相移

In this paper, a different measurement method for CEO is demonstrated and subsequently a better beat frequency signal with the signal-to-noise ratio greater than 40 dB is obtained.

为了实现对锁模飞秒钛宝石激光器的相位控制，采用改进的相移测量装置，使载波包络频移信号的信噪比提高到了40 dB以上。

Based on the existed approaches of hydrometeor classification and the requirement of application in China,we construct a algorithm to classify the precipitation particles with the polarimetric radar observations,and make a comparison of polarimetric radar variables sensitivity Z_DR,K_DPand ρ_HV(0) in this model.

在综合分析国内外降水粒子相态识别方法的基础上，结合我国双线偏振雷达的应用需求，建立了一套利用双线偏振雷达探测资料识别降水粒子类型的识别模式，并根据美国KOUN雷达观测资料对该模式进行了分析验证，同时检验了模式中的几个偏振参数：差分反射率因子ZDR、差传播相移KDP、水平偏振和垂直偏振回波功率零滞后互相关系数ρHV(0)对不同降水粒子的识别效果。

Relevant theory is derived and explicit conditions for directly determining the isoclinic parameter in the range of [0—π/2] are given.

在综合前人工作的基础上，提出获得全场单纯的等倾角相图的五步彩色相移法。

It carries out the amplitude-preserved migration with the phase shift amplitude-preserved correction operator in frequency-wave number domain and time shift amplitude-preserved correction operator in frequency-space domain.

文中引入了裂步傅里叶保幅偏移算法，分别通过频率－波数域的相移保幅校正算子和频率－空间域的保幅时移校正算子实现了保幅偏移。

Research reflected light refraction and vector-vector changes in the law, discuss the extra path difference, the phase phase-shift, model and so on plane of polarization revolving optical phenomena.

研究反射光矢量和折射光矢量的变化规律，讨论额外程差，位相相移，偏振面旋转等典型的光学现象。

The transmission spectrum of long period grating was analized by a combination of coupled mode theory and transfer matrix method.

用耦合模方法和传输矩阵法相结合对长周期光栅的传输光谱特性进行了研究，提出了用相移长周期光栅使双峰的增益谱线平坦化。

It's also pointed out in theory and experiment that the ripples of the nonreciprocal phase shifter's transmission originated from the fact that the actualacoustic-optic frequency shifter's transform efficiency is less than 100% and theacoustic-optic couple process is polarization-dependent.

通过分析和实验研究还指出实际声光移频器转换效率达不到100%以及声光耦合过程的偏振相关性是造成非互易相移器传输谱波纹和起伏的原因。

In this paper, the one way wave equation operator is decompounded into a phase shift operator and a time shift operator and the correct item with high rank Sy mplectic method when approaching E exponent.

本文将单程波算子分解为相移和时移算子以及对e指数修正项逼近的高阶辛格式。

For instance, the harmonic currents that add in the neutral conductor of a star-connected 4-phase system where the phase shift between fundamental waveforms is 90o would be the 4th, 8th, 12th, 16th, 20th, and so on.

比如谐波电流在中性导体，加上一个明星连通四相制相移之间的基本波形是90o会第四届、8，12，16，20等等。

The inductance motor being studied is of six-phase.

以六相移30 的绕组结构为例，对包括滤波器的多相异步电动机建立了数学模型并进行了仿真分析，仿真结果验证了电抗器的有效性。

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。