| 1. | Electromagnetic wave propagation logging instrument 电磁波传播测井仪 |
| 2. | In chapter three , first we introduce some knowledge about the electromagnetic wave propagations 第三章首先阐述了射线传播的电磁基础。 |
| 3. | Transverse dimensions of rectangular tunnels have great influence on electromagnetic waves propagation 摘要矩形巷道截面尺寸对电磁波的传播特性有很大的影响。 |
| 4. | The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation 摘要平面电磁波传播的角谱法,提供了波的传播过程的另一种解释。 |
| 5. | When electrical parameter is changd by wet tunnel wall , electromagnetic wave propagation attenuation will vary 摘要矿井隧道壁湿润会引起电参数改变,从而使电磁波传播衰减率发生变化。 |
| 6. | A kind of method - accelerative multi - images method is given to the electromagnetic wave propagation prediction to the irregular urban area of this article 本文研究并给出了一种非规则城市环境电波传播的预测方法? ?加速多镜像法。 |
| 7. | In this paper , the effects of the casing and the fluid media on the electromagnetic wave propagation in oil wells are studied and discussed following the field analysis 首先,采用场分析的方法,分析井内套管和流体介质对电磁波传播的影响。 |
| 8. | The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory 基于电磁波理论的基本原理,从maxwell方程着手,建立了雷达电磁波在路面结构体系中传播的正演模型。 |
| 9. | In wireless communication , the relative movement between the transmitter and the receiver may cause the change of the electromagnetic wave propagation path , thus makes the channel become a random time - variety channel 在无线通信中,发射机和接收机之间的相对移动会造成电波传播路径的改变,从而使信道变成随机时变信道。 |
| 10. | The following three parts are included : ( 1 ) the caustic phenomena of electromagnetic wave propagation in concave reflector is studied , and the pictures of caustic fields in different concave reflectors are displayed (三)深入讨论了凹面反射波动场的焦散现象、焦散区的几何结构与奇性的特点以及非焦散区、焦散区波动场的计算问题。 |