dispersion equation
英 [dɪˈspɜːʃn ɪˈkweɪʒn]
美 [dɪˈspɜːrʒn ɪˈkweɪʒn]
网络 色散方程; 频散方程
双语例句
- To obtain accurate normal modes quickly, the frequency dispersion equation was solved by an efficient numerical algorithm.
对于简正波，运用高效数值方法解频散方程，提高了简正波的计算精确和速度。 - By means of fluid model and linear field theory, the dispersion equation of the electromagnetic wave propagation along a cylindrical waveguide filled with an infinitely thin annular plasma.
利用等离子体流体模型和线性场理论，分别导出了无限薄环形等离子体填充圆柱波导和无限薄环形等离子体填充波纹波导中的色散关系。 - Newton iterative method was used to gain the root of the dispersion equation.
采用牛顿迭代法求解了声场频散方程的根； - The nonlinear wave equation was solved with perturbation method. The dispersion equation and the cut-off frequencies of the high-order TE modes in nonlinear dielectric film waveguide were given in different order approximation.
用微扰方法对非线性波动方程求解，导出了各阶近似下非线性介质膜波导中高阶TE模的色散方程和截止波长。 - Rayleigh wave in two-phase medium is analysed and calculated with Biot's theory of elastic wave, The dispersion equation of complex wave number and the analytic expressions of the vector of displacement field are derived.
应用Biot弹性波理论对双相介质中的瑞利波作了分析和计算，导出了复波数的频散方程和位移场失量的解析表达式。 - The dispersion equation of the circuit with an annular electron beam is obtained according to self-consistent field theory.
分析了同轴脊加载螺旋槽系统的注波互作用的线性理论，得到了此结构在小信号条件下的热色散方程。 - A complete solution of dispersion equation was gained with numerical method, and the attenuation characteristics of wave propagation in fluid filled metal pipes and PVC plastic pipes surrounded by elastic media were studied.
利用数值方法得到了频散方程的完全解，对弹性介质中充液钢质管道和PVC塑料管道波传播衰减特性进行了研究。 - F. characteristics of N end helices slow-wave system have been analysed by using method of multi-conductor transmission line, the chromatic dispersion equation and coupling impedance equation have been derived.
本文采用多导体传输线方法，分析N头螺旋线慢波系统的高频特性。导出了色散方程和耦合阻抗方程。 - The foundational principle of the nonorthogonal PD-TD algorithm is introduced, and its stability condition and dispersion equation are derived. The numerical dispersion characteristics of this method are analyzed in detail.
本文全面介绍了非正交FD-TD方法的基本原理，推导出了其稳定条件和数值色散方程，并对其数值色散特性进行了详细分析研究。 - The propagation equations and the dispersion equation are obtained in the week-field approximation.
在弱场近似下，得到了平面引力波传播方程及色散方程。 - Longitudinal ultrasonic guide wave dispersion equation of inviscid liquid-filled pipe is analyzed theoretically.
从理论上得到了充非粘性液体管道中纵向超声导波的频散方程。 - The dispersion equation of the traveling wave mode and backward wave mode are put forward for the engineering application. The coupling coefficient of the dispersion equation is simplified, whose error is about 1%.
提出了适合工程实用的行波模式和返波模式的色散方程，并对方程中的耦合系数进行了简化，误差在1%左右。 - Based on the linear elastodynamics theory, an analytical model is established for the propagation of generalized Rayleigh waves in a coated structure. Moreover, the dispersion equation is derived from the wave motion equations and the boundary conditions.
基于弹性动力学的线性理论，建立了涂层材料中广义瑞利波传播的理论分析模型，并且由波动方程和边界条件推导了波的频散方程。 - In this paper, the effects of collision on the dispersion equation of plasma are discussed under two kinds of collision models ( BGK model and LB model).
本文在两种碰撞模型（BGK模型和LB模型）下，计算了碰撞对等离子体色散方程的影响。 - Based on the dispersion equation of electromagnetic mode, the propagation characteristics in a lossy cylindrical waveguide are studied.
基于电磁模式的色散方程，研究了有损金属圆波导中电磁模式的传输问题。 - The dispersion equation has been derived and analyzed in detail.
求得了两种状态下的脉塞色散方程，并进行了详细的讨论。 - The dispersion equation of structure-acoustic coupling system was derived. The free vibration frequency of cylindrical shells was gotten by the numeric method.
对弹性介质中有限长圆柱壳的非轴对称自由振动特性进行了研究，导出了弹性介质圆柱壳耦合的频散特征方程，利用数值方法得到了圆柱壳的固有频率结果。 - In the fourth chapter, FDTD based on alternating direction implicit method ( ADI-FDTD) is discussed. Applying general method and matrix method, we deduced the numerical dispersion equation for ADI-FDTD and validated its unconditional stability.
第四章中讨论了基于交替方向隐式法的时域有限差分（ADI-FDTD），采用传统分析法和矩阵法分别推导了ADI-FDTD的数值色散和证明了无条件数值稳定性。 - It is really the dispersion equation of the dielectric structure.
这个条件实际上就是这种介质结构的色散方程。 - The potential function U ( y, z) and the characteristic admittance of single conductor Yc were calculated with numerical method, and the characteristic dispersion equation and the coupling impedance expression for this structure were derived.
用数值求解法计算了电位函数U（y，z）和特征导纳Yc，推导出曲折线的色散方程和耦合阻抗表达式，并利用电子计算机计算了不同结构参量的曲折线特性。 - This model used the finite-difference approximation to the advection-dispersion equation.
采用有限差分法离散水分方程和污染浓度方程，得到了数值计算模型。 - The dispersion equation, the radia-tion frequency and growth rate formulae are derived by using the linear fluid theory.
用流体线性理论导出了这种脉塞的色散方程和增长率公式，并进行了相应的分析与计算。 - The effect of the beam-wave interaction in ion background is analyzed by use of the linear perturbation theory. The dispersion equation and the simultaneous radiation condition of the system are derived.
利用线性理论分析了离子背景下的注-波互作用关系，导出了系统的色散方程与同步辐射条件。 - The dispersion equation of two separated beams in the cylindrical grating is derived and solved.
利用流体理论和场匹配的方法导出了分立双电子注激励圆柱光栅的色散方程，并进行了求解。 - Using the small-signal dispersion equation and backward-wave linear gain to analyze the absolute instability.
从回旋行波管的小信号色散方程和返波线性增益出发，对绝对不稳定性进行了理论分析。 - In the low-frequency domain of this numerical dispersion equation is solved with the change in porosity of the dispersion curves and attenuation curves and polarization curves.
在低频域内对此频散方程进行了数值求解，得到随孔隙度的变化的频散曲线和衰减曲线及偏振特性曲线。 - A dispersion equation which can describe the instability of bubble growth is derived based on the linear instability analysis method.
为研究气泡的不稳定生长对气泡／液滴系统破碎的影响，利用线性不稳定性分析法推导了气泡生长不稳定性的色散方程。 - According to the free boundary conditions on the half-space, the dispersion equation of Rayleigh wave is derived.
根据半空间自由边界处的边界条件推导出Rayleigh波的弥散方程。 - Concerning the complexity of the dispersion equation, the numerical calculations are performed.
考虑到色散方程的复杂性，我们进行了数值计算。 - The proposed LH waveguide is analyzed by means of field theory and its unit dispersion equation is obtained.
采用场论的方法对提出的结构进行了分析，得到了谐振槽耦合腔链异向波导单元的色散方程。