beam electrons meaning in English
电子束电子
Examples
- In theoretical analysis , the motion of radially - emitted electron beam in diode region and drift region has been analyzed , and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied , then the possibility to optimize the guiding magnetic field has been derived . the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically . at last , the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied
在理论分析中,初步分析了轴向发射条件下电子在二极管区域和漂移区的运动规律,电子径向动量随着外加磁场变化的规律,以及电子束电流随着外加磁场的变化规律,还有二极管区域磁场优化的可能性;分别研究了有轴向磁场时以及有角向磁场时径向发射的电子在光滑阳极结构中的运动规律,最后分析了在轴向和角向复合磁场中电子的运动规律。 - To make pic ( particl - in - cell ) simulations . to set up models of guns and magnetic field and simulate them in the vacuum and plasma , respectively . we found that plasma held back part of space charge effects and improved trajectory of electrons . but beam would oscillate and became instable as accretion of plasma density . by simulating again and again , we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density . at last a four - stage depressed collector was simulated
建立电子枪和聚焦系统模拟模型,分别在真空和填充等离子体条件下进行模拟。发现填充等离子体能补偿部分空间电荷效应,改善电子束包络轨迹,提高电子的流通率,但是随着等离子体密度的增大,束电子会出现振荡不稳定性,遗憾的是通过反复多次模拟发现本文所用粒子模拟的代表性软件magic无法用于模拟等离子体密度远高于束电子密度的情况。 - As far as most of the high power microwave source is concerned , the mechanism of microwave generation is to make use of the interaction between beam electrons and microwave , during which the energy of the electron beam transfers to the microwave , and the power of the microwave is generated or amplified
大多数高功率微波源,都是利用电子束与微波相互作用,将束电子的部分能量转化为微波场的能量,使微波功率得到放大,从而使高功率微波的产生有了可能。因此电子束的发射和传输规律对微波器件的研究非常重要。 - In this paper , problems existing in aluminous beam electron beam welding process were analyzed first . based on coordinate transformation of four axes joint - motion , unigraphics / open grip software desktop , model data of welding work piece , calculation of welding track and simulation of welding dynamic process are implemented
本文分析了现有的铝横梁电子束焊接工艺中存在的问题,根据设备中四轴联动系统的坐标变换关系,利用ug二次开发工具opengrip语言编程,实现了铝横梁的电子束焊接的运动轨迹的计算及其焊接过程的动态仿真。 - Therefore , the study of electron beam emission and transportation is important to the research of microwave devices . because of this importance , the motion of beam electrons under the circumstances of radial emission and axial emission has been studied in the following parts : theoretical analysis , pic ( particle - in - cell ) method and numerical computation . the results of the study are all reasonable and valuable , and will offer a theoretical guidance to the design of microwave devices
鉴于研究束电子运动特性和束波相互作用的物理机制的重要意义,本文试图从初步理论分析、粒子模拟、数值计算三个方面入手,对电子束在轴向发射和径向发射条件下的运动规律进行了研究,得到了合理而有价值的结果,从而为微波源的设计提供有意义的理论指导。