相位的

The relation between the center of time gravity of the ultrashort pulse and the carrier phase was studied by using three kinds of pulses,named Gauss,Hyperbolic Secant and Lorentz pulses.The analytical expressions of the relation between them was deduced.

以Gauss、Hyperbolic Secant、Lorentz三种脉冲为例，利用理论推导和数值模拟的方法研究了载波相位对超短脉冲时间重心的影响，并给出了三种脉冲的时间重心与载波相位的解析表达式和数值模拟的图形。

The 90 and 180 phase shift bits are of reflection type, using Lange coupler to realize the separation between the incident and reflection signals. According to process rules of the GaAs MMIC product line, we properly designed the circuit layout. In order to reduce the overall chip size, the transmission lines are folded with sufficient spacing to avoid interline coupling.

结合实际MMIC工艺线，合理设计移相器电路版图，折叠微带线并留出足够大的线间距，以避免线间寄生耦合的发生，并折叠兰格耦合器使90°和180°移相位的尺寸与其它相位的芯片尺寸保持一致。

For understanding the phase and transfer properties of optical wave propagating through negative refractive index medium layer, the relations between negative refractive index, the value and direction of wave vector k, the coordinates and the phase have been investigated intensively.

针对在理解负折射率材料中光波的传播特性时相位的特殊性质，详细分析推证了负折射率介质中折射率、波矢k的大小和方向、空间坐标系以及波相相位互之间的关系。

Iterative process of error-reduction algorithm is anlyzed, the phase-only object function is obtained when the amplitude of object function and the amplitude of its Fourier transformation are known, and the amplitude and phase of object function are retained as much as possible.

分析了采用错误减算法的迭代过程，在已知物波函数傅里叶谱的振幅和物波函数振幅的情况下恢复出纯相位的物波函数，最大限度地保留物波的振幅及相位信息。

This paper applies Fourier series to detach the fundamental waves phase, adopts the curve fitting to the frequency of the maximum spectrum amplitude, utilizes the sine wave parameters of law to the phase angle of this frequency, calculates δvalue and tanδvalue.

本文以傅立叶级数分离基波相位的方法为依据，通过曲线拟合求频谱幅值最大值处的频率，利用正弦波参数法求该频率处的相位角，从而计算出δ值和tanδ值。

I also mentioned this septile in an earlier article, having been taken with Robert Wilkinson's name for it: the aspect of "grand irrationality."

去年初我曾在文章中提到过这个7分相位，还曾引用过罗伯特威尔金森对这一相位的定义：&巨大的非理想&。

First part also introduced the hardware of vibrometer system, and the amplifiers which have special requirement were designed.

首次对正弦逼近相位测量方法中，信号相位的跳变和方向的判别设计进行了探讨。

If many counterbalancing indicators are present then theeffect of this aspect is reduced.

如果有很多的相反的相位出现，那么这个相位的效果会被削弱。

The simulation results show that the system could realize two-phase, three-phase and four-phase traffic light control, and the light time of each phase could be changed by setting input value, the adaptability of the system can be increased by changing the phase and light time of traffic light.

仿真结果表明：该系统可分别实现2、3、4相位交通信号灯控制，并且各相位的灯时分配能方便地通过设定输入进行调节，增强了系统的灵活性和适用范围。

For linear quantum systems,our new phase becomes a statistical average of the Berry phases for all eigenstates involve...

在线性量子系统中，新定义的几何相位是各个本征态Berry相位的权重平均。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。