This is equivalent to an angular distribution of constituent plane waves.
这等价于各种成分的平面波的角分布。
For a receiver antenna, the real target signal is basically of plane waves.
对接收天线而言,实际目标基本上是平面波。
Under the approximation of second degree the solutions contain linear plane waves.
在二阶近似下,有线性平面波解。
Previous research on acoustic scattering was generally on the premise that the incident waves were plane waves.
声散射问题的研究一般建立在入射波为平面波的基础上。
Seismic and electromagnetic waves are treated as plane waves even though that assumption is not strictly correct.
即使假设并不严格成立,也常把地震波和电磁波看作是平面波。
The method suits for the diffraction of optical plane waves with arbitrary incident direction and polarization direction.
该方法适用于任意入射方向,任意偏振态入射场衍射问题的研究。
Three plane waves with three equal angles formed by each two wave normal lines are recorded on hologram by three exposures.
采用三次曝光在全息图上依次记录下三个两两波法线夹角相等的平面波。
To avoid such interference in a line array, a special adapter between the driver and the horn must be devised to produce plane waves.
为了避免声干涉,线性阵列改变了传统的结构,在号筒和驱动器之间做了特殊的设计,更有效于发出平面波。
Based on the principle of superposition of plane waves, the same expressions are derived as those based on Maxwell 'e field equations.
从平面波叠加原理出发,导出与从麦克斯韦方程组出发同样的表达式。
However, in shallow water, because the arrival signals of the vertical linear array are not plane waves, the spatial gain needs to be estimated properly.
而在浅海环境中,由于到达垂直线列阵的声波并不满足平面波假设,其空间增益需要作出正确估计。
Simulation results are given to illustrate the excellent performance of the neural networks for estimating and tracking the direction of arrival of plane waves.
模拟实验结果显示了该神经网络方法进行平面波到达方向估计与跟踪的优良性能。
A view popular in physics is to start with uncharged electrons and cores, which are therefore both free and plane waves and can have any energy, and then fade in the charge.
物理学中流行的方法是从不带电的电子和原子核出发,因为它们是自由的平面波,可以具有任意能量,并在带电后衰减。
"Tsunami waves in the deep ocean travel about the same speed as a jet plane and would take about 15 hours to reach Hawaii and about 20 hours to reach the other side of the Pacific, " he said.
海啸波在深海传播速度近似于喷气式飞机,大约15小时后到达海地,20小时后到达太平洋彼岸。
Stealth aircraft rely on shapes that prevent radar waves from bouncing back to their sources and on materials that absorb radar energy (stealth-plane time line).
隐形飞机依赖其外形来逃避雷达,这种外形能避免雷达波从机体资源上反射信号、且含有能吸收雷达能量的物质。
The hijackers had previously released two waves of hostages, beginning with the women and children on board the plane.
这些劫机者此前释放了两波人质,最开始被释放的是飞机上的妇幼。
An analytical series solution for dynamic stress concentration of lined cavities in a half space under incident plane SV waves was given by using wave function expansion method.
采用波函数展开法给出了半空间中衬砌洞室群在平面SV波入射下动应力集中问题的一个级数解析解。
This paper studies the scattering of plane compressional waves by a spherical inhomogeneity with a sliding interface embedded in an infinite homogenous media.
本文研究了无限各向同性基体中的滑动界面球形单夹杂对平面压缩波的散射问题。
Polarization: All light travels in the form of waves, and these waves vibrate in all directions along its path. Polarions of the waves to one plane only.
偏光化:光是以波动形式前进,并沿着前进路线向四方八面振动。偏光化的效果是把光波的振动限制于单一个平面上。
The first step of the migration is performed within the perpendicular plane, and the second step of migration is the spatial migration of the side waves.
第一步偏移的实质是在铅垂平面内完成偏移归位,第二步偏移是在空间内完成侧面波的空间归位。
Based on the fault zone trapped waves observed in Kunlun Mountain Pass region, the width of the rupture plane is deduced to be about 300 m and is greater than that on the surface.
根据昆仑山口西地震测线断层围陷波的观测结果,可推断该处破裂面宽度为300 m左右,远远大于地表破裂带的宽度。
In this article, we derive complex expansion formula of spherical and cylindrical waves by comparing the stacking field of complex ray and the close-form solution in the plane spectral domain.
通过在平面波谱域中比较复射线束叠加场和标准解的方法,导出了球面波和柱面波的复射线束展开系数公式。
The traveling ship and the calm sea, the sea and the hit up (plane) ups and downs (vertical), splashing the waves.
行进中的船舶与平静的海面撞击,激起海面的曲折(平面)起伏(竖向),溅起浪花。
Plane and spherical waves in the cases of zero and non-zero turbulence inner scale are given as examples for illustration of the general behaviors of scintillation indices.
举例给出了有限湍流内尺度情况下平面波和球面波闪烁指数的通用表达式。
This oblique configuration redistributes the shock waves that pile up in front of a plane at Mach speeds and cause drag.
这种倾斜的外形把超音速飞行时集中在飞机前部并形成阻力的冲击波重新分布。
The above observation reveals that these waves may originate near the equatorial plane and propagated to high latitudes then be observed by TC-2.
以上特性显示这些波动可能产生于磁赤道平面附近,在向中高纬传播时被TC - 2观测到。
The surface waves propagating on conducting plane covered with lossy media are analyzed.
用横向谐振法分析有耗介质涂覆导体平面上的表面波。
Maxwell equations: Lorentz force, plane electromagnetic waves, radiation, light waves, reflexion, refraction, Huyghens principle, diffraction, interference phenomena.
麦克斯韦方程组:洛仑兹力,平面电磁波,辐射,光波,反射,折射,惠更斯原理,衍射,干涉现象。
Owing to the presence of interface of dielectric and air, it is required to impose three waves, including incident plane wave, reflected and transmitted waves at the total-scattered field boundary.
考虑入射波在两种介质界面上会产生反射和透射,故在总场边界上引入入射波、反射波和透射波。
Owing to the presence of interface of dielectric and air, it is required to impose three waves, including incident plane wave, reflected and transmitted waves at the total-scattered field boundary.
考虑入射波在两种介质界面上会产生反射和透射,故在总场边界上引入入射波、反射波和透射波。
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