This system is composed of variable velocity driver, motor, generator, inverter and computer.
该系统由变速驱动控制器、电动机、发电机、逆变器及微机组成。
The paper introduces a prestack depth migration by nonstationary phase shift method suitable for laterally variable velocity.
介绍一种能够适应介质速度横向变化的非稳态相移算子及其叠前深度偏移方法。
In this paper, the main research content is CNC efficiency of Variable Velocity Variable frequency Crumb cake hydraulic machine.
本文主要研究内容是变频调速液压屑饼机的数控效率问题。
During the interpretation, the accurate structure interpretation and variable velocity mapping is used to reflect the complex underground structure.
通过精细构造解释及变速成图，准确反映地下构造形态。
A helix equation of time-varying pitch is established, revolving elliptic cylinder as equal angular velocity and rising as variable velocity at the same time.
建立了绕椭圆柱面以等角速度旋转，又以变速度上升的非定常螺距的螺旋线方程。
In this issue, a device of variable velocity variable frequency on medium-high voltage three-level is developed to reduce energy consumption and improve the cost-effective for the previous problems.
针对这些问题，本课题研究开发了一种中高压三电平变频调速装置，降低电机的能耗、提高系统的性价比。
Complex geological body is main types of complex oil and gas reservoir, and its irregular geometrical shape and acutely variable velocity have an effct upon the accurate imaging of complex reservoir.
复杂地质体是复杂油气藏的主要类型之一，往往表现为几何形态的不规则和速度纵横向的剧烈变化等，这些特征极大地加剧了复杂构造精确成像的难度。
This is a variable that is replaced by the Velocity template engine when the page is generated.
在生成页面时，Velocity模板引擎会替换这个变量。
Variable names must begin with a letter, which makes it easy for Velocity to distinguish variable names from currency notation within a template (for instance, $100 cannot be a variable name).
变量名必须从一个字母开始，因此Velocity很容易把变量名与模板中的货币符号分开（比如， $100不可能是一个变量名）。
Variable size of measurement matrix is set up to increase operation velocity and attenuate noise in processing.
在滤波处理时，设置可变的测量矩阵，其目的在于提高运算速度和抑制噪声干扰。
Velocity controller is composition of variable structure control and lead angle control.
速度调节器采用变结构控制加以高速时的超前角控制。
Its frequency response is calculated by use of FEM and its vibration velocity sensitivity with respect to its local thickness as a design variable is computed.
基于有限元直接法计算振动板的频率响应，以板局部厚度为设计变量，计算了振动速度对局部板厚度的灵敏度；
In the walking beams velocity electro-hydraulic control system, proportional variable pump is the key components.
在步进梁速度电液比例控制系统中，比例变量泵是关键组成部分。
A discrete variable structure control with an integral controller is proposed and applied to an electrohydraulic velocity servo system.
本文提出了一种带有积分控制的离散变结构控制方法，并应用于电液速度伺服系统。
CAD variable geometric method was put forward to solve the velocity and acceleration of planar multi-DOF mechanism of robot arms.
提出求解机器人臂平面多自由度机构的速度和加速度的CAD变量几何方法。
The paper presents a SPWM frequency variable and velocity variable system with SCR as main switching devices. The proposed scheme has been verified through experiment.
介绍一种以SCR作主开关器件的SPWM控制方式的变频调速系统，并通过实验对提出的方案进行了验证。
The coupling variable can be displacement , velocity or acceleration.
耦合的变量既可以是位移，也可以是速度、加速度。
In particular, expressions of flapping coefficients are derived, including the effect of variable induced velocity distribution but in terms of blade parameters and flight parameters only.
特别是在挥舞系数的表达式中，考虑了诱导速度的变化，但直接与桨叶参数和飞行参数有联系。
The good velocity controllability of servo-dynamo can be used to realize variable blank holding force control through adjusting the force on sheet metal blank with a holding force adjusting equipment.
利用伺服电机良好的速度可控性，可以通过压边力调节装置调整作用在板坯上的压边力的大小，更容易实施变压边力控制。
In this article, it is pointed out that calculating induced electric field caused by variable magnetic field in constant velocity by analogical method is a simple method.
用类比方法来计算以恒定速率变化的磁场产生的感应电场是一个简便的方法。
The maximum velocity V in blasting vibration is a random variable, it has no definite function relation to Q and R in general meaning. So V only can be controlled in a confidence interval.
阐述了爆破地震波的质点最大振速V是一个随机变量，它与Q、R没有一般意义上确定的函数关系，因此振动只能控制在某一区间。
The distribution of induced velocity at the rotor is assumed linearly variable over the disk.
旋翼桨盘处的诱导速度分布采用自前向后直线增大的形式。
As for the characters of the Doppler Radar radial velocity data, the single variable background error covariance is used. And the anisotropic covariance function is adopted in the horizontal plane.
其根据多普勒雷达径向速度资料的特点，水平方向采用非各向同性的单变量背景场误差协方差函数。
The high velocity and variable thickness of igneous rock impair the structural map of targets beneath igneous rocks.
火成岩速度很高，而且厚度是变化的，常常影响到它下面的构造成图精度。
The optimization procedure of preform die shape is given. The sensitivity of nodal velocity and temperature with respect to design variable is developed.
给出了模具形状优化设计步骤，推导了速度灵敏度方程和温度灵敏度方程。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响，建立了随机荷载作用下的疲劳裂纹扩展模型。
As to the difficulty in constructing a model and variable impact because of uneven ground, a fuzzy controller is made to control the velocity of the hydraulic motor.
针对液压阀控马达模型建立困难而又不准确，路面凸凹不平造成冲击载荷时变等问题，设计了模糊控制器对行走马达的速度进行闭环控制。
This paper introduces a frequency variable and velocity variable system using IPM. Some problems which should be noticed in applications are presented.
介绍一种应用智能功率模块的变频调速系统，提出了使用智能功率模块时应注意的关问题。
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示，变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异；
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示，变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异；
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