查询词典 electromagnetic wave

Terahertz radiation, which is a kind of electromagnetic wave between the infrared and microwave bands, belongs to far-infrared band. THz time-domain spectroscopy which developed in the 1980\'s has the advantages of high signal to noise ratio, obtaining the absorption coefficient and refractive index of the sample at one time , low energy that can not distroy the biology organise and so on.

太赫兹辐射是指频率位于微波和红外光之间的电磁波，属于远红外波段；20世纪80年代发展起来的THz时域光谱技术，具有信噪比高，能同时获得样品的吸收系数和折射率，能量低，不会对生物组织造成破坏等优点，在材料和生物学等领域得到了迅速的发展和广泛的应用。

Anomalous propagation of electromagnetic wave results in more flexible use of weapon system.

摘要电磁波异常传播，使武器装备的作战使用更加灵活机动。

The rules of the cold-test characteristics changing with helix pitch are also studied and it turns out that, with increasing helix pitch, the phase velocity increases linearly, the interaction impedance changes nonlinearly and the attenuation constant decreases nonlinearly. At the same time, with the limitation of the synchronism between the electron beam and the electromagnetic wave, the change of pitch is small and therefore an approximate linear relation can be introduced.

研究表明：相速几乎随螺距增大而线性变大，互作用阻抗与螺距是非线性的关系，衰减常数随螺距增大而非线性地减小；由于在维持电子注与电磁波速度同步的限制下，螺距变化的幅度不可能很大，因此可近似按线性关系来处理互作用阻抗及衰减常数与螺距之间的关系。

WLAN uses the public electromagnetic wave as its carrier, which brings not only convenience but also security problems.

无线局域网使用公共电磁波作传输介质，这在为用户带来便捷的同时也为其网络安全问题带来新的挑战。

astronomical telescope ; celestial radiation ; electromagnetic wave

天文望远镜的技术一直代表着当时的技术发展的最高水平。本文将通过

An accelerated charged particle radiates energy in the from of an electromagnetic wave.

作加速运动的电荷会以电磁波的形式辐射能量。

Defect Mode and Mode of Electromagnetic Wave in Cylindrical Doping Photonic Crystal.

刘启能。圆柱形掺杂光子晶体中电磁波的模式和缺陷模。

Numerical results of single solid/core-shell and two cylindrical nanorods under plane electromagnetic wave with resonance frequency are presented.

本研究主要探讨不同细长比之单、双颗实心或核-壳细杆形金奈米粒子於电、磁场中受到平面波或电偶极波源时，散射体的表面电浆子现象。

The response of the electromagnetic wave resistivity MWD tool in cylindrically symmetrical 2D formation is simulated by the algorithm.

利用该算法对随钻电磁波电阻率测量仪器在轴对称二维地层中的响应进行数值模拟。

The DNG structure unit is composed of square split ring resonator and strip wire. The modified NRW method is used to extract the equivalent permittivity, permeability, and refractive index from the scattering parameters of the two-port waveguide with DNG structure. At the designed operating frequency, the refractive index approximates zero, which makes the nondirective electromagnetic wave tend to approximate plane wave along the normal direction of the superstrate and congregate the radiation energy.

以方形的SRR环和金属条带构成双负媒质结构单元，使用修正的NRW方法，通过放置双负媒质结构的二端口波导的散射参数，提取了等效的介电常数、磁导率和折射率，在所设计的工作加热板频率，折射率接近于0，可以将原本发散的电磁波整理成趋近于覆层面法线方向的近似平面波，起到能量汇聚的功能。

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。