| 1. | Analysis on the characteristic of cold complex cavity with gradual transition of various obliquity
渐变段倾角对渐变复合腔特性影响的分析 |
| 2. | It is applied to the analyses of electromagnetic scattering by electrically large complex cavities
建立了ipo fem混合法数学模型，并将其应用于分析电大尺寸复杂结构腔体的电磁散射特性。 |
| 3. | In this paper , edge - based finite element method ( fem ) is combined with the auto - meshing technique in the analysis of electromagnetic problems related to complex cavities
将矢量有限元方法( eb - fem )与网格自动剖分技术相结合对复杂腔体中的电磁问题进行分析。 |
| 4. | When using fmm in mom , we also have optimized the calculation and storage of the matrix , by doing this , the analyses efficiency of electrically large complex cavities improved a lot
在mom中应用了fmm快速技术,并结合计算过程中矩阵的优化计算和存储,在保证精度的条件下使计算效率得到显著提高。 |
| 5. | 3 . based on the simulation , a 8mm third harmonic complex cavity gyrotron with gradual transition , to which a permanent magnet system could be used , is designed and tested
三、在数值模拟研究的基础上，设计了用于永磁包装的8mm波段三次谐波渐变结构复合腔回旋管互作用腔体及有关工作参量，并进行了测试。 |
| 6. | Along with the increasingly demands for military affairs and the development of information technology , studying on the fast algorithm for the scattering of electrically large complex cavities is meaningful
随着军事需求的日益增长和信息技术的快速发展,研究电大尺寸复杂结构腔体的电磁特性的快速算法具有重要的现实意义。 |
| 7. | The method of moment ( mom ) is an exact numerical method for the analyses of electromagnetic characteristics of complex objects , but the efficiency is lower , so it is difficult in solving the scattering of electrically large complex cavities
矩量法( mom )虽然能够精确计算复杂形状目标的电磁特性,但其计算效率较低,难以解决电大尺寸复杂腔体的电磁问题。 |
| 8. | For the shortages of analyses efficiency of the two methods , this dissertation is mainly discussed about the use of fast algorithm in mom , ipo and ipo - mom to raise the analyses efficiency of electrically large complex cavities
针对这两种方法在计算效率上的不足,本文主要的研究目的是将快速算法应用于ipo , mom以及ipo - mom混合算法中,以提高电大尺寸腔体电磁散射特性的快速分析能力。 |
| 9. | The influences of the tm modes on the rf distribution of the complex cavity are analyzed in detail . further more , the influences of the angle of the section with gradual transition on the rf distribution of the complex cavity are analyzed in detail . 2
主要工作如下：一、在多模情况下，利用模式耦合理论，对渐变结构复合腔的高频特性进行了研究，详细地分析了渐变复合腔中电波模式对高频特性的影响。 |
| 10. | The analysis of electrically large complex cavity is an important topic in the field of computational electromagnetics . it is meaningful to the development of stealth and anti - stealth technology , electromagnetic compatibility of electronic equipments as well as the design of some relevant microwave devices
电大尺寸复杂腔体的电磁特性分析是计算电磁学中重要的研究内容，它对飞行器隐身与反隐身技术研究、电子设备电磁兼容性能分析以及有关微波器件设计具有重要意义。 |
