查询词典 a series of...

By use of time-varying Fourier coefficient series of power system variables, new dynamic phasor models of thyristor-controlled reactor are developed. In this model the higher order harmonic components that have less impacts on dynamic characteristic of TCR are neglected, and through the average operation of time-domain model of TCR, a dynamic phasor state-space model of TCR is derived.

利用电力系统变量的时变傅里叶系数得到晶闸管控制电抗器(thyristor controlled reactor，TCR)的动态相量模型，该模型忽略了对TCR动态特性影响较小的谐波分量，并通过对TCR时域模型的平均运算获得动态相量状态空间模型。

They adopted the Fourier series expansion for normal form N, which is a new technique.

他们采用了对法形进行Fourier展开的技巧，这是一个新技巧。

Study of propagation properties of apertured super-Gaussian beam by using the Fourier series expansion .

用傅里叶级数展开法研究受光阑限制的超高斯光束的传输特性。

This program has been organized into WORD document I, the programming language MATLAB, the filter designed in this paper Fourier series expansion method.

详细说明：本程序已被本人整理到WORD文档中，编程语言为MATLAB，本文设计的滤波器采用傅里叶级数展开法。

Using the theory of radiation modes and the piezoelectric equation, a Fourier series expansion method is presented to design the PVDF sensors.

该文在声辐射模态理论及一维分布式压电传感器方程基础上，以Fourier级数展开的方法，给出了梁结构PVDF传感器形状与边界条件无关的设计方法。

Fourier series expansion is used to analyze the power spectrum of different injection pulses,such as sine,triangle and rectangle wave.

采用傅里叶级数展开方法，对矩形、正弦和三角等多种注入脉冲信号的功率谱进行分析，研究不同注入脉冲对半导体器件和电路的影响。

Using Fourier series expansion and Laplace transform,a global dynamic equilibrium equation in the spatial state-space form is obtained.

文中利用Fourier级数展开，Laplace变换，推导了变厚度圆锥壳状态空间形式的运动微分方程。

Improve the accuracy of the initial rotor position estimator by using the Fourier series expansion.

在永磁同步的马达启动方面，则透过送出不同向量空间角度的定子电压向量脉冲所量测到的d轴定子电流的大小来估测转子的初始位置，并利用d轴定子电流在空间向量角度以2π为周期的特性，应用傅立叶级数分析做曲线拟合的方式提高转子位置估测解析度，以提高转矩/电流比节省不必要的功率浪费。

Aiming at reducing cogging force in tubular permanent magnet linear motors, an analytical method based on energy method and Fourier series expansion was adopted, the expression of cogging force was deduced which is related with structure parameters of the motor.

为削弱圆筒永磁直线电机的齿槽力，采用了一种基于能量法和傅里叶分解的解析分析方法，推导出了圆筒直线电机与结构参数有关的齿槽力表达式。

By using the Fourier series expansion, approximate analytical propagation equations of laser beams through a paraxial optical ABCD system with different apertures are derived.

用傅立叶级数展开法研究光束通过有光阑限制的近轴ABCD光学系统的传输特性，导出了光阑透射率函数不同时的传输公式。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。