查询词典 nonlinearity

In the experiment, some testing measures are adopted to ensure geting reliable results. For example: coupling liquid is used between the transducer and the specimen to ensure efficient transmission. In order to reduce the system nonlinearity, the loading power of the amplifier is enlarged.

实验过程中还采取了一系列确保超声非线性测量结果可靠性的措施，如：为了减少超声传播过程中的衰减，在压电探头和试样的接触表面加入耦合剂；为了降低实验系统本身产生的非线性，加大了放大器的加载功率。

A problem of cable force optimization of cable-stayed bridge is equated as a nonlinear implicit optimization model. In the mathematical model, the object function is minimizing summation of bending strain energy and axial strain energy, and the constrain conditions are nonlinear and related to reasonable finished dead state. The optimization model is solved by projection gradient method, fully considering all kinds geometric nonlinearity.

把超千米级斜拉桥的索力优化问题归结为非线性隐式优化的数学模型，以系统最小弯压应变能为目标，根据合理成桥状态指定各种非线性约束条件，利用投影梯度法进行优化问题的求解，求解过程中充分考虑了各种几何非线性的影响。

According to the characteristics of pure time delay, large inertia, time-variance and nonlinearity of the temperature system, we proposed a kind of subsection control strategy that synthesized pure proportional, fuzzy and PID control, to guarantee quick and high-precision temperature control.

在现有卷染机机械结构的前提下，提出了基于双变频技术的速度张力传动控制机构，实现了智能卷染机的控制需求，并设计PLC软件程序；针对卷染机温度系统具有的纯滞后、大惯性、时变、非线性等特性，提出了一种分段控制策略，综合运用纯比例控制、模糊控制和PID控制，实现了快速、高精度的温度控制目标。

KTP crystal has a lots of outstanding properties of electro-optics, piezoelectricity, pyroelectricity and optical nonlinearity, especially it's coercive field is only a tenth of LiNbO3, so it has been used widely in the region of Quasi-Phase-Matched technology.

KTP晶体具有良好的电光、压电、热电和非线性光学特性，尤其它的矫顽场电压是铌酸锂晶体的十分之一，因此在准相位匹配技术领域得到广泛的应用。

The effects of fourth-order dispersion and quintic nonlinearity to the gain spectra are analyzed.

东南大学电子科学与工程学院光子学与光通信研究室，南京 210096

An analytic expression of the chirp of the Gaussian pulse and soliton including the effect of quintic nonlinearity was derived.

0引言一般地说，用于光纤通信系统中半导体激光器发射的主要是高斯脉冲。

As an example of the Gaussian pulse and soliton,the effect of quintic nonlinearity on the chirp was found to depend on the initial chirp,the fiber loss,and the peak power of the light field.

而现在诸多学者研究的热点课题之一的光孤子通信，由于其绝热保形的传输特性，为将来实现高速率、远距离的通讯提供了新的手段[1]。

The effects of fourth-order dispersion, quintic nonlinearity and fiber loss on the gain spectra were analyzed.

结果表明：在光纤的正、反常色散区，四阶色散导致XPM不稳定均发生在两个频谱区。

Given other certain parmeters,the effect of quintic nonlinearity on the chirp of the Gaussian pulse and soliton was considered and compared.

在波分复用系统中，由于一根光纤可以传输多路光脉冲，因此，WDM是当前光纤通讯领域研究的主流技术。

Based on the model of the high-order nonlinear Schrdinger equation with quintic term, we numerically study the interaction between the femtosecond solitons in optical fiber with saturate nonlinearity.

以包含五阶非线性效应的高阶非线性薛定谔方程为模型，数值研究了饱和非线性光纤中飞秒孤子间的相互作用。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。