| 1. | Effect of magnetic material on the good field region of an accelerator electromagnet 磁铁材料对加速器电磁铁好场区的影响 |
| 2. | Radiating near - field region 辐射近场区 |
| 3. | Reactive near - field region 感应近场区 |
| 4. | Generation of magnetic field region with special requirement outside permanent magnet 一种永磁磁体外部特殊磁场区域的构建问题 |
| 5. | It is mathematically proved that angular glint linear deviations are independent of radar observational range in far - field region 理论分析和数值计算表明,在几何光学条件近似下。 |
| 6. | To solve the three - dimensional homogeneous field region , the boundary element method ( bem ) was described in chapter 2 第二章论述了如何应用边界元数值计算方法求解三维均匀场域,并用visualc + +语言编制了相应的计算程序。 |
| 7. | The fields at any point , especially at the points in the middle field region , are reconstructed by using the theory of the plane wave and the inverse fast fourier transform in this thesis 论文根据平面波谱的展开理论和傅立叶反变换首次给出了在空间任意点,特别是中场区,的场分布。 |
| 8. | It is found that the main electronic conduction mechanism in the high field regions of the i - v characteristics is identified to be fowlernordheim tunneling . the effect of y ray on sic mos c - v characteristics depends strongly on the bias voltage applied to the gate electrode during irrad 当氧化层中存在较强电场时,电离辐照对s汇mos电容的影响会更明显, sicmos器件比st器件具有更好的抗y辐照的能力。 |
| 9. | In order to verify the simulation field , the ultrasonic wave field radiating by a planar transducer was measured by small ball . by comparing the simulation field with the measured field , it is found that mgb is accurate in the far - field and most near - field region 为了验证声场模拟的可靠性,利用小球法测量了直探头的水中辐射声场,将试验声场和模拟声场比较,发现多元高斯声束模型在远场区和大部分近场区都是有效的。 |
| 10. | Chaper 4 , we put forward the concept of the near - field speckles and study their properties by the numerical solution of the integral equation based on the green ' s theorem . we study the near - field speckles produced the by random self - affine fractal surfaces of dielectric medium . the speckle intensities evolve considerably in the near - field region and the local fluctuations in them disappear in the distance of a wavelength 在第四章中,我们提出了近场散斑的概念,并依据介质界面电磁波的格林积分摘要方程对自仿射分形随机表面产生的散斑光场进行了数值计算模拟研究,发现近场散斑分形特征与自仿射分形随机表面的特性有关,且这种分形特征在非近场区域消失。 |