电磁波

The conditions of antinode and node formed on the ground are also discussed.

讨论了电磁波垂直于地层传播时，与反射电磁波干涉产生的驻波，并得出在地面形成波腹与波节的条件。

Under the control of microprocessor, this product with an oscillating implement embedded in can produce mulriple-scanning pulse electromagnetic wave with variable frequency and mulriple frequency conversion ultrasonic. Electromagnetic wave can get rid of the pests around electrical wire and ultrasonic can dispel the pests in other areas of the room. The product sends out frequency conversion signal of ultrasonic to circumambience. Once touches objects, it reflects and permeates the room. The combining of the two waves has mulriple effects on the central nervous and hearing system of the pests such as rats, cockroachs, spiders and ants. As a result, the pests would be on the rack and agonizing or even have the symptom of swivet and twitch.

它由完全内置的震荡器，在微电脑的控制下可产生多重扫描变频脉冲电磁波和复合变频超声波，电磁波主要解决电源线周围害虫的问题，而超声波是要消除室内其余区域的害虫，它向周围发射的变频超声波信号，当它碰到物体会反射，从而能充满整个房间，这两种波迭加在一起所产生的双重功效，对老鼠、蟑螂、蜘蛛、蚂蚁等害虫的中枢神经及听觉系统进行多重干扰，令其感到极度不适，恐慌不安，甚至表现出狂乱、抽搐等症状，并能使其丧失繁殖能力，迫使其逃离原地，从而达到驱赶害虫的目的。

First, according to a phase matching condition of electromagnetic wave on the stationary boundary surface, we find the refelection and transimission angles in the front system with a static ionization front. Then using the transformations of wave vector and frequency we get the corresponding angles in the laboratory system in which the ionization front is moving at relativistic speed.

首先在波面参考系中根据电磁波在固定边界上的相位匹配条件，确定电磁波在静止电离波面上的反射角和透射角，并利用波矢和频率的相对论变换，导出了在实验室参考系中相应的反射角和透射角的表达式，最后对所得的结果作了进一步的讨论。

With the ray technique, the change of properties of electromagnetic wave when it thrilling through insulator are studied. Some useful engineering calculational formulae to evaluate the electromagnetic characteristics parameter of fiberglas laminates are fully listed.

运用电磁波射线追踪技术详细地研究了电磁波透过绝缘介质后的电磁特性变化情况，完整地给出了玻璃纤维或石英纤维层板和夹心结构电磁特性参数（电磁波透过系数、反射系数、插入相位移等）的工程计算方法。

Within a communication system the information transfer is frequently achieved by superimposing or modulating

在通信系统中，信息传输是通过把信息替加在电磁波卜或对电磁波进行调制来实现的，电磁波起着载送信号的作用，这一经过调制的载频随后被传送到要求的目的地，在那里被接收，并且通过解州还原成原始信息。

This research is to use conductive fiber to be an electromagnetic-wave absorption screen layer. This theory of electromagnetic-wave absorption is based on the knitted structure, which enables the electromagnetic-wave interference, diffraction and reflection on the screen layer effective.

本研究主要利用导电损失的导电性纤维，制作为平纹针织结构作为电磁波吸收体之护幕层，此部份的电磁波吸收原理是利用针织物特殊之材料结构性质使护幕表面达到有效之电磁波干涉、绕射、多重反射之衰减。

In this study discuss with the electromagnetic absorption screen with thickness of 0.1cm which are made by Mn-Zn ferrite and unsaturated polyester resin to discuss the effect of electromagnetic absorption with different quantity of Mn-Zn ferrite and multi-layer.

本研究主要以锰锌铁氧磁体混合不饱和聚酯树脂制成厚度为0.1cm的电磁波吸收体护幕，探讨锰锌铁气磁体含量及行多层阻抗匹配组合成电磁波吸收体对电磁波吸收效果之影响。

ABSTRACT Rough sea surfaces are formed with the interaction, which is nonlinear, of seasurface wind and gravity and surface-tension of sea water. Also nonlinear is the interaction of sea surfaces with electromagnetic waves. So nonlinear theory and method should be employed in the study of EM scattering from rough sea surfaces.

粗糙海面是在海面风、海水的重力和海水表面的张力的相互作用下形成的，这种相互作用是非线性的；电磁波照射到海面后，电磁波与海面的相互作用也是非线性的；因此采用非线性的理论和方法研究电磁波与海面的相互作用更能反映其物理本质。

By means of multiple reflection and quantum well-like resonant effect, the composite material anti-reflects the electromagnetic wave in required wave band while reflecting electromagnetic waves of other wavelengths. The present invention may be used as windoe material or transparent body material a well as in producing metal semiconductor photoelectronic detector and other relevant device.

本发明通过多次反射以及类量子阱效应的共振增强效应使得在增透所要求波段的的电磁波的同时，反射其它所有波长更长的电磁波，可用于做各种视窗的窗口材料或透明体材料，在防红外、微波、无线电波或者紫外的同时透射要求波段的电磁波，也可用于制作金属半导体光电探测器的相关器件。

In order to bring about the spatial depth resolution of the image data obtained, the method according to the invention comprises the following steps: an electromagnetic wave is beamed onto the surface of a photonic mixed element comprising at least one pixel, the pixel having at least two light-sensitive modulation light gates Gam and Gbm and associated accumulation gates Ga and Gb; modulation light gate voltages Uam and Ubm, which are configured as Uam=Uo Um and Ubm=Uo-Um, are applied to the modulation light gates Gam and Gbm; a direct voltage, whose magnitude is at least the same as that of the total of Uo and the amplitude of the modulation voltage Um, is applied to the accumulation gates Ga and Gb; the charge carriers produced in the space charge region of the modulation light gates Gam and Gbm by the incident electromagnetic wave are subjected, as a function of the polarity of the modulation light gate voltages Uam and Ubm, to the potential gradient of a drift field and drift to the corresponding accumulation gate Ga or Gb; and the charges qa and qb which have drifted to the accumulation gates Ga and Gb, respectively, are diverted.

为了使得采用这样一种方法获得的图象数据具有空间深度分辨率，按照本发明的方法包含下述步骤：使电磁波成束在至少包含一个象素的光混合元件的表面上，该象素至少具有两个光敏调制光门G am 和G bm 以及相关的累积门G a 和G b ；将调制光门电压U am 和U bm 施加到调制光门G a 和G b 上，而调制光门电压的构成是U am=U o U m，U bm=U o -U m；将直流电压施加到累积门G a 和G b 上，而直流电压的幅度至少与U o 和调制电压U am的幅度的总和相同；使由入射电磁波在调制光门G am 和G bm 的空间电荷区中产生的载流子经受漂移场的电位梯度，并漂移到相应的累积门G a 或G b ，而电磁波是调制光门电压U am和U bm的极性的函数；已经分别漂移到累积门G a 和G b 的电荷的方向反向。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。