ID |
原文 |
译文 |
13264 |
文章利用液晶材料给出ー种基于三层互耦结构的可调谐FSS单元的设计,为了将每个单元的金属结构连接起来,添加了集总元件来馈电,结果表明,该结构单元尺寸相当于工作波长的1/16,连续可调谐范围可达11.3%。 |
In ths paper, a liquid crystal materal is used to design a tunable FSS unt based on a three-layer mutual coupling structure. In order to connect the metal structures of each unit, a lumped element is added to feed. The results show that the size of the structural unit is equvalent to 1/16 of the operatmg wave length, and the cont inuous tunable range is up to 11. 3%. |
13265 |
本文所设计结构具有小型化和可调谐的特性,为FSS的设计提供了新的设计思路,具有一定的理论指导意义和实用价值。 |
The structure designed in this paper has the characteristics of miniaturization and tunabllity, which provides a new design idea for the design of FSS, and has certan theoretcal guiding significance and practical value. |
13266 |
电磁脉冲可通过对地下工程中的线缆和设备产生耦合,进而产生较大的瞬变电压和电流,导致电气系统出现故障或永久损坏。 |
Electromagnetic pulses can create large transent voltages and currents by coupiing with the cables and equipment in underground engineering, causing electrical system failure or permanent damage. |
13267 |
文中提出采用无条件稳定连带埃尔米特时域有限差分(associated Hermite FDTD!AH-FDTD)方法来分析场对地下工程的电磁耦合问题。 |
In ths paper, an assocated Hermte (AH) uncondtonally stable inter-dfference time-domain (FDTD) method is used to analyze the electromagnetic coupiing problem of field-tc-ground engineering. |
13268 |
建立了两种不同坑道模型(圆形和矩形、采 用AH-FDTD方法计算了坑道不同深度、不同被覆层岩土介质(色散和有耗)和不同斜入射角度情况下地下工程中场的分布,分析了不同坑道埋深、不同岩土介质和入射角度等条件下场对坑道工程耦合的影响。 |
Two different tunnel models (circular and rectangular) were estabiished. The AH-FDTD method was used to caculate the field distribution considermg depths, geomaterals (dispersion and loss) and oblique incident angles. The effects of couping field in tunne engineering under different depths, geomaterias and incident anges are analyzed. |
13269 |
研究表明,场对地下坑道工程的耦合与坑道埋深、是否考虑岩土介质的色散性以及入射角度大小有关,而受坑道形状的影响相对较弱,所提AH-FDTD分析方法为防护工程电磁耦合效应研究提供了一种新的途径。 |
It is found that the coupDing of the fieDd to the underground tunne engineering is related to the depth of the tunnel, the dispersion of the geomaterials and the angle of incidence for the plane wave, while the influence from the shape of the tunnel is relatvely weak. The proposed analyss method with AH-FDTD method in this paper provides a new way for the study of electromagnetic coupling effect of protecton engneering. |
13270 |
三维集成电路通过高密度金属互连线实现芯片在三维空间上互连,其电路参数的快速提取是保证信号完整性良好设计的关键技术之一。 |
Metallic interconnects permit integrated circuits to communicate with each other in 3D space. Fast and accurate parameter extraction is one of the key techniques to ensure the signal integrity. |
13271 |
文中基于体积分混合势积分方程(mixed potential mtegral equation, MPIE)方法,结合多层平面介质格林函数与预纠正快速傅里叶变换(pre-corrected fast fourier transformation, pFF))方法,通过对互连线内趋肤电流准确建模,实现对互连线结构S参数的快速准确提取。 |
In this paper, a fast electromagnetic solver combining Green functons for the planar multllayer media and the pre-corrected Mast Fourer transformaton (pFFT) s proposed to extract the parameters of nterconnects and mode l the skin effect inside each conductor. |
13272 |
通过对典型互连线结构的仿真表明,本文求解器得到的结果与商业软件HFSS结果在网格剖分考虑趋肤效应时,其精度相当,计算效率可提高50%以上。 |
Compared with the results obtained from HFSS, our solver could obtain accurate results with much less number of unknowns and 50% efficiency improvement. |
13273 |
所以本文方法在三维集成电路互连线参数快速提取方面具有一定的应用前景。 |
As a result, ths solver is promsing to extract the parameters of nterconnects in 3D ntegrated crcuts. |