进而建立了非均匀波纹慢波结构返波管的线性理论,给出非均匀慢波结构返波管中起振电流的计算表达式。
Furthermore, we established a linear theory of the non-uniform slow wave structures and formulated the expression of the starting current.
研究表明,在非均匀磁场情况下,阿尔芬波通过自相互作用也可以形成局域涡旋结构。
The result shows that in the presence of inhomogeneous magnetic field. the shear Alfvenwaves will be able to form localized vortex structures through their self-interactions.
本文研究非均匀磁场中非线性剪切阿尔芬波。
Nonlinear shear Alfven waves in an inhomogeneous magnetic field have been investigated.
推导了用于非均匀各向异性弹性波场正演的伪谱法基本公式。
The basic formula of pseudo spectral method are derived for simulating inhomogeneous anisotropic elastic waves field.
首先讨论了波在非均匀损伤介质中传播的正问题,根据已知介质的性质和入射的波,求出接收处波的响应。
By the property of media and incident wave to seek of response wave, the problems of wave propagation in inhomogeneous damaged zone media are studied at first.
提出了一种非均匀各向异性介质中弹性波传播的数值模拟算法。
A new numerical simulation algorithm is presented for the elastic wave propagation in heterogeneous anisotropic media.
我们利用这些高精度的走时数据研究了地幔体波的走时残差的范围及地幔非均匀性的强度。
These mantle body wave data are used to investigate the range of variations in the travel time residuals which indicate the degree of mantle heterogeneity.
本文提出了一种利用反射波走时曲线计算垂向非均匀介质速度和反射界面深度的方法。
A method is presented, which makes it possible to calculate velocity and interface depth of the reflected wave in a vertically inhomogeneous medium.
非均匀介质中的孤子和孤波对于相对论量子力学和量子电子学(例如红外孤子激光器的研究)是很有意义的。
Solitons and solitary waves in inhomogeneous media are of interest in relativistic quantum mechanics and quantum electronics, e. g. in research on infrared soliton lasers.
对于复杂非均匀介质,可以利用地震散射波来研究其分布和性质。
For complex heterogeneous medium, the distribution and characteristics of its heterogeneity can be studied by seismic scattering wave.
本文研究电磁波在一类特殊非均匀媒质中的反射问题。
The reflection of electromagnetic waves from inhomogeneous medium with a special profile is investigated.
应用几何光学中的射线理论,直观地讨论了准定常波在时间平均基流中的传播,解释了定常波传播的纬向非均匀性。
The ray theory of geometric optics was applied to visually investigate the propagation of quasi stationary waves in time mean basic flow and interpret the zonal nonhomogeneity.
本文应用WKB方法研究了在弱非均匀层结大气中,当基本气流具有弱垂直切变时,重力惯性内波的稳定性问题。
This paper discusses the stability of internal inertial gravity wave in the heterogeneous stratified atmosphere when basic flow appears to be weak vertical shear by the WKB method.
本文从非均匀介质中波动方程出发,提出了基于一般标架的相空间(局部角度域)波传播的步进算法。
A phase-space(local angle domain) marching algorithm of wave propagation is proposed in the general frame case, based on the wave equation for inhomogeneous media.
本文对波浪在非均匀流动中传播时的波能耗散或波高衰减进行了研究。
Energy dissipation or wave height attenuation is analysed theoretically for water waves propagating on a non-uniform current.
介绍了波在非均匀损伤介质中的传播的反问题,根据波的响应来反演介质的损伤。
Inversion of wave propagation in inhomogeneous damaged media is studied, and damage degree is obtained according to received wave response.
提出了一种基于辛几何的高频近似的新方法,并用此方法求解了电磁波在一非均匀媒质中的传播问题。
A new symplectic geometrical high frequency approximation method for solving the propagation of electromagnetic wave in an inhomogeneous medium is presented.
双感应测井在油田现场应用非常普遍,其数据反演属于非均匀介质中电磁波逆散射问题范畴。
Inversion of dual induction logging measurements belongs to the category of electromagnetic inverse scattering in nonhomogeneous media.
本文所研究的主要内容是导体和邻近的非均匀介质与时域电磁波相互作用的数值分析问题。
This paper deal with the a computational electromagnetics method, which enables the interactions between arbitrary shape antennas and inhomogeneous dielectric volumes in time domain to be analyzed.
导出了非均匀等离子体中线性波的色散方程,并在一些特殊情况下进行了讨论。
The general dispersion relation of the linear waves and its reduced form in certain particular eases are obtained.
基于互耦矩阵的特殊结构,给出了一种更具一般性的非均匀圆阵模型,提出了一种在未知互耦条件下的非均匀圆阵波达方向估计算法。
Based on the special structure of coupling matrix, a direction of arrival (DOA) estimation algorithm in the presence of unknown mutual coupling for the nonuniform circular array (NUCA) is presented.
该算法可以在不知道地表层的详细资料的情况下,消除地表层散射、多次波和非均匀性等的影响。
It may be used to remove some negative influences of scattering, multiple wave and inhomogeneity in surface layer when people don't know the detailed data of surf...
研究了波在非均匀损伤介质中的传播及波动方程的反演。
The theory of waves propagation in inhomogeneous damaged zone and inversion of wave motion equations are studied.
同时对二维和三维均匀介质以及二维非均匀介质中的弹性波传播进行了数值模拟。
Besides, the numerical simulation of elastic wave fields for 2-d and 3-d homogeneous cases and the inhomogeneous case are also presented in the study.
对弹性波在非均匀介质中传播时的波幅进行了研究。
Elastic wave transmission in a continuous inhomogeneous media is studied.
对几种非均匀损伤介质中波的传播进行了实例数值计算,并和其解析解的结果进行了比较,讨论了弹性波在非均匀损伤介质中传播的一般性质。
The basic properties of elastic wave propagation in inhomogeneous damaged media were discussed by examples and the numerical results were compared with analytical results.
提出一种新的三维空间不规则网格有限差分方法,模拟具有地形构造的非均匀各向异性介质中弹性波传播过程。
This paper presents a new 3d finite-difference (FD) method using spatially irregular grids to simulate elastic wave propagation in heterogeneous anisotropic media with topographic structures.
第二章研究了体非均匀性对垂直磁化薄膜中的自旋波的影响。
The effect of bulk heterogeneity on spin waves in a perpendicular magnetization film, are discussed in chapter 2.
第二章研究了体非均匀性对垂直磁化薄膜中的自旋波的影响。
The effect of bulk heterogeneity on spin waves in a perpendicular magnetization film, are discussed in chapter 2.
应用推荐