The result reveals that the stress control tube comprising a composite structure of the nonlinear resistive and capacitive material shows the best performance in uniforming the electric field distributions in cable terminations under impulse voltage 分析结果表明，在冲击电压下电缆终端采用由电容性和非线性电阻性材料复合绝缘结构的应力控制管时，电场分布最为均匀。
Under the weakly guiding approximation , we derive the electric - field distribution of the lp01 mode in the hollow fiber . the far - and near - field distribution of the lp01 - mode output beam in free space is calculated numerically from fraunhofer and fressnel diffraction theory 在弱波导近似下导出了中空光纤中lp _ ( 01 )模的电场分布，数值推算了lp _ ( 01 )模输出光束的远场和近场分布。
In addition , electric field distribution of arc - quenching chamber is calculated in adopting anasys software and the largest electric field intention is analyzed under the impulsion voltage and infrequency voltage , then the size of insulation porcelain cover is determined 采用anasys软件计算了灭弧室电场分布，并对冲击电压和工频电压下的最大电场强度进行了分析，确定了绝缘瓷套的尺寸。
The coaxial resonant cavity with a capacitance load has been interested by more and more researcher , because of its special and collect electromagnetic characteristic . especially it is interesting in the aspects of microwave disinfection and microwave thruster 电容加载同轴谐振腔,具有独特的电磁场分布,内部电场分布较为集中,已在诸多微波领域得到应用,在灭菌和航天推进研究领域引起了众多学者的广泛关注。
The distributions of interface charge in the bottom of trenches and electric field in insulation layer were studied for the novel structure . the influences of insulation layer thickness and trench width on breakdown voltage were analyzed and compared with analytical results 利用器件二维数值仿真软件medici ，详细研究局域电荷槽内的电荷分布和埋二氧化硅层的电场分布，以及埋二氧化硅厚度和槽宽对耐压的影响。
Next , basing on discrete electric potential , plots the distributing figure of the electic potential and electic field , and analyzes relationship between the operational characteristics of static induction transistor and the structure parameter and bias voltage 其次依据求得的离散电位值，绘制相应的电位分布图形和电场分布图形。最后通过对图形的分析，解析有机静电感应三极管的工作特性与器件结构参数和所加偏压的关系。
The electric field distributions of cleanness and covered with snow , the electric field variety of covered with ice , and the break down electric strength of covered with snow and ice were analyzed . the affect of the angle of medium loss for insulation performance was analyzed 对冠雪绝缘子与清洁(无雪)绝缘子的电场分布作了比较；分析了覆冰后电场分布的变化；对覆冰、冠雪时的击穿场强进行了分析；还分析了介质损失角正切对绝缘性能的影响等。
In this paper , we begin with actual products designs and then combine the real conditions . on condition that technique conditions requirements were satisfied , by adopting electromagnetic field numerical analysis and experimental research , the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately . the electric field distribution and movement in different conditions are also confirmed 本文从实际产品设计入手，结合现实情况，在满足技术条件要求的基础上，通过采用电磁场的数值仿真分析及实验研究，准确地描述了12kv配电系统中置柜真空断路器相间及对地全场域电场分布情况，确定了中置柜在不同情况下的电场分布、变化情况，通过理论的计算和分析，对产品的绝缘进行了校核与验证，通过多种方法的比较，进而得到合理的布置结构和达到最佳的绝缘配合，为实际产品的开发和设计提供了理论依据。
By the analysis of the mechanism of charge carries transporting in the detector and the polarization effect of msm detector , we get : the polarization effect of cdse detectors is mainly caused by the poor transporting of charge carries ; to avoid the polarzation effect and improve the charge carries transporting property , the detector must has a suitable anode , so as to make a more suitable electrical field 此外，本文还通过分析探测器中的电荷输运机理，对具有msm结构的探测器的极化现象进行了定性的分析，指出光生载流子输运受阻是引起极化现象的原因之一，只有改变探测器的正极接触，从而改变探测器内的电场分布，改善载流子的输运特性，才能消除极化现象。
Electrical field stress at the icicle tips is even stronger . at these areas , if the electric field across air gaps is high enough , corona discharges are initiated . this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice 空气间隙的存在使覆冰绝缘子表面的电场分布发生了明显畸变,间隙上承受了非常高的电压,这使得冰凌尖端的电场变得相当强,一旦电场达到了电晕的起始电场,局部放电就在这一区域发生,进而产生局部电弧并逐渐发展成整串的闪络,泄漏电流迅速增大,同时伴随着冰的融化。
