查询词典 modulation

They assumed language must be based on speech, the modulation of sound.

这里说明了 educators 反对的理由，认为语言是必须建立在语音上的，是一个发声的过程。

In the method, the orbit of targets and the radar coordinates and parameters are put to calculate attitude and dynamic parameters of targets in line of sight. And then the dynamic data are generated according to the electromagnetic modulation model of the movement of targets including motion at high speed, spin, precession on electromagnetic wave.

该方法首先确定目标的轨道和雷达的布站坐标及工作模式，而后计算目标在雷达观测视线(line of sight， LOS)方向上的姿态和运动参数，最后根据空间目标高速运动、自旋、进动等在电磁波上调制的数学模型生成动态测量数据。

Influence of spontaneous emission factor on the bifurcation and chaos behavior of VCSEL under large signal modulation.

自发辐射因子对VCSEL在大信号调制下的分岔及混沌行为的影响。

To estabish reproduction and breeding system in the spottdc deer;(2)To conduct frozen preservation of the spotted deer's semen and embryo;(3)To conduct development of artifical insemination and embryo transfer by demonstration in the spotted deer;(4)Study on nutrition requrement and the application of mordern nutrition modulation technique;(5)To estabish significant deseases testing and preventive systems;(6)To estabish adminastrative software of computer system.

项目简介：(1)建立梅花鹿良种繁育体系；(2)进行梅花鹿精液及胚胎的冷冻保存；(3)进行梅花鹿人工授精和胚胎移植技术的示范推广；(4)梅花鹿营养需要的研究和现代营养调控技术的应用；(5)建立梅花鹿重大疫病检测预防体系；6_建立梅花鹿计算机管理软件系统。

In turn,this will depend on the type of modulation employed,whether it is AM,FM,SSB,or any of the forms treatde later.

也就是说，将取决于使用的解调器的种类，不管是AM，FM，SSB或之后任何一种处理方式。

Oscillation modulation circuit which can provide the signal carrier with stable frequency is the key point in the subject.

本课题重点在于设计能给发射机电路提供稳定频率的振荡调制电路。

In addition, the nonlinear processes such as cross-phase modulation, non-degenerate two-photon absorption, and stimulated Raman scattering must also be considered for double wavelengths propagating in waveguide.

在归纳分析了SOI对光信号处理的研究进展的基础上，进一步完善了超快脉冲在脊形硅波导中演变时所满足的线性和非线性传输方程，在此非线性方程中包括波导线性损耗、群速度色散和三阶色散等线性效应；同时也包含了自相位调制、简并双光子吸收、自由载流子吸收和自由载流子色散等非线性过程；当双光场在波导中传输时，脉冲之间的交叉相位调制、非简并双光子吸收和受激拉曼散射效应等非线性效应也被考虑。

It proposes an improved Dynamic Frequency Selection scheme, in which traffic allocation unit and scheduling information delivery are selected by subchannel domain, modulation and coding domain, subcarrier domain.

提出了一种优化的动态频率选择方案，该方案是对资源分配单元和调度信息传递在子信道域、调制编码域和子载波域的三维选择。

Anterior cingulate cortex is an important part of the limbic system and the high-level center of brain, which not only receives all kinds of information from subcortex, but also is reliably activated by peripheral noxious stimulus, and has been a hotspot of pain exploration. Though the adequate data has already been collected about the ACC modulation of sensatory and emotional component of pain, the studies were almost confined to the aspect : how the ACC receive nociceptive information.

由于它是既接受来自皮层下多种信息的传入又可恒定地被外周伤害性刺激所激活的高级皮层，近年来已成为疼痛研究的热点区域。

Objective:To investigate the growth inhibition and apoptosis induction effect of vitamin E succinate on MCF7 human breast cancer cells and to analyze the modulation of Fas expression in this process.

目的：检测维生素E琥珀酸酯对MCF7乳腺癌细胞的增殖抑制和凋亡诱导作用，并分析凋亡诱导分子Fas表达的变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