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传播
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  propagation
    Study on Microwave Scattering and Propagation of Terain and Sea and Their Applications to Radar and Remote Sensing
    地海面微波散射和传播特性研究及其在雷达和遥感中的应用
短句来源
    Research on Several Electromagnetic (Optical) Wave Propagation Problems on Earth-space Path in Troposphere Atmosphere
    对流层地—空路径电磁(光)波传播的若干问题研究
短句来源
    Nonlinear Propagation of Electromagnetic Waves in Gyromagnetic Materials
    电磁波在旋磁材料中的非线性传播特性
短句来源
    Study on Theory and Solving Method for Propagation and Interaction of Finite-amplitude Waves and Solitary Waves in Fluid and Solid Media
    流体与固体介质中有限振幅波、孤立波的传播和相互作用的理论与求解方法研究
短句来源
    MATRIX ANALYSIS OF PULSE WAVE PROPAGATION ON MULTI-CONDUCTOR TRANSMISSION SYSTEM
    脉冲波沿多导线传输系统传播的矩阵分析
短句来源
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  propagating
    HETEROGENEOUS PLANE WAVE PROPAGATING IN IDEAL LIQUIDS
    传播于理想液体内的非均匀平面波
短句来源
    RESEARCH OF SONIC WAVE PROPAGATING IN ELASTIC SOLID
    声波在弹性介质中的传播问题研究
短句来源
    FD-TD Method for Studying Transient Electro-Magnetic Waves Propagating and Dispersing in Chromatic Dispersion Media
    瞬态电磁波在色散介质中传播与散射的FD-TD方法
短句来源
    Study of Microwave ECR Plasma Propagating Property
    微波ECR等离子体的传播特性研究
短句来源
    The results show that: the velocity of Rayleigh wave propagating on cylinder is greater than that in a plate with the reduction of the radius of cylinders and the gradual increase of the velocity of Rayleight wave.
    根据Rayleigh波波形表现的时间特性,分析了圆柱面上Rayleigh波传播的特点,结果表明:随着曲率半径的减小,Rayleigh波波速逐渐增大,Rayleigh波在圆柱上传播速度大于在平面上的传播速度。
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  the propagation
    The propagation formula of gaussian beams in the optical system and its applications
    高斯光束通过光学系统的传播公式及其应用
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    The propagation of two-frequency fields in a two-level dressed atom system
    双频光场在二能级Dressed原子介质中的稳态传播
短句来源
    The Propagation of Elliptic Gauss Light Beam in Space
    椭圆高斯光束在空间的传播
短句来源
    ON THE PROPAGATION OF SECOND-ORDER RADIATION WAVE IN TWO DIMENSION
    二维辐射波二阶解的传播特性
短句来源
    3-D Complex Ray Theory for Analyzing the Propagation of Evanescent Waves
    分析凋落波场传播的三维复射线理论
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    THE SURFACE ACOUSTIC WAVE DIFFRACTION EFFECT ON 127.86°Y-ROTATED LITHIUM NIOBATE
    127.86°Y旋转、X传播铌酸锂上声表面波的衍射效应
短句来源
    STUDY ON REDUCTION OF NONLINEAR DISTORTION OF FINITE AMPLITUDE SOUND WAVE
    有限振幅声波非线性传播畸变消除的研究
短句来源
    Characteristics of Z-Propagating Acoustic Surface Waves on X-Cut LiNbO_3 and Measurement of Related Parameters
    X切铌酸锂(LiNbO_3)晶体Z方向传播声表面波特性研究及参数测定
短句来源
    Skin-effect of Pressure Waves in an Elastic Tube Filled with Liquid
    压力波在充满液体的弹性管道内传播的集肤效应
短句来源
    The Experimental Result of Nonpropagating Solitary Waves Observation
    非传播孤立波的观测及实验结果
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  propagation
We give strong evidence that the analog of finite propagation for the wave equation does not hold because of inconsistent scaling behavior in space and time.
      
