扰动

For the dynamic system of discrete coupled and nonlinear three phase voltage source PWM rectifier, the cycle switch average operator is introduced to transform the discrete system into continuous and the small signal perturbation method is used to transform the nonlinear system into linear, the small signal dynamic mathematical models are set up.

中文摘要：针对三相电压型PWM整流器这个离散的、耦合的、非线性的动态系统，引入开关周期平均算子将离散的系统变换为连续的系统，应用小信号扰动法将非线性的系统化解为线性的系统，进而分析系统的小信号动态数学模型。

For the dynamic system of discrete coupled and nonlinear three phase voltage source PWM rectifier, the cycle switch average operator is introduced to transform the discrete system into continuous andthe small signal perturbation method is used to transform the nonlinear system into linear, the small signal dynamic mathematical models are set up.

中文摘要：针对三相电压型PWM整流器这个离散的、耦合的、非线性的动态系统，引入开关周期平均算子将离散的系统变换为连续的系统，应用小信号扰动法将非线性的系统化解为线性的系统，进而分析系统的小信号动态数学模型。

It is presented that the laws of electromechanical disturbance propagation in a discrete uniform chain power system.

研究机电扰动在均匀离散的链式电力系统中的传播规律。

The Molecular Disrupter is a new ability we are testing out on the Nullifier, in which the unit fires a psionic projectile which bounces between units of the same type, doing 10 damage with each hit, up to a maximum of 10 bounces.

分子扰动是我们正在测试的一个新技能。否权机甲能够射出一道幽能束，在同类单位之间来回跳跃，每跳造成10点伤害，最多10跳（造成100点伤害）。

This algorithm is based on the idea of local search and random disturbance.

这是一种基于局域搜索和随机扰动思想的启发式算法。

It is found that they effect development and evolution of mesoscale disturbance.

结果发现它们对中尺度扰动的发展和演变均有重要的作用。500

Therefore, under the small disturbance stability analysis of power system has an important significance.

因此小扰动下电力系统的稳定性分析具有重要的意义。

A new method for detection of power quality disturbances.

一种电能质量扰动检测的新方法。

The proposed method can be applied to real-time monitoring of power system disturbances.

该方法可以用于电力系统扰动的实时监测。

The key of this paper is to detect and extract disturbances with multi-resolution analysis.

用多分辨分析进行扰动的检测和提取是本文的重点。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。