现在,研究者们正在创造一种奇妙的实验室工程材料,它可以让几乎任何一种传播中的波绕过其遮蔽的物体。
Now researchers are creating laboratory-engineered wonder materials that can conceal objects from almost anything that travels as a wave.
捕捉过程是这样的,因为低频波可以传输到更远的距离,当它们遇到地下的空穴或其他物体反射回来的时候,已经距地面的接收装置很远了。
The catch is that because low-frequency waves can travel great distances, when they do bounce off cavities or objects underground, they often end up far from the detection equipment at the surface.
做这件斗篷的材料很特殊,能使包括雷达或光波在内的各种波遇到物体后发生偏转,就象溪流遇到光滑的石头那样。
Cloaking used special materials to deflect radar or light or other waves around an object, like water flowing around a smooth rock in a stream.
这种重力波据推测可以改变物体间的距离(当然极微小)。
This wave is theorized to slightly change the distance between physical objects.
使时空弯曲的波纹被称为引力波,引力波能使任何穿过它的物体暂时扭曲变形。
These waves of curvature in space-time are known as gravitational waves and will temporarily distort any object they pass through.
随着物体在空气中飞过,气体分子被强大的力推到一边,形成了一个船的舷波一样的冲击气流。
As objects travel through the air, the air molecules are pushed aside with great force and this forms a shock wave much like a boat creates a bow wave.
入射波会在物体另一侧重新聚首,就好像什么都没遇到一样。
The waves meet up again on the other side, appearing just as they would if nothing were there.
为此我们需要将光分解为数个波的形式,目前还不清楚当光源靠近物体时,光子是否能分解并形成新的波,如果使用光线技术,光子在近距离破坏,物体无法实现隐形。
If we use ray optic techniques where light travels in beams - photons break down at close range and the object does not appear invisible.
本文给出了由运动物体所生成内波的基本方程组和对应的谱方程组。
A basic equation of internal waves generated by moving body and its corresponding spectrum equation are presented in this paper.
一部分波从所遇到的物体反射回来,形成一种信号,称为回波信号。
A portion of the waves is there reflected from the object encountered and forms what is referred to as the echo signal.
每一物体都以电磁波的形式辐射热。
Every body radiates heat in the form of electromagnetic waves.
超距离物体之间的引力作用,正是由它(物质波)做媒介进行相互作用的,这也就是我们所要寻找的引力场。
The gravitation between ultra distant objects interacts, with the material wave as its medium. That is the gravitation field we want to find.
质量越大的物体,产生的引力波就越大,也就越容易被科学家探测到。
The more massive the object, the larger the wave and the easier for scientists to detect.
因为诸如波校正,亮度甚至物体的检测过程。
Since processes such as wave calibration, brightness and even the detection of objects.
满足夫琅和费远场条件的两个物体,z值大的物体将被环数少的菲涅耳波带板扫描,具有小而平直的孪生像噪声振幅;
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
换一种方式,我们可以这样想象:入射波被物体反射,所得到的衍射波再一次受到物镜的衍射。
Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens.
计算了自由面的速度势、自由表面波高时间历程和物体受到的波浪力。
The potentials on the free surface, the time histories of wave elevations and wave forces on the body are calculated.
生物体是最敏感的电磁波接收者。
The Organism is the most sensitive receiver of electromagnetic waves.
和我喜欢收集石头一样,我知道克鲁西城国王波森那是多么喜爱搜集闪光的物体。 我跑到他藏东西的老橡树上,找到了妈妈的顶针。
I know how Lars Porsena of Clusium has a fondness for collecting things of bright colors, like unto my fondness for collecting rocks, so I ran to his hiding place in the old oak tree.
基于热传导波动模型给出了物体中热波多重散射问题的一般解。
A general solution of multiple scattered waves in solids based on wave equations of heat conduction is given.
本文根据光的直线传波规律和折射定律,分析了观察水中物体成清晰像的条件。
This paper, based on the straight-line transmitting law and refraction law of light, analysed the conditions that the image of object in water will be clearly observed.
FDTD广泛应用于研究电磁波与各种物体的相互作用,如微波、光镊、近场光学、细胞中光场分布的数值求解。
FDTD is widely used in the analysis of electromagnetic problems, such as microwave, Optical tweezers, near field optics and so on.
每个房间的功能,使用电磁波以直接从一个物体传递热到另一个,而不影响一个辐射板的空调系统中的空气之间。
Each room features a radiant panel air conditioning system that USES electromagnetic waves to transfer heat directly from one object to another without affecting the air in between.
目标物体上表面波的衰减吸收对目标的隐身起到很大的作用。
Attenuating and absorbing of surface wave on targets is vital for targets' stealth.
同时,碳晶板会大量产生向上的远红外波,对室内物体进行制热。
At the same time, carbon crystal plate will produce a large number of the far infrared wave, of the object in the room for heating.
引力波的强度决定了物体形变的程度。
The strength of the gravitational wave determines how much an object will change in shape.
在静水槽中进行了分层流体中运动物体生成的内重力波与自由面相互作用的实验研究。
The experimental research of the interaction between a free surface and the internal wave generated by a towed sphere in a stratified fluid is conducted in the water tank.
在静水槽中进行了分层流体中运动物体生成的内重力波与自由面相互作用的实验研究。
The experimental research of the interaction between a free surface and the internal wave generated by a towed sphere in a stratified fluid is conducted in the water tank.
应用推荐