周期性结构,periodic structure
1)periodic structure周期性结构
1.Research on phononic crystals ofperiodic structure is a novel task.声子晶体的研究是振动与噪声控制研究的新课题,文章重点介绍国内外声子晶体的研究现状,分析周期性结构声子晶体研究存在的问题,提出周期性结构声子晶体研究及其应用研究的未来发展方向。
2.In this paper,it is presented how to use FDTD to analyze the electromagnetic characteristic of the planarperiodic structures.FDTD方法与周期性边界条件、吸收边界条件结合 ,构成分析各种周期性结构电磁特性准确、有效的通用工具 。
3.The frequency characteristics of band-pass(band-stop)is theoretically analyzed which caused by theperiodic structure of the meshed ground plane.本文主要基于实验研究,并结合三维全波电磁和电路系统仿真在频域和时域对高速多层PCB板中网孔状接地层或电源层上高速互连的信号完整性性能进行了测试和仿真分析,并对网孔状地参考面的周期性结构所呈现的频率带通(带阻)特性进行了理论分析。
英文短句/例句
1.Finite Element Method to Calculate the Band Gap of Two-dimensional Periodic Structures二维周期性结构带隙计算的有限元法
2.Some Studies on Negative Refraction and Designed Surface Plasmon in Periodic Structure;周期性结构中负折射和人造等离子体的研究
3.Transmission Properties Analysis on Periodic Defected Ground Structures;周期性缺陷接地结构的传输特性分析
4.Estimating Cyclical and Structural Deficit in China;中国周期性赤字和结构性赤字的估算
5.Stability and Hopf Bifurcation of Quadratic Periodic System;二维周期系统的结构稳定性与Hopf分支
6.Analysis of Acoustic Transmission Method in the Periodic Cascade Channel with its Application to Drill Pipes周期性管结构信道的声传输方法分析
7.The Propagation Properties of Elastic Waves at the Interface of One-dimensional Periodic Composites;弹性波在一维周期性复合结构界面的传播特性
8.The Scale Affect in Constitutive Equation of Periodic Mesoscale Material;周期性细观结构材料本构方程中的尺度效应
9.Study on Growth of ZnO Film with Two-Dimensional Periodic Structure on Si Substate by Molecular Beam Epitaxy;Si基二维孔构ZnO周期结构薄膜生长及性能研究
10.The Electronic Structure and Spin Fluctuation of the Periodic Anderson Model周期性安德森模型的电子结构与自旋涨落性质
11.Vibration Attenuation and Isolation of Two-dimensional Periodic Composite Thin Plates;二维周期性复合结构薄板的减振隔振性能研究
12.NUMERICAL STUDY OF RADIATION CHARACTERISTICS OF SILICON SURFACE WITH PERIODICAL MICROSTRUCTURE周期性微结构硅基表面辐射特性数值研究
13.Analytical method of the subdomain basis functions for the transmitted characteristics of two-dimension periodic structure二维周期结构传输特性的子域基函数分析法
14.Study on Mechanical and Electromagnetic Dynamic Characteristics of Materi/als with Periodic Structures周期结构材料力学和电磁动态特性研究
15.The Effects of Hybridization Potential on the Electronic Structure of Nonsymmetric Periodic Anderson Model杂化势对周期性安德森模型电子结构的影响
16.Optical Bistability and Optical Limiting of Nonlinear Periodic Structure Media非线性周期结构介质的光学双稳态和光限
17.An Analytical Investigation for the Electromagnetic Properties of Periodic Structures with Electromagnetic Band-Gap;电磁带隙周期结构的电磁特性解析分析
18.Study of the Bandgap Characteristic of Combinatorial Non-periodic Defected Structure;组合式非周期缺陷接地结构滤波特性的研究
相关短句/例句
periodic structures周期性结构
1.In the AWE technique, the induced currents of theperiodic structures at any frequency within the frequency band can then be obtained from the induced currents of frequency derivative at given frequency via the Pade approximation, then the broadband characteristics of EM induced currents can be fast calculated.采用MOM法将周期结构的电场积分方程转化为关于感应电流的矩阵方程和频率导数矩阵方程 ,并根据Pade逼近理论由给定频率处的频率导数感应电流确定周期性结构在任一频率入射波照射下的感应电流 ,进而计算周期性结构的电磁感应电流宽带特性。
2.Many parameters of theperiodic structures will greatly affect the resonant frequency,including the shapes and sizes.在周期性结构的左手材料中影响响应频段的因素很多,例如周期性结构的单元形状、单元尺寸等等。
3)Quasi-periodic elastic structure拟周期弹性结构
4)active periodical structure有源周期性结构
1.Study ofactive periodical structure′s controlling the direction of reflector electromagnetic wave;有源周期性结构控制电磁波反射波束指向研究
5)periodic focusing channel周期性聚焦结构
6)lamellar periodic structure层次周期性结构
延伸阅读
低血钾性周期性麻痹低血钾性周期性麻痹hypokalemic periodic paralysis家族性周期性麻痹中的一种类型。为常染色体显性遗传。在我国大多数病例为散发而无家族史。发作多在夜间或清晨醒来时，病儿发觉不能移动自己的肢体，但说话和呼吸正常，重症四肢完全不能活动，不能抬头。发作时肌肉呈弛缓性麻痹，腱反射消失，感觉正常。麻痹持续数小时至2天。发作频度不等，一般不多于每月1次。发作时血清钾减低，为2.5～3.5mmol/L，心电图有低血钾表现。治疗发作时给一次氯化钾口服；重者可静脉滴注氯化钾，同时心电监护以防高钾血症。预防发作可于每晚睡前服氯化钾一次。
