The change in direction of a propagating wave when passing from one medium to another.
传播中的波从一种介质传入另一种介质方向发生改变的现象。
Based on those two methods, a new algorithm - Double Propagating Wave algorithm is presented to find a optimum global path.
在这两种方法的基础上，本文提出了基于双波传播算法的全局路径规划方法。
An active control method based on a flexural propagating wave model for a long and thin beam with a piezoceramic actuator is investigated both analytically and experimentally.
从理论和实验两方面研究了基于行波模型的结构梁响应控制方法。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
The change rules of wave parameters are examined theoretically when linear waves propagating over the silted sloping floor.
从理论上分析了线性波在有底坡的淤泥质床面上传播时波要素的变化规律。
The failure wave phenomena in glass media under shock loading are analyzed. The propagating mechanism and dynamic characteristics of failure wave and the property of failure layer are revealed.
分析了玻璃材料在高速冲击条件下的破坏波现象，对破坏波的传播机制及其动态特征以及破坏层的性质进行了研究。
And low permeability reservoir is slower than mid-high permeability reservoir in pressure wave propagating velocity.
低渗透油藏比中高渗透油藏的压力波传播速度慢。
The results show that a downward propagating gravity wave packet can be excited by two up-going gravity wave packets owing to the nonresonant interaction.
研究表明：两个向上传播的重力波波包，通过非共振相互作用，也能激发出一个向下传播的重力波波包。
The Parabolic Equation method (PE) is an approximation of the wave equation, which models energy propagating in a cone centred on a preferred direction, the paraxial direction.
抛物线方程（PE）是波动方程的一种近似形式，它假设电磁波能量在沿着抛物线轴向的锥形区域内传播。
Stress wave propagating in elastic structures under impact or explosive loading is a very difficult problem analytically. But the problem could be analysed by dynamic photoelasticity.
爆破与高速冲击载荷产生的应力波在弹性结构物中的传播，在理论分析上极为困难，但这类问题可以用动态光弹性法进行分析。
The results indicate that the disintegration of the jet column is caused by the surface waves propagating along the jet body. The jet breaks up at the wave trough.
结果表明：沿射流柱表面传播的表面波是引起射流柱破碎的主要因素，破碎点位于表面波的波谷。
Energy dissipation or wave height attenuation is analysed theoretically for water waves propagating on a non-uniform current.
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。
Building on direct numerical calculation, it analyzes the dynamics of atoms propagating through a laser standing wave (SW) potential in the regime of immersion-lens.
通过直接的数值模拟，分析了原子束在激光驻波场下传播的动力学行为。
The pile is simplifyed as an one dimensional elastic rod. The propagating characters of strain wave and displacement wave in different piles are studied.
将基桩简化为一维弹性杆，研究了位移波和应力波在不同类型的基桩中的传播特性。
To investigate the applicability of the numerical model, further numerical simulations of wave propagating over a submerged bar are done.
为进一步验证数值模型的适用性，模拟了淹没潜堤上的传播变形。
The physical fundamentals of electromagnetic wave imaging logging in multiphase flow deal with the wave propagating characteristics and the fluid electromagnetic properties in oil wells.
研究多相流动电磁波成像测井要涉及到两个物理基础问题：一是油井中电磁波的传播特性，二是油井中流体介质的电磁性质。
A numerical algorithm is set up for the retrieval of optical turbulence spectrum from high-frequency temporal spectra of a light wave propagating through a turbulent atmosphere.
建立了一种数值算法，从光波在湍流大气中传播的闪烁时间频谱的高频特征反演大气光学湍流谱。
Numerical modeling results for seismic wave propagating in rocks with random dis- tributed fractures using a staggered high-order finite-difference (SHOFD) are also presented.
最后，利用高阶的交错网格有限差分方法，我们模拟了地震波在具有随机分布裂缝岩石中的传播特征。
The propagating characters of strain wave and displacement wave in different piles are studied.
将基桩简化为一维弹性杆，研究了位移波和应力波在不同类型的基桩中的传播特性。
Whereas in the vicinity of solar equator, propagating disturbance is regarded as fast mode wave, and a standing disturbance is found to be located near the source region.
而在赤道附近，传播扰动是快模磁声波，在源区附近还存在一非传播的扰动。
A slow shock-fast magnetosonic wave system formed near the sun evolves into a hybrid shock with an intermediate shock as its necessary component while propagating outward.
太阳附近形成的慢激波-快磁声波系统，将在向外传播的过程中演变为以中间激波作为必要组成部分的混合激波。
Deflagration is combustion wave propagating at a velocity less than the speed of sound.
爆燃过程是一种以低于音速而传播的燃烧波。
According to the NAH theory and propagating characteristics along different directions, sound field separation technique can be established in the wave-number domain.
从近场声全息原理出发，利用声波沿不同方向传播的特点，针对平面、柱面和球面全息测量建立了波数域内的声场分离公式。
The paper analyses the stress wave propagating in a variable section bar using HONDO finite element computer program .
利用HONDO有限元程序对应力波在变截面杆中的传播进行了分析。
According to stochastic characteristics of electromagnetic wave propagating in wireless channels, stochastic rays are employed to model electromagnetic wave propagation.
根据电磁波在无线信道中传播的随机特性，使用随机射线建模电磁波传播。
The amplitude and period of a phase at a receiving point depend on source strength and the effect of medium on seismic wave in the propagating from source to the receiving point.
测点上某一震相的振幅和周期决定于震源强度以及震源到测点的整个传播过程中介质对震波的影响。
The active control of torsional wave propagating in a shaft and the LMS algorithm are described in this paper.
对扭转弹性波的主动控制系统以及L MS算法进行了描述。
This method describes seismic wave propagating more accurately than others which are based on linear model of layered medium.
这种方法和以层状介质线性模型为基础的求解波场的其它方法相比较，能更精确的反映地震波的传播情况。
By applying a matrix approach, the stress wave propagating in an elastic bar is studied.
应用矩阵方法，研究了应力波在弹性杆形部件中的传输特性。
By applying a matrix approach, the stress wave propagating in an elastic bar is studied.
应用矩阵方法，研究了应力波在弹性杆形部件中的传输特性。
应用推荐