Prolate Spheroidal Wave Functions (PSWFs) are a well-studied subject with applications in signal processing, wave propagation, antenna theory, etc.
      
This transformation is particularly useful for the research on wave propagation in acoustic waveguide.
      
The authors also modified the brief propagation decoding algorithm, proved the symmetry and showed the stability conditions of the channels, and calculated the Shannon limits on Rician channels in this paper.
      
Moreover, the proposed algorithm can be used in both homogenous and heterogeneous wireless networks, and it can also work without an explicit propagation channel model or the position information of nodes.
      
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  propagating
The scattering of plane time-harmonic electromagnetic waves propagating in a homogeneous chiral environment by a perfectly conducting grating is studied.
      
Permissions propagating to control, conflict and cyclic in delegable model were analyzed and resolved.
      
Compared with conventional methods, this motion measurement algorithm based on multi-level simultaneous wavelet transform avoids propagating errors between the decomposed levels.
      
In this review article, we discuss both experimentally and theoretically the second-order double-slit interference for a thermal light source which is random in transverse propagating direction.
      
Much of our work has direct impact on the study of similar discrete phenomena in systems beyond optics, including sound waves, water waves, and matter waves (Bose-Einstein condensates) propagating in periodic potentials.
      
更多          
  the propagation
The propagation of drought-resistant transgenic poplars is one of the more effective ways to improve the ecological state of arid regions.
      
It is important to analyze the propagation characteristics of guided waves in acoustic leak location in pipelines.
      
Photonic crystal, a novel and artificial photonic material with periodic dielectric distribution, possesses photonic bandgap and can control the propagation states of photons.
      
The recent progresses on the propagation, generation and application of partially coherent beam (PCB) are reviewed in this paper.
      
A new tensor ABCD law for treating the propagation of partially coherent Gaussian-Schell model (GSM) beams through a paraxial optical system is derived.
      
更多          


~~

文中讨论了无切变弹性、介质参数为线性函数的非均匀层中当了H/λ>>1时的点源波场(H为层厚,λ为波长),对三种非全反射的界面所形成的反波导传播,进行了理论探讨。在使用温-克-布(W.K.B.)近似下,对场的简正波的频散方程,得到了射线解释。在引用数值反射系数边界条件下,给出以反射系数表征的波动影区的场强公式:为I~f/re~(r/2)(a/2H)~(1/2)·ln|V|,r为距源的水平距离,H为层厚,α为波速梯度。V为层下界面的平面波反射系数。

~~

本文从理论上较详细地分析了慢波,快波及非慢波等不同类型的电磁波在具有中心导体的螺旋线上的传播。采用 L·S tark 提出的较严格的分析方法,所得结果比CoBeToB 给出的较严格和正确。对于具有重要实际意义的非慢波作了讨论,也研究了快波存在的可能性。文中计算了慢波传播时的功率流及耦合阻抗。对于非慢波存在的可能性作了实验验证,指出:当系统受到水平(轴向)徧振的场直接激励时将会产生这种非慢波,测得的非慢波波长与理论所给定量相符。文中提出了防止非慢波出现的具体途经。实验工作是在9—30厘米波段内进行的。

We derived the gyromagnetic permeability of an antiferromagnet. From the Maxwell equations combined with the permeability we solved for the plane wave solution of the electromagnetic oscillations in an antiferromagnetic medium of infinite extension. Both the exchange effect of the medium and the relativistic effect of the wave propagation were included in this treatment. We calculated the dispersion of waves and obtained a rough estimation for their penetration depth in the medium.

本文是考虑到电磁波的相对效应(位移电流起作用)和介质的交换效应,对反铁磁体中的电磁振荡的频散作了一定的讨论,并计算了频谱的偏振态。另外,考虑到介质中有阻尼存在,对耦合振荡的传播和衰减作了讨论,并粗略地估计了振荡的穿透深度的数量级。

 
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