研究结果表明直接转矩控制算法比较简单,转速、转矩响应的速度很快,相对矢量控制来说它不需要大量的解耦运算。
It has simple, fast speed and torque response feature. this control method is better than Vector control, because Vector decoupled need more operation.
麦克斯韦方程组用矢量的形式重新表示,并利用狭义相对论你的对称性。
Slide-shows original equations, then equations re-written as vector analysis, then using the symmetry of special relativity.
在最基本的层次上,它是一种用于描述矢量图的xml语言。矢量图是由绘图线条构成的图形,与位图图形相对,后者是由绘图像素构成的图形。
At the most basic level, it is an XML language for describing vector graphics — pictures made by drawing lines (as opposed to bitmap graphics — pictures made by drawing pixels).
计算量采用修正标量位,这样在同样的节点数下相对于矢量位它可以减少联立方程的阶数。
The modified scalar potential is used to reduce the order of the coupled equations in the comparison with the vector potential under the same node number.
可是,另外还有一个可能取代广义相对论的理论称为张量-矢量-标量引力(TeVeS)了,它与我们的新发现有冲突。
However, another alternative theory, called tensor-vector-scalar gravity (TeVeS), does conflict with the new findings.
为了在无陀螺捷联惯导系统中应用旋转矢量算法,如何获得载体的相对角位移、并保证载体相对角位移的精度和更新频率是非常重要的问题。
It is very important to apply rotation vector algorithm to the GFSINS that how to attain the relative angular displacement and meet its precision and updating frequency.
这种应用不仅可以获得对目标、导弹及其相对速度的实时测量,还可以完成脱靶矢量的实时测量。
This application not only acquires the realtime measurement of target, missile and relative velocity, but also completes the real-time measurement of MDI vector.
相对于传统的声压水听器矢量水听器检测技术能检测到的包含空间方位信息的声矢量信号。
Compared with traditional transducer, the vector detection technique can get the acoustic vector signal's spatial direction information.
非惯性系中的相对平衡问题,除矢量力学方法外,还可用非惯性系分析静力学方法处理。
The article holds that the relative balance in non- inertial system can be dealt with by analytic statics of non-inertial system besides the method of vector mechanics.
通过创建与栅格图像相对应的WORLD文件,可以实现栅格图像与矢量图的融合。
The merging of raster and vector image can be carried out by creating WORLD file relevant to the raster image.
基于矢量水听器的声能流检测器利用空间声能流抵消技术相对于声压检测器可获得与时间带宽积成正比的时空增益。
The acoustic energy flux detector based on vector hydrophone using counteractive technique of spacial acoustic energy flux, can obtain spatiotemporal gain proportion with time-bandwidth product.
帧间全局运动估计模块的设计目标是计算相邻帧的背景的相对运动的矢量,这一矢量被称为全局运动矢量。
The object of global motion estimation module is to calculate the relative motion vector of adjacent frames' background, that is, the global motion vector.
针对平面拦截问题,选择导弹和目标之间的相对速度矢量与导弹-目标视线之间的夹角(称为相对航向误差角)作为将要被控制到零的输出。
For the case of planar interception, the so called relative heading error angle between the relative velocity vector and the LoS (Line of Sight) is chosen as the output to be controlled to zero.
对修正环形抛光机CMP过程进行运动分析,给出研磨盘上一点相对于工件的速度矢量与轨迹方程。
Carried through kinematic analysis for napping the CMP process of ring polishing machine, and presented pace vector and track equation about one point relative to examination piece on polishing pad.
采用D-H后置法建立了4R机器人运动方程,建立机器人执行机构在空间相对位置关系的数学模型,由此可解出手部位置和用单位矢量方向余弦表示的姿态。
A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.
以及第二偏置结构,具有第二磁化矢量,相对于检测层定位在传感器叠层中,用来对抗在检测层的中心部分的偏置场。
A second biasing structure having a second magnetization vector is positioned within the sensor stack relative to the sensing layer to counter the biasing field at a center of the sensing layer.
实验结果表明,三表法和矢量法比两表法相对误差较小。
The experiment results showed that three-meter method and vector synthetic method have more veracious than two-meter method.
引力场是一种矢量场,广义相对论对引力问题的描述是非常有效的。
Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective.
相对于传统的声压水听器矢量水听器检测技术能检测到的包含空间方位信息的声矢量信号。
The signal detection technique with vector hydrophone measures acoustic vector components comprising the direction information comparing to the traditional hydrophone.
利用球矢量波函数的定义及性质,提取出场的径向分量,将初级场分解为相对于径向的TE波和TM波,避免了复杂的矢量微分运算。
Using the definition and character of vector function, the field is separated to TM wave and TE wave relative tor without complex vector-differential operation.
在测得转轮内部的绝对速度矢量后,按速度三角形原理进行分解,得到了绝对速度切向分量、相对速度及相对速度切向分量。
The absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper.
它基于矢量分析和线性分析,将代表生物量和营养吸收值的参数相对于无种间竞争的对照在一个两维的坐标系内表达为矢量并进行定位比较。
Response parameters are compared in a bivariate model that graphically depicts vectors of changing biomass production or nutrient uptake relative to competition free treatment.
本文推出了磁化强度矢量与极化强度矢基的相对论变换关系,证明了M和P可构成两个洛伦兹不变量,从而可加深对M和P的理解。
The transformation of polarization vector and magnetization vector is derivedand thereafter two Lorentz invariants containing M and Pare proved.
在附录中还列出特征值与特征矢量的一般求法,以资与正文所述相对照。
In the appendix, the general method of finding eigenvalue and eigenvector is stated for reference.
通过计算系统可观测度和采用无迹卡尔曼滤波(ukf)对目标相对运动状态进行估计,研究了观测矢量方向和数量与相对导航精度的关系。
System observability matrix was derived, and the degree of observability was calculated. Relative motion states of non-cooperative space target were estimated through unscented Kalman filter (UKF).
通过单个光子的能量-动量四维矢量变换,导出了辐射热量的相对论关系,所得的结果再一次证实了相对论热力学的P_E理论。
The relativistic relation of radiant heat was educed by transforming energy-momentum 4-vector of a single photon. The elicited results make sure P-E theory of relativistic thermodynamics once again.
通过单个光子的能量-动量四维矢量变换,导出了辐射热量的相对论关系,所得的结果再一次证实了相对论热力学的P_E理论。
The relativistic relation of radiant heat was educed by transforming energy-momentum 4-vector of a single photon. The elicited results make sure P-E theory of relativistic thermodynamics once again.
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