查询词典 modulation

E. , the fundamental cause of nonlinear coupled oscillation is the results of the interaction between the several nonlinear factors existing inside the motor, as well ws the mechanical drive, and the converter control system with discrete-sample and modulation.

本文依据理论分析、实验及现场测试研究，详细地分析了电力传动系统中存在的非线性耦合振荡现象，基本弄清了此类非线性耦合振荡的机理，即：电机内部非线性及机械拖动部分存在的多种非线性因素与具有离散采样和调制非线性特性的变流器控制系统之间的相互作用是造成系统非线性耦合振荡的根本原因。

This opens the possibility of a new type of cross modulation, where a beam of light at one of the absorption frequencies can turn on or off the light of the other.

这就可能制造出新型的交叉调制器，一束有特定吸收频率的激光能打开或关闭其它的光。

Endogenous opiate like substances may be involved in the modulation of the acquisition of CTA.

内源性阿片样物质可能参与了CTA形成过程的调制作用。

Actually ,signals are processed from low frequency domain to high one by modulation firstly and alternating current amplification secondly.It can also improve anti-interference抗干扰 ability of circuit and signal to noise ratio of signals.

实际中往往采用更有效的先调制而后交流放大，将信号从低频区推移到高频区，也可以提高电路的抗干扰能力和信实际中往往采用更有效的先调制而后交流放大，将信号从低频区推移到高频区，号的信噪比。

When signals under test are 单击此处编辑母版标题样式 weak, in order to realize signals transmission especially for long distance, direct current amplification or modulation and demodulation may be adopted.

传感器输出的电信号一般为较低频率分量(在直流至几十千赫兹之间)，当被测信号比较弱时，为了实现信号的传输尤其是远距离传输，的电信号一般为较低频率分量(在直流至几十千赫兹之间)，当被测信号比较弱时，为了实现信号的传输尤其是远距离传输，可，当被测信号比较弱时以采用直流放大或调制与解调。

A new type of fault current limiter controlled by pulse width modulation.

采用脉宽调制控制的新型故障限流器。

A new type of fault current limiter controller by pulse width modulation.

采用脉宽调制控制的新型故障限流器。

Optimal methods are also presented on system control methodology (current control and pulse frequency modulation) and frequency compensation.

根据研究结果提出系统在控制方法选择（电流控制和脉冲频率调制）和频率补偿方面的优化办法。

The most effective method of damping the oscillation is to install power system stabilizer and direct current modulation. But PSS designed to a certain mode will produce bad effect to other modes.

抑制低频振荡最有效的方法是装设电力系统稳定器和直流附加控制器，但针对某一振荡模式而设计的PSS会对其它模式产生负作用而破坏系统稳定性。

Definition ; curvilinear regression analysis ; point sharpness method ; modulation transfer function

清晰度；曲线回归分析；点锐度算法；调制传递函数

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。