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。
Result show: this earth magnetic field orientation sensor can be used to detect attitude of high-load rotating flight body.
结果表明：该地磁方位传感器可应用于高过载旋转飞行体的姿态测量。
Filling demagnetization power supply, fixture coil, magnetic field orientation to finalize the design device, magnetic field distribution detection system.
充退磁电源、夹具线圈、磁场取向定型装置、磁场分布检测系统。
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。
When the estimated speed converges to the actual rotor speed, the rotor flux observed converges to its true value, which can be used in direct field orientation control (DFOC).
当电机转速的估计值收敛于转速的真实值时，观测的转子磁链也收敛于其真实值，可将其用于直接磁场定向控制中。
The proposed algorithm guarantees producing the maximum torque over the entire field weakening region and ensures the torque and speed-rising capability under imperfect field orientation c.
采用该方法能够使电机在整个弱磁阶段输出转矩保持最大，并确保非理想磁场定向条件下的转矩和升速性能。
In the presence of a magnetic field, the atoms' orientation changed in a particular way, and this change was detectable in the light that came through the atom cloud, the team found.
小组发现，在磁场之中，原子的方向以特殊的方式发生的变化，而这种变化可以被穿过原子云的光束探测到。
A light beam shot through a blob of rubidium atoms can directly and reliably measure the size and orientation of a magnetic field, a team of physicists reports in the Sept. 13 Physical Review a.
9月13日，据一个物理学家小组在物理学评测A中的报道，一束光照射过一团铷原子就可以直接可靠地测量出一个磁场的大小和方向。
A degree in this field will include an orientation to food processing and preservation, procurement and merchandising, advertising and public relations.
在这个领域的一个学位包括在食物加工和储藏，采购和销售，广告和公共关系的定位。
With its special narrative style and artistic orientation, the female writing has formed a view for the contemporary Chinese literary or even cultural field.
女性写作以其特有的叙事风格和艺术创作取向，已经构成了当代中国文坛乃至当代中国文化领域的一道风景。
The natural geomagnetic field varies over the Earth’s surface between about 0.035 - 0.07 mT and is perceived by certain animals that use it for orientation.
地球表面的天然地磁场幅度在0.035-0.07mT之间不等，它可被某些动物察觉，用其指导方向。
Text orientation recognition has broad application in some field such as information filtering, automatic abstracting and text classification.
文本倾向性识别在信息过滤、自动文摘、文本分类等领域有广泛的应用前景。
There is a new point of view in rotor field-orientation.
转子磁场定向是近似和不完全合理的。
It is a hot focus in the field of optical measurements to estimate the position and orientation of the object by using the optical image of the object observed.
利用被观测物体的光学成像估计其三维空间的方向和位置一直为光学测量领域的一个研究热点。
A new approach of fingerprint classification based on the interested region of the orientation field is described.
提出了一种基于指纹方向场半区域指纹特征构造方法，并将此特征用于指纹分类。
There exists a controversy between the orientation of natural science and that of humanity science, which is inevitably represented in psychotherapy, the major field of psychology.
心理学学科中一直存在着自然科学取向与人文科学取向之争，这种争论不可避免地体现在心理学的主要领域——心理治疗中。
This paper passes on the current control concept in the field-orientation control of induction motor drives presents recently current control techniques, reviews emphatically PWM current controllers.
对异步电动机磁场定向控制技术中的电流控制概念进行了分析，综述了近年来的各种电流控制方案，重点评述了基于PWM逆变器的各种电流控制技术。
His authoritative personality and achievement motive, his social orientation and working temperament, all reveal his wide field of vision and faith in his academic activities.
他的权威性格和成就动机，社会取向和工作气质，表现了他的治学精神具有广泛的视野和信念。
Orientation field plays an important role in the identification of fingerprints, taxonomy of texture and so forth.
方向场在指纹识别、纹理分类等领域有很重要的应用。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
The dynamic light beam pointing technology is used to keep orientation of light beam invariable, and light can be focused around some a fixed position in the field of view.
动态光束定向技术用于使光束传播方向保持不变，进而将成像目标稳定在视场中的某一固定位置。
The fracture surfaces of the focal mechanisms are selected according to the mass moving orientation of earth deformation field in the Yajiang region in recent period.
根据雅江地区近期大地形变场物质运移方向，选定了震源机制解的破裂面。
In this paper, the method of dividing circle rotating magnetic field into polygonal step magnetic field and the step orientation characteristic of space rotating vectors are researched.
本文研究了由圆形旋转磁场离散为多边形步进磁场的离散方法和空间旋转矢量的步进定位特性。
Orientation field estimation is an essential preprocessing step and it is crucial for the efficiency of the fingerprint recognition algorithm.
指纹方向场的估计是指纹识别预处理算法中的重要环节，对算法识别效率起到关键作用。
Inversion of the conjugate joints and striation is used to study orientation and timing of the tectonic stress field and define the stages of the field.
利用共轭节理和断层擦痕反演，对矿区构造应力场进行了定向、定时研究，确定了各期构造应力场。
The language user's point of view is an important orientation in the field of pragmatic research.
“语言使用者视角”是语用学研究的一个重要取向。
The point is made that the descriptive theory can explain the orientation of all kinds of translations, broaden the scope of the field of study and enrich the practice of translation in China.
作品认为描写学派象样为各种各样的译者定位、拓宽译者剖析的范畴并增加译者实践的手腕。
The function and orientation of cultural basis curriculum has always been the discussion hotspot in vocational education field in China.
文化基础课程的功能和定位一直是我国职教界讨论的热点。
The function and orientation of cultural basis curriculum has always been the discussion hotspot in vocational education field in China.
文化基础课程的功能和定位一直是我国职教界讨论的热点。
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