查询词典 coupling coefficient

Under the condition that the maximum index change at the core-cladding interface and absorption coefficient were constant, the numerical results indicated that the reflectivity of cross-mode coupling peak between LP_ 01 and LP_ 11 modes varies parabolically with the saturation length of index change.

仿真结果表明，在纤芯和包层边界的最大光致折射率变化量和纤芯吸收因子不变的情况下，随着纤芯折射率变化的饱和长度的增大，LP01和LP11模间的互耦合反射峰呈抛物线形变化，当饱和长度增大到一定值后，互耦合反射峰随饱和长度的增大而逐渐减小并最终消失；同阶LP模的自耦合反射峰随饱和长度的增大而增大。

Let the obtained modality parameters be substituted into the coupling vibration partial differential equation and transform the complex partial differential equation into the variable coefficient nonlinear or...

把所得模态参数代入耦合振动偏微分方程中，将复杂的偏微分方程转化为变系数非线性常微分方程组，用Runge-Kutta方法获得方程的数值解。

Then, base on the equivalent circuit model for cascaded coupled resonator filter, the method for measuring or computing the phase of the reflection coefficient of short-circuit terminated networks and synthesizeing all the inter-resonator couplings and resonant frequencies of the filters to be tuned is studied intensively. The phase loading effect is removed and the tuning steps are analyzed. The method based on the partial fraction expansions of admittance matrix is used to synthesize coupling matrix of the filters under tuning.

然后，通过分析级联耦合滤波器的等效电路模型，着重研究了利用测量或计算终端短路网络的反射参数的相位来综合出待调级联耦合滤波器各个腔体的谐振频率和腔体间的耦合系数的方法，并且消除了端口相位加载的影响，给出了具体的调试步骤；接着利用导纳矩阵部分分式的展开来求得待调滤波器耦合矩阵，着重研究了消除端口相位加载的方法。

Numerical calculations are performed on the decoherence rate as a function of the polar angle, the Coulomb binding parameter, the coupling strength, the confinement length of quantum dot and the coefficient dispersion.

由于声子的自发辐射，造成量子比特的消相干，根据数值计算结果，讨论了极角、库仑结合参数、耦合强度和色散系数对消相干速率的影响。

The acoustic sensing characteristics of FBG hydrophone are addressed and the effects of the coupling coefficient, reflectivity, grating distance and reflection wavelength bandwidth of FBG on FBG hydrophone characteristics are analyzed.

论述了FBG水听器探头基元——光纤Bragg光栅的传感特性，分析了FBG的耦合系数、反射率、反射带宽和栅长对FBG水听器传感特性的影响。

The coupling coefficient is much higher than Myrabo and Scall's results obtained by electron-beam sustained laser on air breathing laser propulsion.

这一结果远高于Myrabo和Schall等人用电子束维持放电激光器获得的空气呼吸模式冲量耦合系数。

The general calculation method of equivalent self-inductance coefficient of non-mutual-inductance-coupling two-end self-inductance network has been studied.

探讨无互感耦合的任意二端自感网络等效自感系数的一般计算方法。

This essay discussed and analyzed the equivalent self-Inductance Coefficient of two inductors connected in parallel,and solved the equivalent self-Inductance of perfect coupling with L Hospitcl rule .

文章分析和讨论了两个线圈分别在反并接和顺并接时的总等效自感系数，并用"洛必达法则"求解线圈在理想耦合状态下的自感系数。

In view of the questions in theoretic analysis and numerical simulation with the finite element method,the separation criterion of chips, the surface contact, the setting of friction coefficient,and the thermal stress coupling are researched. A simulation example is presented by applying the finite element analysis software-ANSYS,and the change of stress and strain in metal cutting process, the forming of shear plane and the influence of the temperature field on metal cutting are analyzed. The tool's strength is also analyzed.

基于理论分析和实际有限元数值模拟计算中遇到的问题，研究、讨论了切屑分离标准、表面接触、摩擦系数的设定、切屑与工件之间的连接以及热应力耦合分析等各项技术，并应用大型有限元分析软件ANSYS，具体分析了金属切削过程中应力和应变的变化、剪切面的形成以及温度场对金属切削的影响，并依此对刀具作强度分析，得到若干结论。

Keywords multiple support excitation;simple support excitation;response spectrum method;fast calculation approach;pseudo-excitation method;random vibration analysis;reliability analysis;coupling coefficient;sp

Article From 东南大学；结构工程博士论文 2005年度多点输入；一致输入；反应谱法；快速计算方法；虚拟激励法；随机振动分析；可靠度分析；耦合系数；空间相干函数

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。