The high frequency signal propagation on power cable is demonstrated theoretically by solving transmission equation and analysing the stable solution .
通过对 传输 方程求解以及对稳态解的分析,从理论上说明了高频信号在动力电缆中的传播情况。
According to pulse transmission equation and carrier density equation performance of wavelength converters based on cross-gain modulation in semiconductor optical amplifiers in counter propagating mode were studied in terms of extinction ratio and chirp of the converted signal .
从脉冲 传输 方程和载流子密度方程出发,详细分析了相向工作方式下交叉增益调制型波长转换器转换后光的消光比和啁啾特性。
The numerical value solution of atmospheric radiation transmission equation ( RTE ) is used to construct point spread function and implement the restoration of all kinds of atmosphere degraded images under different weather conditions .
该算法利用大气辐射 传输 方程的数值解构造点扩散函数,可用于不同天气条件下的退化图像的复原。
Assuming the ray-optics approximation the crosshole electromagnetic wave transmission equation can meet the Radon transform .
在射线光学近似下,孔间电磁波 传播 方程满足Radon变换。
Based on optical pulse transmission equation in birefringent optical fibers the chirps caused by second - order chromatic dispersion self-phase modulation cross - phase modulation were analyzed .
基于双折射光纤中光脉冲 传输 方程,详细分析了二阶色散、自相位调制以及交叉相位调制在光脉冲传输过程中引起的啁啾。
In this article authors have analysed the influence of main parameters of the double-sine mechanism on the transmission ratio and linearity etc. after deriving the transmission equation of this mechanism .
本文在推导了双正弦机构的 传动 方程式后,就这种机构传动的线性度与传动比等方面,分析了各主要参数的影响;
Under the assumption that the electron beam is single-velocity and one-dimensional the transmission equation of space charge wave set up in the conical electron beam is derived and the process of noise impedance transformation is obtained .
在单速、一维假定下,推导了球形收敛电子注上的空间电荷波 传播 方程和噪声阻抗的变换过程。
Firstly the paper deduces nonlinear transmission equation based on Optical theory makes it generalized and obtains nonlinear transmission equation synthetically taking account into all kinds of nonlinearity .
文中首先在光波理论的基础上导出了光波的非线性 传输 方程,并对此进行推广,得出了综合考虑各种非线性效应的光波非线性传输方程。
The power transmission equation and the basic principle of Erbium-doped fiber ( EDF ) amplification system is analyzed .
在前人工作的基础上分析了掺铒光纤放大系统的功率 传输 方程,解释了光放大系统的基本原理。
First transmission equation of the laser transmitting through atmospheric turbulence channel was analyzed ignoring other noises in the system atmosphere turbulence was the only cause for Bit Error Rate ( BER ) .
从分析激光在大气湍流场中的 传输 方程 出发,忽略系统中的其它噪声,仅考虑由大气喘流引起的系统误码率,讨论了激光信号在传输过程中的振幅起伏以及强度起伏;
This paper analyses the factors influencing high-order dispersion solves lossless high-order dispersion transmission equation by the perturbation method and obtains several conclusions about the influences of high-order dispersion on optical fiber solitary wave propagation .
本文分析了影响高阶色散的因素,利用微扰法求解无损耗高阶色散 传输 方程,得到了高阶色散对光纤孤立波传输影响的几个结论。
Firstly basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given .
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本 传输 方程以及给出各个参数的物理意义。
Then equivalent circuits of parallel transmission lines and coaxial transmission lines and transmission line equation are studied .
研究了平行传输线以及同轴电缆的等效电路和 传输线 方程。
First the ultrashort pulse transmission equation was derived through analyzing of the characteristics of negative refraction . Then the method of split-step Fourier was used to investigate the property propagation of ultrashort pulse .
首先通过分析负折射介质的特性,推导了负折射介质中超短脉冲的 传输 方程,然后利用分步傅立叶法研究了 传输 方程各项对超短脉冲传输的影响。
Method Based on Circuit Derive the Transmission Equation of the Coupled Microstrip Line
基于路的方法导出耦合微带线的 传输 方程
The foggy scenery degradation model based on the radiation transmission equation can describe the degradation mechanism properly and we refine a final simple restoration model by some rational assumptions .
