查询词典 modulation

The motion equation of a particle is reduced to the nonlinear differential equation with a weak_periodic modulation by sine_squared potential.

利用正弦平方势把粒子运动方程化为具有外周期弱调制的非线性微分方程，并利用Melnikov方法分析了系统出现Smale马蹄的临界条件。

Fiber Bragg grating is a fiber2op tic wavelength modulation device. Using fiber Bragg grating reflection of a certain wavelength which was affected by the parameters of the outside world because of the sensitive effect, a fiber grating sensorwas developed.

光纤Bragg光栅是一种波长调制型光纤器件，利用光纤Bragg光栅反射波长对某外界参量的敏感效应，可以研制出光纤光栅传感器。

A sort of strain sensor that is made of cycloidal stretch film piece and microbent modulation construction and a method of distributed optical fiber strain sensor by Optical Time-Domain Reflectometer are brought forward.

摘要提出了一种用圆形弹膜片和微弯调制机构进行应力传感，用光时域反射探测技术进行测量的分布式光纤应力传感方法。

This process is based on the flowrate amplification due to entropy wave modulation in the regenerator.

它的基础是回热器的熵波调制所引起的流放大作用。

Pulse Width Modulation technique is one of the most important contents in the digital current control. Two PWM algorithms–Asymmetric Regular Sampling PWM and Space Vector PWM, is described. in detail, and then a fast algorithm of Space Vector PWM is got by combining the advantages of the two algorithm.

脉宽调制技术是数字电流控制中的核心内容，文中详细分析了非对称式规则采样法和空间矢量法两种PWM调制方法的原理和计算方法，在对这两种方法比较的基础上，介绍了一种空间矢量PWM的快速算法。

The objective of DC power modulation is to damp the relative swing of angle and frequency of the two areas from COI.

直流输电线路功率调制的目标是阻尼区域COI功角和频率间的相互振荡。

First of all, a uniform model of traditional modulation methods is given in signal space representation.

本文将传统调制方法的数学模型置于统一的信号空间中。

Residuary intensity modulation of the phase modulator in IFOG and its measurement .

IFOG 中相位调制器的残余强度调制及其测量。

Finally, we simulate the relationship of the residuary intensity modulation coefficient and the scale factor stability of fiber-optic gyro by using the Matlab simulation tool.

最后，对所得出的残余强度调制系数与光纤陀螺标度因数稳定性的关系进行了Matlab 仿真，通过仿真结果，更进一步说明残余强度调制对数字闭环光纤陀螺标度因数稳定性的影响。

LI Xu-you,GE Cui-yan,ZHANG Chen. The Influence of Residuary Intensity Modulation of Y Waveguide on the Performance of IFOG. Opto-Electronic Engineering, 2009, 36(11): 43～47 in chinese

作者简介李绪友|教授|主要从事光纤陀螺及光纤陀螺捷联惯性导航系统的研究|(1964-)，男，黑龙江哈尔滨人，博士生导师。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。