英语释义

1. a wave whose wave fronts are plane surfaces corresponding to parallel rays
light waves from the distant stars are virtually plane waves when they strike a telescope lens

片语

plane electromagnetic wave[电子]

plane elastic wave平面弹性波

plane sh wave平面sh波

fault plane reflection wave断层面反射波

plane sinusoidal wave平面正弦波

Plane P wave平面P波

plane polarised wave平面偏振波

plane detonation wave generator平面波发生器

plane shock wave平面激波

英汉例句

• it was performed by adopting the first-principles calculation of plane wave ultra-soft pseudo-potential technology based upon the density function theory(dft).

  所有计算都是基于密度泛函理论（dft）框架下的第一性原理平面波超软赝势方法。

• in this paper, the development of 900 plane wave loader with soft-stiff rings for soil, the verification including static and dynamic experiments are introduced.

  介绍了用于抗爆试验研究的90 0带软硬环的土平面波加载器的研制过程、静力与动力验证试验。

• the optical properties and electrical structure of v in zns supercell have been computed by means of plane wave pseudo-potential method(pwp) with generalized gradient approximation(gga).

  运用密度泛函平面波赝势方法（pwp）和广义梯度近似（gga），对替代式掺杂钒（v）的闪锌矿（zns）的超晶胞电子结构进行了计算。

• the plane wave expansion method is used to analyze the photonic crystal, and is translated into the scope of the fiber bragg gratings.

  利用平面波展开法对光子晶体进行理论研究 ，将研究方法移植到光纤布拉格光栅上 ，并对其进行数值分析 ，得到光栅的传输特性。

• the equivalence principle and moment method are used to derive the expression of equivalent magnetic current in the main cavity excited by the plane wave in the half-space.

  利用等效原理和矩量法导出了由半空间中平面波在主谐振腔中激励的等效磁流的表达式；

• the numerical results are discussed and compared with those obtained in the plane wave incident case.

  讨论了波束宽度等因素对其散射特性的影响并与平面波入射的结果进行了比较。

• after that, we systematically analyzed the scatter feature of free electrons by three optical cycle plane wave pulse.

  在这一部分，我们首先研究了电子从平面波光脉沖获得能量的条件。

• the electromagnetic coupling of an incident plane wave through some small apertures into a shielding cavity is studied.

  研究了平面电磁波与带多孔的屏蔽腔体的耦合问题。

• applications of plane wave migration method and their effectiveness on common shot gathers and common offset gathers are also presented.

  给出了平面波偏移方法在共炮点道集和共偏移距道集数据上的应用以及效果评价。

• in this paper, a unified formulation to determine the terminal currents of an arbitrarily bended cable excited by a plane wave at any polarization angle is presented.

  该文给出了架设在地面上的任意弯曲电缆在任意极化平面波照射下，其终端感应电流的通用表达式。

• general sh waves with arbitrary waveforms can be modelled by stacking of all the fundamental harmonic plane wave solutions obtained using the approach.

  通过求取不同频率不同波数平面简谐波解并按实际问题加权迭加可求解具特定波形和传播方向组合的任意sh波场。

• electromagnetic theory, statistical plane wave theory and the ray tracing theory of reverberation chambers are studied in chapter iii.

  第三章论述了混响室的电磁场理论、混响室平面波统计理论和混响室射线理论。

• the photonic band structures are calculated by use of the plane wave expansion method in combination with supercell technique and the guide modes at interface are investigated.

  并用平面波展开加超元胞方法计算了它们的光子带隙结构，发现了理想的界面传导模。

• compared with the plane wave incidence, when the gaussian beam is incident, the center electric magnitude is smaller, but the diffraction efficiency is higher.

  与平面波相比，高斯光束入射下的焦点处中心场强较小，但衍射效率较高。

• for scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.

  分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。

• the tunability of directional band gap in a two-dimensional photonic crystal of air holes in a semiconductor matrix is demonstrated numerically, using the plane wave expansion calculation.

  采用平面波展开法证实了填充液晶的二维三角形分布的空气孔光子晶体方向能隙的可调节性。

• with the method of plane wave spectrum(pws) , a 2-d electromagnetic scattering problem, the influence of a cylinder on a continuous antenna, is solved. the formulae given in this paper are accurate.

  用平面波谱法，求解圆柱对连续口径天线的二维散射问题，给出圆柱对天线远场的散射影响，得到精确的公式。

• in the first part from ch. 1 to ch. 5, plane wave method (pwm) and multiple scattering theory (mst) are used to study the classical wave propagations through two-dimensional periodic and random media.

  第一部分利用平面波方法和多体散射理论，对经典波在二维周期结构和无序介质中的传播特性进行研究。

• the description of a plane wave diffracted by a circular aperture is directly started from the maxwell's equations.

  平面波经圆孔光阑衍射的表征是直接基于麦克斯韦方程组。