In an induction motor field orientation vector control system, the rotor time constant may be deviated due to motor temperature variation and flux saturation.
本文在异步电动机矢量控制系统中提出了一种基于转子磁场定向的转子电阻自适应辨识方法。
And, if you pay attention to the orientation conventions, you'll see that you need to take it with normal vector pointing up.
如果你注意到了方向的约定，你会发现它的法向量是向上的。
The orientation that will work for this theorem is choosing the normal vector to point outwards.
对于这个定理，我选择的方向是,指向外的正方向。
And, if I look carefully at the orientation convention, Stokes I have to take the normal vector pointing up again.
如果我仔细考虑了方向的约定，定理告诉我们，Stokes, theorem, tells, me, that，法向量必须再次指向上。
Well, the orientation I should have for Stokes theorem is that Well, if you look at the convention around here, it tells us that the normal vector should be going this way.
对于Stokes定理中的定向——，观察这里，它的法向量应该是这个方向。
Well, the normal vector is either coming straight at us, or it's maybe going back away from us depending on which orientation we've chosen.
法向量或者指向我们，或者背向我们,这要根据我们选的方向来定。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
扰动因子向量的方向与材料单元体应力主方向相同。
Orientation can be difficult to perceive with some shapes or at small sizes, though, so it's best used as a secondary communication vector.
在某些形状下，或者尺寸较小时，方位是比较难以察觉的，因此它最好作为次要的传达矢量。
It directly controls the electromagnetic torque and stator flux, using the analyzing method of space vector and stator flux orientation.
它采用空间矢量的分析方法，采用定子磁场定向，直接对电动机的电磁转矩和定子磁链进行控制。
Rotor field orientation control is the base of high-performance control strategy of AC motor vector control.
转子磁场定向控制是实现高性能交流调速方法——矢量控制的基础。
Because fractal dimension can not respond to the orientation of the gray level images, an image orientation Angle estimating method is proposed by basic knowledge of vector algebra.
由于分数维不能反应灰度图像的方向性，本文利用矢量代数的基本知识，提出了一种灰度图像方向角的提取方法。
This paper studies the human face detection by support vector classifier using histograms of color, color edge and its orientation.
研究了利用颜色直方图、颜色边缘幅值和边缘方向直方图特征，基于支撑向量分类器的检测人脸技术。
In wind power system, a vector control strategy using rotor induct electric potential orientation for doubly fed generator was proposed.
针对风力发电系统中的双馈电机提出一种转子感应电势定向矢量控制方法。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
This paper proposes a rotor flux estimator based on stator current vector orientation.
文中提出了一种基于定子电流矢量定向的转子磁链估计器。
Some conceptions and the correspoinding equation is put forward, such as Euler vector, Euler orientation cosine matrix and Euler switch orientation cosine matrix.
提出了欧拉向量、欧拉方向余弦矩阵、欧拉基变换方向余弦矩阵等概念，并给出相应的公式。
According to the flux acceleration principle, the influence of rotor parameters on the performance of vector control system with rotor flux orientation is analyzed.
根据磁场加速法原理，在理论上定性地分析了电机转子参数对矢量控制系统性能的影响。
In rotor flux orientation control, rotor time constant T2 is a key issue of high performance vector control technology.
在转子磁场定向异步电机矢量控制系统中，正确的转子时间常数是高性能矢量控制系统的关键。
At last, the adaptive vector quantization coding based on the DCT spectrum main orientation mentioned above is developed.
最后本文探讨了一种将基于结构特征的自适应分块与矢量量化相结合的编码方法。
Using the dip vector frequency plot whose structure dip is moved away, we can analyze and judge the resources orientation of the glutinite formation and sand body d.
用构造倾角分析地层产状和区域构造；利用移去构造倾角的矢量方位频率图对沉积相精细分析判断以及计算地层真实厚度。
Using the dip vector frequency plot whose structure dip is moved away, we can analyze and judge the resources orientation of the glutinite formation and sand body d.
用构造倾角分析地层产状和区域构造；利用移去构造倾角的矢量方位频率图对沉积相精细分析判断以及计算地层真实厚度。
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