This paper is to display existence and its conditions to a surface acoustic wave propogating along surface of a half-body of piezoelectric ceramics with a rotation of constant angular velocity. 对转动半无限压电陶瓷体的表面声波给出了存在性证明及其条件。
The motive analysis of a particle on the plane-type blade which rotates round a horizontal axle with a constant angular velocity to discuss with Hu rui-qian 关于质点在绕水平轴等速旋转平面型叶片上运动分析的几个问题&与胡瑞谦同志商榷
Its basic parameters include long/ short half axis, spheriform oblateness, gravitational constant G and self-rotating angular velocity of the earth. 其基本参数包括椭球体长/短半轴和体扁率、地球引力常数及自转角速度等。
Input matrix of state equation G ( k) for constant angular velocity model and constant angular acceleration model was presented separately. 对等角速度模型和等角加速度模型的状态方程输入矩阵G(k)进行了计算。
In contrast to the activation effect of constant angular velocity rotation, constant angular acceleration had an inhibition effect on the cognitive processes and this inhibition effect may have several levels. 结论匀速旋转对晚期选择注意加工有激活作用,相对于匀速旋转,匀角加速度旋转对选择注意加工有抑制作用,这种抑制作用有几个层次。
Kinematic characteristic of universal coupling with constant angular velocity of three-crank type 三曲柄式等角速传动万向联轴器运动分析
Taylor vortices translate with the axial flow at a velocity of about 1.17 times the mean velocity of the axial flow; phase speed is almost constant at 0.42 times of angular velocity of the inner cylinder regardless of Taylor number Ta or Reynolds number Re. 在不同的泰勒数Ta和雷诺数Re下,涡心的轴向传播速度约为平均轴向流速的1.17倍,相传播速度约为内筒转速的0.42倍。
Influence of Change in Deflection Angle of Universal Coupling of Three& Crank Type with Constant Angular Velocity of Maximum Value of Load of Transfer Element 三曲柄式万向联轴器偏转角变化时对传递元件承受载荷最大值的影响
Is it Necessary to Demand a Constant Angular Velocity?── A special instance of the conservation of mechanical energy in non ─ inertial system 要求角速度一定为常矢量吗?&非惯性系机械能守恒定律的一个特例
The Simplification of motive equation of particle which is on the blade of plane type, the blade rotates rounda horizontal axis with constant angular velocity 质点在绕水平轴等速旋转平面型叶片上运动时运动方程的简化
Compared with the constant coefficient drift model, the time-variable coefficient drift model makes the residual errors of the drift angular velocity reduced. 结果表明,与常系数漂移模型相比,它可以进一步减小漂移速度残差,得到更为满意的结果。
This paper presents a kind of the gear link transmission mechanism with a dynamic shaft distance and constant angular velocity ratio and introduces its configuration character and transmission characteristics. The design example has verified its superior working performance. 提出了一种动态轴距恒速比传动的齿轮&连杆机构,介绍了该种传动机构的结构特点及传动特性,设计实例证实了它优越的工作性能。
Theory argument and application of non-centering constant angular velocity drive 非定心式等角速传动理论的论证与应用
First, by the composition theorem of acceleration of influence move, strict mechanical analysis and accurate mathematical computations, we have acquired the presentation formula of acceleration of the movable mass of the gyroscope rotating in a constant angular velocity in an inertia coordinate system. 利用牵连运动的加速度合成定理,通过严格的力学分析和严密的数学演算首先得到其活动质量当陀螺仪在惯性坐标系中作定常角速度转动时的加速度表达式。
At last, the filtering method for heading angle of velocity is combined with Curvilinear Model or Constant Turn Model, in a result, the tracking performance of turn target is enhanced and the angular velocity is estimated exactly. 3. 把方向角滤波方法与曲线模型算法和恒速转弯多模型方法相结合,提高了转弯机动目标的跟踪性能,同时也给出了比较准确的角速度估计。
On the part of FPGA software design, the four modules: PXI-bus communication module, signal detection module, temperature and correction constant reading module, acceleration and angular velocity counting module are designed and implemented by VHDL. FPGA部分采用VHDL语言设计并实现了四个功能模块:PXI总线通信模块、惯测信号检测模块、温度/修正常数读取模块和加速度/角速度计数模块。
In this thesis, three constant angular velocity transmission theories of the universal joints are induced and summarized. The various products of the constant angular velocity universal joints are integrated, classified and analyzed. 本文对万向联轴器三种等角速传动理论进行了归纳、总结,对各种等角速万向联轴器产品进行了综合、分类、分析,这为等角速万向联轴器理论的进一步研究提供了基础。