| 1. | Simulation and design of bow - tie antenna by using fdtd
对平面扇形偶极子天线的仿真与设计 |
| 2. | Analysis and comparison of the different source location point ' s thin - wire dipole antenna
不同馈点的细线偶极子天线的分析与比较 |
| 3. | The result demonstrates that the variable phase center of fish antenna is much more steady than the lpda in the main beam
计算结果表明鱼骨天线在主波束相当宽的范围内,其可变相位中心的稳定度要优于对数周期偶极子天线。 |
| 4. | Just received jarl ' s jcc 600 ( all cw ) # 17 certificate ( see attaching picture ) . a small gun ( barefoot and wire dipole ) together with persistence do achieve the goal
刚收到日本陆佰城市全报务奖状(见附图) 。只需轻装备( 100瓦特及偶极子天线)和意志耐力便能达至目标。 |
| 5. | To broaden the antenna ' s impedance bandwidth and its radiation pattern , a novel printed dipole antenna with reflecting structure of v - shaped ground plane was proposed
摘要为了扩展天线的阻抗带宽和改善天线的方向性，提出一种采用了地平面反射结构的新型印制偶极子天线。 |
| 6. | In this paper , resonant characteristics of the meander - line dipole antenna depended on times of meanders , the height of meanders and the angle of meanders are analyzed
摘要本文研究了由矩形弯折线构成的偶极子天线的谐振特性，分析了弯折线偶极子天线的弯折次数、矩形弯折的高度以及弯折角度等参数对天线谐振特性的影响。 |
| 7. | The results indicate that compared with the antenna without reflecting structure , the proposed antenna achieves broader impedance bandwidth , increases the forward radiation gain and has stronger backward radiation suppression
结果表明，与没有地平面反射结构的天线相比，该印制偶极子天线增加了抗带宽，提高了前向辐射增益，抑制了后向辐射。 |
| 8. | It is demonstrated that changing parameters of the dipole antenna is an effective method to adjust its resonant characteristics ; the good reduced size can be achieved by properly altering its parameters ; and the meander - line dipole antenna are suitable for the application as rfid tag antenna
结果表明，弯折线偶极子天线的参数改变对天线谐振特性有较强的调节作用，适当的改变天线的参数可以获得较好的天线尺寸缩减特性，适合rfid标签天线的应用。 |
| 9. | In the following section , the thesis demonstrated the robustness of the proposed method in the computation of radiated electromagnetic fields of switched mode power supplies by means of a numerical study on the electromagnetic fields of an electric dipole antenna
应用本文开发基于pml吸收边界条件三维时域有限差分计算软件，计算了电偶极子天线的三维辐射电磁场，并将计算结果与解析解进行了对比分析，验证了时域有限差分法计算高频开关电源辐射电磁干扰的有效性。 |
| 10. | This thesis contributed to the comprehensive study of the finite - difference time - domain ( fdtd ) method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies . the work includes mainly three parts : the study on the performance of pml absorbing boundary condition applied to pseudo low frequency electromagnetic problems ; the validation of the fdtd method with pml absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna , and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies ; the development of an improved alternating direction implicit finite - difference time - domain method
在综合前人工作基础上，本文对时域有限差分( fdtd )法及其在开关电源辐射电磁场数值计算中的应用进行了系统的分析和研究，其核心内容包括：伪低频电磁场数值计算中pml吸收边界条件性能的研究；基于基准问题?电偶极子天线三维辐射电磁场，验证了本文构造的基于pml吸收边界条件的三维fdtd法及其计算软件，并应用于高频开关电源辐射电磁场的数值分析；提出了一种改进的交替方向隐格式时域有限差分法。 |
