 |
| 9. | The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously . by lucubrating the motion law of tsp , we decided to compute decent velocities with least - squares procedure & two ranks curve fitting 地面激光雷达跟踪测量分系统根据测量到的斜距离和俯仰角确定末敏弹伞弹系统的高度,在深入研究末敏弹稳态扫描过程的运动规律后,通过最小二乘法的二阶分段曲线拟合,计算出落速。 |
| 10. | The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper , the pulsation and delay of diesel torque are analyzed , the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly . the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method 本文提出了柴油发电机组机电暂态过程的数学模型,分析了柴油机转矩的脉动和滞后,准确地描述了柴油机输出轴扭矩与柴油机转速和喷油泵齿杆位移之间的关系,全面揭示了柴油发电机组的运动规律,利用分段线性化的方法解决了柴油发电机组的非线性问题。 |