backward radiation是什么意思 backward radiation在线中文翻译

backward radiation

backward radiation 双语例句

1. Simulation and experimental results show that the forward gain of antenna is enhanced distinctly and backward radiation is somewhat restrained with the DNG
   物流行业的双负媒质结构研究
2. Combining with lens optical imaging principle, calculating medium combustion flame radiation optical imaging. Then, the backward Monte Carlo method is discussed.
   再结合透镜光学成像原理，计算介质燃烧火焰的辐射光学成像。
3. Dust tails are created when small particles from a comet are swept backward by the Sun's radiation pressure.
   来自彗星的微小粒子被太阳辐射压向后推斥，形成尘埃尾。
4. It is a rectangular microstrip patch antenna with hemisphere radiation pattern. The ground plane of the microstrip antenna shields the field in the backward, and therefore partly eliminates the affect of background.
   天线的基本形式是具有半球方向图特性矩形微带贴片天线，微带天线的接地板对背向的场起到了屏蔽作用，抑制了环境的影响。
5. The vacuum electronic devices based on grating, such as the backward wave oscillator, Orotron and Smith-Purcell radiation source, are promising candidates in developing the compact, powerful radiation sources at the band of millimeter and THz waves.
   在毫米波及THz波段，基于光栅结构的真空电子器件如BWO、Orotron、Smith-Purcell辐射源等器件，既可以发展成为高功率的源，也可以发展成为紧凑、小功率源，因而受到广泛的关注。
6. A metal background decreases backward radiation and increases the directivity and gain of the antenna.
   金属背景减小了天线的后向辐射，增强了天线的方向性，并提高了增益。
7. In this thesis, cascaded electromagnetic band-gap structure is presented to broaden the bandwidth or achieve dual band operation. The structure is applied to antenna in order to restrain the backward radiation, decrease mutual coupling between units and eliminate scan blindness of phased array antenna.
   本文提出级联型的电磁带隙结构，用以展宽其带宽或实现双带工作，并将其应用于天线，抑制天线的后向辐射，减小单元之间的互耦，消除相控阵天线的扫描盲区。
8. The gain patterns of the rectangular waveguide antenna and arrays with and without DNG structure are compared. Simulation and experimental results show that the forward gain of antenna is enhanced distinctly and backward radiation is somewhat restrained with the DNG structure.
   比较了双负媒质结构加载前后矩形波导天线及其阵列的增益方向图，数值仿真和测量结果表明，天线的前向增益得到显著的提高，同时对后向辐射也有一定的抑制效果。

backward radiation

相关单词辨析

这组词都有“在后，向后”的意思，其区别是：
hind: 指成对并且分前后的东西的“后面的”。
backward: 可用于人或物，指向后的，落后的或迟钝的。
behind: 指一物同它物相对的位置或场所。
back: 作为副词或形容词时，强调所修饰物的位置以及动作运动方向。