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- periodic structure line 循环结构线路
- The complex resonant frequency and radar cross abation(RCS)are formulated by spectral domainapproach of periodic structure. 运用无限周期结构的诸城法建立起微带阵列天线的复谐振频率和雷达散射截面公式。
- The charge, orbital, or spin ordering of valence electrons in advanced materials can be incommensurate with the periodic structure of lattice. 摘要在前瞻性材料中，价电子的分布可呈现与原子结构不一致的周期性，形成电荷、轨域或自旋有序排列。
- Photonic crystal is a new type periodic structure with frequency bandgaps, their unique bandgap features bring about wide application prospect. 摘要光子晶体是一种具有具有频率禁带的新型周期结构，它独特的频率带隙特性使得光子晶体具有广泛的应用前景。
- The optical characteristics such as transmission and polarization of this periodic structure in different incident tangos and refractivity conditions were analysed. 利用光学传输矩阵法研究了这种结构的光子晶体,分析了在不同入射角和折射率条件下,该周期结构的透射和偏振的光学特性。
- Authors studied the silver in galena by means of electron paramagnetic resonance (EPR) for the first time. The results show that there is a fine structure line of the Gauss type in spectrum. 作者首次用电子顺磁共振波谱(EPR)方法;对方铅矿中的银作了研究.
- In order to calculate the equivalent step index of the periodic structure of the cladding holey optical fiber, all-vectorial fundamental space filling mode approach was utilized. 为了计算周期结构包层多孔光纤的等效阶跃折射率，采用了全矢量基本空间充填模式法。
- The influence of atomic internal state population on its translational motion in a quantized standing wave cavity field with spatial periodic structure is investigated. 基于原子作双光子共振跃迁的原子场缀饰态,讨论了驻波腔场中两能级原子的量子化平移运动与原子内态布居间的相互影响。
- The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character. 黄土丘陵区的沟沿线,是反映该区地形地貌特征的重要的地形结构线。
- In a word, the paper has presented theory base and circuit design examples to novel Radar systems and MIC with high performance, small size, low power loss, and novel periodic structure (EBG and DGS). 总之,本文为研究和设计面向下一代雷达系统、具有高性能、小尺寸、低功耗、基于新颖周期结构(EBG结构和DGS结构)的微波集成电路,提供理论基础和电路设计范例。
- Theoretical analysis showed that under well specified conditions, electromagnetic slow wave can interact stationary with moving periodic structure,based on that the a working principle can be proposed for a class of MEMS motor and actuator. 理论分析表明,在特定的条件下,电磁慢波与运动周期结构之间可以发生稳定的相互作用,这能够成为一大类MEMS电机或执行器的一种不同的工作原理。
- Ore pillars are fasic units forming this deposit,the occurrence of which are coincident with the two sets of structure lines. 矿柱是组成该类矿床的基本单元，其产状与两组构造的交线产状基本一致。
- Secondly, the dispersion equation of longitudinal wave is derived based on the transmission model that longitudinal waves propagate along the periodic structure such as the drill strings or oil pipe. 其次，建立了理想钻杆和油管这种宏观周期性结构中沿管轴方向传播的纵波传播模型，推导出了纵波的频率方程(色散方程)。
- The capability of periodical structure attenuating incident wave has been proved by simulation results. 3. 3、 在电磁波有源吸收研究方面，提出了结构性吸收的概念。
- Frequency-selective surface (FSS) is a two-dimensional periodic structure consisting of a dielectric substrate and the metal units (or apertures) arranged periodically on it. 频率选择表面(FSS)是二维周期结构，由周期性排列的金属单元(或孔径单元)和介质衬底构成。
- Frequency selective surface (FSS) is a two-dimensional periodical structure and used mostly in the filter. 频率选择表面(FSS)是一种具有二维周期性结构的滤波结构,主要在滤波器上使用。
- With appropriate top and bottom periodic hole structures arrangement, the emission peaks from SPs resonance in the bottom periodic structure are observed simultaneously. 在适当的上、下周期性结构设计之下，可观察到由下层周期结构所造成的表面电浆共振产生的发射频谱。
- Papillary, polypoid, or cystic structures lined by cuboidal epithelium are seen here. 表现为外生性生长，显微镜下呈乳头状、息肉样或囊状结构，衬覆立方上皮细胞。
- Application of Non-gap Structure Line Surge Arresters 无间隙线路避雷器的特点及其应用
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
