| 1. | Analysis of near - field distribution and cross - polarization radiation pattern cavity - backed microstrip patch antenna on a uniaxial substrate
单轴各向异性背腔式微带贴片天线的表面缝隙场分布及交叉极化方向图分析 |
| 2. | In order to make the apertures distribution of the power dividers satisfy the taylor distribution of the horizontally polarized direction of the array , the rake angle and depth of cut of each slot should be adjusted
为了使功分器各端口的幅度分布满足阵列在水平极化方向的泰勒分布,需要调节功分器上各条缝隙的倾角、切割深度。 |
| 3. | Displacement polarization is directly proportional to loading electric field ; turning - direction polarization results from the average of domain ' s inherent electric moment in the polarization direction by the weight of boltzmann energy
位移极化正比于外加电场；将电畴的固有电矩在极化方向按玻尔兹曼能量取加权平均得到转向极化。 |
| 4. | The conclusion is that the vectorial effect influences more on the small - scale self - focusing than the non - paraxial effect . a new growing mode existing when the modulation on the direction of polarization is discussed in this chapter
同时与极化方向平行的新的增益模式有可能出现并可以在波长的尺度上产生自聚焦，文章讨论了这种可能性。 |
| 5. | The photo - induced phase transition of the different light intensities , photo - energies and directions of the polarized light is investigated . it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films . the relation between the he - ne laser reflectivity of the thin film , applied current and resistance was analyzed by the optics theory of solid state physics
光子通过激发e _ g向下电子的跃迁，从而改变材料自旋极化方向，影响体系的输运行为；首次研究了cmr薄膜的激光反射率和偏置电流的关系，并用固体光学理论对其定性分析，表明反射率的变化是由于电场引起材料的晶格畸变，改变了极化率，从而导致材料的折射率和反射率发生改变。 |
| 6. | 3 . after the parameters of the array structure are got , simulation software , such as cst microwave studio , cts design studio and ansoft hfss , are used to design the power dividers for the radiation units in the horizontally polarized direction of the array . these power dividers adopt structure of coupling slots in the narrow side of main rectangular waveguides , in which the narrow side of the main waveguide and the broadside of secondary waveguides are crossed at locations of each slot
3 .在得到满足指标要求的阵列结构参数后,采用cstmicrowavestudio 、 ctsdesignstudio和ansofthfss等电磁仿真软件对阵列在水平极化方向的行馈功分器进行仿真设计,该阵列的行馈功分器采用波导窄边单缝耦合馈电结构。 |
| 7. | The one - loop vacuum polarization is calculated for untwisted and twisted scalar fields in a flat space - time with the topology s1 r3 . the effect of vacuum polarization upon photon propagation is considered . it is found that for the untwisted scalar field some photon modes acquire a positive topological mass , thus travelling at a subluminal speed ; but for the twisted scalar field some photon modes get an imaginary topological mass and travel at a superluminal speed
本文中我们首先计算了在拓扑结构为s ~ 1 r ~ 3的非minkowski时空中扭曲标量场和非扭曲标量场的真空极化，然后考虑了真空极化对光子传播的影响，我们发现除了光子的极化方向和传播方向都垂直于紧致化方向的情形之外，非扭曲标量场的真空极化使所有其他的光子模式都获得实的拓扑质量从而导致这些光子以亚光速传播；但是，扭曲标量场的真空极化使光子获得虚的拓扑质量以致他们以超光速传播。 |
| 8. | Thirdly , the stress distribution in the human body exposed to stable plane wave is calculated in different incident direction and different polarized . also the stress exerts on the surface between human skull and brain tissue is calculated when the human body is exposed to nuclear explosion electromagnetic pulse or microwave weapon electromagnetic pulse in left incident direction and parallel polarized
再次，分析了振幅为100 、随正弦规律变化的稳态平面波沿不同方向或场极化方向不同时人体内的电场应力分布，结果表明，波沿不同的方向入射或场极化方向不同时，对人体的作用是不同的。 |
| 9. | Compared with the extension actuation mechanism of piezoelectric materials when electric field and poling direction are along the piezoelectric layer thickness , the shear actuation mechanism of piezoelectric materials when applied electric field and poling direction are perpendicular can induce lower stresses in actuators , which can reduce the possibility of debonding in actuators boundaries
与外加电场与极化方向平行于板厚度的压电材料的拉伸作动机制相比，外加电场与极化方向垂直的压电材料的剪切作动机制可以在作动器内产生较小的应力，从而降低作动器边界产生分层破坏的危险。 |
| 10. | The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports , but in the high temperature range the thin films forms the small polarons hopping conductivity . the phase transition induced by the current is explained by the demagnetization and lattice distortion
在高温部分，材料呈现小极化子跳跃形式输运特征；实验研究了不同偏置电流对薄膜的相变影响，表明电场可以引起材料中磁性的变化和晶格畸变，导致相变温度点向低温方向移动；材料的光致相变研究表明光子能量、光强和极化方向对输运性质有影响。 |
