查询词典 ripple effect

On the water of life,may be you can make a lot of ripple,and that will break others'quietude.

在生命的水面上，你也许能激起许多波纹，而你所激起的波纹也会打破别人的平静。

Once or twice I saw a ripple where he approached the surface, just put his head out to reconnoitre, and instantly dived again.

然而它似乎深识水性，水下认路和水上一样，并且在水下泅泳得还格外迅疾。

The physical model of water is built on the basis of 2D Navier-Stokes equation. Recurrence formula of water surface height is improved to smooth the water ripple.

然后基于牛顿-欧拉动力学方程，结合实验中的结果，研究了仿生机器鱼在虚拟水池中运动的三维仿真方法。

In order to resolve the problem of large switching loss at rated current, a constant current ripple control method is proposed along with varied frequency control.

同时，针对额定电流输出时开关损耗应力较大的问题，提出了电感电流恒脉动的变频控制方法。

Electric machinery ; Permanent magnet synchronous motor ; Direct torque control ; Ripple torque ; Fuzzy modulating

电机；永磁同步电机；直接转矩控制；脉动转矩；模糊调节

SVPWM based on the realization of the permanent magnet synchronous motor simulation, simulation results than traditional direct torque control torque ripple small, fast response, good robustness.

详细说明：实现了基于SVPWM的永磁同步电机仿真，仿真结果比传统直接转矩控制转矩脉动小，响应快，鲁棒性好。

Due to hexagon flux control or six-section circle-flux used in traditional direct torque control,it is easy to form large torque ripple twelve section control method of voltage select table and the implementation was presented.

由于传统的直接转矩控制采用六边形磁链控制或六区间的圆形磁链控制，容易造成转矩脉动大。

An optional feature allows for current limitation at start up to protect surrounding equipment, which can come in handy for things such as improving the life of a battery pack in a medical respirator, while the internal current ripple control minimizes increases in motor heat.

一项在启动后限制电流以保护周边设备可选功能是很有用途的，例如用内部电流脉冲将电动机散发的热量控制在最小以增加医疗呼吸机的寿命。

Electric machinery ; BLDCM driven systems ; Rate smoothness ; Force ripple ; Robust repetitive control

电机；无刷直流电机驱动的系统；速率平稳性；力矩波动；鲁棒重复控制

The papers emphases are two aspects: One is reducing the torque ripple using advanced control methods and the other is the research of the speed sensor-less schemes.

本文主要围绕采用先进控制方法抑制转矩脉动和直接转矩无速度传感器算法两方面来进行。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。