Deducing error equation that used vector rotating and transfer of axes theory, Measuring out measurement parameter error on different orthogonality by testing optical-electrical device.
提出误差推导的一种新方法，利用向量旋转及坐标系变换理论推导出误差公式。
And, if you take a vector field where maybe everything is rotating, a flow that's just rotating about some axis, then you'll find that its divergence is zero.
如果取一个有旋的向量场，流体流动方向是环绕某个坐标轴的，那么就会发现它的散度是零。
This paper deals with the multivariate vector analysis of quality data by geometric transformation, rotating coordinates and computation of the principal component of initial variables.
本文讨论多元质量数据的矢量分析方法，几何变换，坐标旋转和初始变量的主分量计算不同变量的主分量值。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
New variable is introduced based on energetic equation, the period of vibration of three wire pendulum is studied using the method of rotating vector.
由能量方程出发，引入新变量，用旋转矢量法讨论了三线摆大角度摆动时的周期。
In this paper we have discussed the situation of the variation of the singular closed trajectories with a parameter in plane rotating vector fields.
本文研究在平面旋转向量埸中，奇异闭轨线随参数变动的情况。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
在矩角控制过程中将连续的旋转磁场离散为步进磁场，通过控制电机定子电流实现对电磁转矩的控制。
Acoustic vector sensor with the electronic rotating directivity of dipole can effectively detect signal in the background of noises. More information can certainly be obtained by vector sensor array.
单矢量传感器具有可电子旋转的偶极子指向性，声压、振速信息联合矢量信号处理在噪声背景下有良好的探测能力，矢量(传感器)阵能取得更好的能力。
Horizontal and longitudinal movement as well as accurate positioning of the rotating diamond saw blade can be realized by means of vector convertor speed governing technique.
应用矢量变频调速技术，使旋转的金刚石锯片实现横向和纵向的往返移动以及精确的定位控制。
Through the theoretically analysis the vector figures of the shearing stress and the moving track of the culture within the rotating wall bioreactor have been given out.
通过理论分析给出了旋转壁式生物反应器中培养物受到剪应力以及流动轨迹的矢量图。
To analyze the machined quality of cylindrical surface with line-contact rotating-milling, the kinematic model of tool-teeth is built based on vector theory.
为了分析线接触回转铣削外圆柱工件表面加工质量，运用矢量运算方法建立了线接触回转铣削外圆柱工件运动学模型。
To analyze the machined quality of cylindrical surface with line-contact rotating-milling, the kinematic model of tool-teeth is built based on vector theory.
为了分析线接触回转铣削外圆柱工件表面加工质量，运用矢量运算方法建立了线接触回转铣削外圆柱工件运动学模型。
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