结果表明:不检测转子磁链的滑差频率矢量控制系统具有结构简单、控制性能优良等特点。
The result show that the system possesses the features of simple structure and excellent control characteristics etc without detecting the slip frequency of the rotor's magnetic field.
速度、航向等信息,车载GPS差分设备还可以对车辆上的各种传感器(如计程仪、车速仪、磁罗盘等)进行校准工作。
Information such as speed, heading, GPS difference equipment can also be the vehicle of various sensors (such as log, speed meter, magnetic compass, etc.) for the calibration work.
转子磁场中心安装偏差所产生的轴向磁拉力很小,转子磁极中心挂装高程差所产生的不平衡力偶不致增大推力瓦受力。
The couple of force created by rotor pole center suspending difference may not increase the pressure on the thrust pad.
给出了一种高精度的磁罗经航向系统,应用神经网络进行剩余自差的自动校正。
Thispaper presented one high precision magnetic heading system, and use neural network to correct the remnant deviation of compass.
摘要磁罗经是船舶装备的主要指向性航海仪器之一,磁罗经自差的大小将直接影响船舶的航行安全。
Magnetic compass is one of directional navigation instrument in ship fitting, the deviation of magnetic compass will influence the navigational safety of ship.
这是由于材料中的顺磁相在低温时变成铁磁相,使两相的饱和磁化强度差减小的结果。
This fact is duo to the transition to ferromagnetic phase from paramagnetic phase and to the reduction of the difference of magnetization.
针对具有恒定俯仰角度载体的磁航向罗差标定和补偿问题,提出了一种用于磁罗差修正的偏差补偿算法(DCA)。
To calibrate and compensate the compass error of magnetic heading in a carrier with constant pitch Angle, the deviation compensation algorithm (DCA) for magnetic deviation compensation is put forward.
仪器使电流比较仪处于零磁通工作状态,再利用互感器校验仪的测差原理测试被检电流互感器的误差,从而使互感器校验仪具有比较仪检定功能。
In this instrument the current comparer is set to zero magnetic flux, then the instrument transformer calibrator with the theory of measurement can measure the error of the current transformer.
为了快速准确的找到电力电缆故障所发生的位置,研究了声磁传播时间差法测寻电力电缆故障点。
In order to locate power cable fault fast and accurately, the acoustic propagation time measurement was developed to detect cable fault.
本文简要地描述了矩形分布探针、位移探针和差分磁环探针的标定方法。
Calibration methods are described for distributed rectangular probes, displacement probes and differential magnetic loop probes.
为了有效去除高背景磁场对永磁体定位的磁干扰,本文提出了一种高背景磁场下的差分磁定位算法。
This paper reports a differential magnetic localization algorithm in high background magnetic field that interferes localization of permanent magnet.
基于电罗经技术的磁罗经自差自动测定和校正系统是一个综合了电罗经和磁罗经技术的自差测定和校正系统。
Based on the gyrocompass technique, the magnetic compass deviation automatic measurement and correction system synthesizes both gyrocompass and magnetic compass technique.
针对磁光数据存储系统。研究了差分读出信道的结构不对称性对其噪声性能的影响。
An analysis is done of the effects of the unsymmetrical structure in differential data channels on noise characteristics for magneto-optical data storage systems.
利用单向应力下磁输出信号与主应力差间的关系,即主应力差法,国内外已取得了一定的成果。
Recently progresses have been made using the relationship between magnetic output and principal stresses difference under uniaxial stress.
海洋重磁资料的平差处理是海洋重磁资料处理过程中必不可少的环节之一。
Adjustment processing is one of indispensable procedures ofr Marine gravity and geomagnetic data processing.
用有限差分的方法分析了磁粉离合器在各种不同工况下的温度场分布,并设计了相应的计算程序。
Magnetic particle clutches distribution of temperature field at every different work condition was analyzed by finite difference method.
结果表明,偏振差损的影响可以消除,而方向和磁圆二向色性差损无法通过改变磁场和失谐频率消除。
Zero drift caused by differential polarization loss can be eliminated, while caused by differential direction loss and magnetic circular dichroism loss can not be eliminated.
针对某无人驾驶飞艇中安装罗盘吊舱的工作状态,提出适合于野外作业环境无外部航向基准时数字磁罗盘的自差校正方法。
This paper proposed a magnetic deviation calibration strategy suitable to implementing on spot for an unmanned airship without high-accuracy heading references.
选别时间较长,回收率较高,而精矿排出端离给矿口较近,磁翻作用差,所以精矿品位较低。
Choose don't over a long period of time, high, but the concentrate recovery from the eduction is close to ore mouth, magnetic double function poor, so concentrate grade is relatively low.
该系统能够对磁通的变化及转差频率指令的不准确性进行补偿。
It can also compensate the change in flux and the inaccuracy in slip frequency instruction.
利用有限差分法求解GMA二维电磁场问题,在超磁致伸缩电—机械转换器结构研制的基础上,结合有限差分法计算原理及应用问题对GMA的电磁场进行数值计算。
The paper describes the two-dimension electric-magnet field of the GMA by the finite different method including its theory and application. Also the structure and principle of GMA is studied.
分别求出了磁液动密封中磁液和被密封液体的速度分布,特别是磁液作为非牛顿流体运动方程的解,并计算了两相液体界面的速度差。
The motion equations of sealed liquid and magnetic liquid which is considered to be non-Newton fluid in magnetic liquid seal were solved respectively and their speed distributions were got.
因此由这种新型磁敏三极管构成的差分电路还具有温漂小的优点。
So, the difference circuit consisted of this transistor has merit of sma…
本文提出一种新型中频差双频激光器——磁致旋光-塞曼双频激光器。
The dual-frequency laser as a light source takes a key element in the interferometer.
本文提出一种新型中频差双频激光器——磁致旋光-塞曼双频激光器。
The dual-frequency laser as a light source takes a key element in the interferometer.
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