根据辐射 传输 方程 建立的雾天景物成像的退化模型能够很好地描述雾天景物成像退化的机理,文中对此 模型进行了合理化简并导出最终的复原模型。
The temperature field in laser transformation hardening is studied with the help of Green-function . It also makes some approximation on the shape of facular and the material thermal process of calculation using heat transmission equation . The boundary condition is dealt with by the method of !
用格林函数法对激光相变硬化时的温度场进行了计算,从热 传导 方程 出发,对光斑形状、材料热物性作了恰当近似,用“像光源”方法对边界条件进行了处理。
The main method is to use gear transmission equation of no flank gear clearance and the method is feasible after putting it into practice .
应用无侧隙啮合 传动 方程式,阐述改磨插齿刀的原理和计算方法,并通过实例加以说明。
On the basis of quasi-steady theory external pressure coefficient time history was calculated from the external wind velocity time history at the opening and internal pressure coefficient time history was computed by utilizing an internal pressure transmission equation for a single opening .
根据准定常假设,由模拟得到的风速时程计算出开孔处的外压系数时程,并通过内压 传播 方程计算出内压系数时程。
According to the field matching theorem the transmission equation and scatter matrix expressions of the coaxial extractor system with support post are educed in this paper .
本文根据场匹配原理导出了具有支撑杆的同轴提取区系统的 传输 方程和散射矩阵,并对同轴提取区各部分的微波模式进行了理论分析。
The radiation transmission equation is numerically solved by high temperature gas high resolution HITEMP database for spectral radiance distributions of CO2 and H2O .
利用高温气体高分辨率光谱参数数据库HITEMP对辐射 传输 方程进行求解,得到三种情形下尾焰中CO2和H2O的光谱辐射亮度分布。
The project calculating the average and instantaneous soil heat flux is deduced from the heat transmission equation satisfied by the ground temperature .
从地温满足的热 传导 方程 出发,导出了计算土壤平均和瞬时热通量的计算方案。
Based on homogeneous equilibrium models and liquid-gas transmission equation Navier-Stokes equations are selected as a basic one and a liquid - gas quality tranmission model provided by Kunz .
该模型基于均相平衡模型和液相与汽相 传输 方程,基本方程采用N-S方程,空化模型采用Kunz等提出的汽液质量转换模型。
The Moisture Vapor Transmission Equation and Time Constant of Tobacco Packaging
烟草包装 透湿 方程和透湿时间常数
The model consists of collector plate flow channel diffusion layer and catalyst layer . The fuel in the DMFC is supposed to be uncompressible liquid whose flow is according with laminar flow . Navier-Stokes equation is the basic transmission equation in the four parts .
模型分为集流板、流体通道、扩散层和催化层,同时假定燃料为粘性不可压缩流体,其流动符合层流假设,将Navier-Stokes方程组作为各区域内的基本 传输 方程。
The SOA and its application are introduced . The nonlinear transmission equation is derived for the F-P cavity of the InGaAsP / InP quantum well SOA . The measurement scheme is designed for F-P interference and the nonlinear transmission and loss of the sample are measured and analyzed .
介绍了SOA及其应用,推导了InGaAsP/InP量子阱SOA的F-P腔的非线性 传输 方程,设计了F-P干涉实验测量方案,测量、研究了样品的非线性吸收系数和损耗。
The power transmission equation of VSC is simplified by coordinate transformation and the control system for transmitted power of VSC is designed by use of unsymmetrical triggering method .
并通过坐标变换简化了VSC的功率 传输 方程,还采用不对称触发策略设计了VSC的传输功率控制系统。
This paper describes the formation of the harmonic current in trolley wire and the developing process of the harmonic resonance also the analysis of the transmission equation of the harmonic current .
本文叙述了接触网牵引电流谐波的产生及谐振过程,分析了谐波电流的 传输 方程。
The numerical simulation of CH4 turbulent combustion in the three-dimensional space was done by selecting component transmission equation and eddy dissipation model .
选用组分 输送 方程和涡耗散模型对三维空间进行CH4湍流燃烧的数值模拟。
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传输方程