pwe

Bandgap and Damping Property Analysis of Two-dimensional Periodic Composite Structure Based on PWE

基于PWE的二维周期性复合材料带阻特性研究

And the equations of plane-wave expansion ( PWE ) method are given in detail .

从弹性波波动方程出发，本文详细地介绍了计算声子晶体带结构的平面波展开方法。

The lowest effective concentration of PWE was 1.25 mg / ml after 24 h.

白头翁水提液24h杀灭滴虫的最低有效浓度为1.25mg/ml。

The properties of the defect modes obtained by the PWE may be verified and reproduced by using the wavelet method .

对典型声子体系的能带结构计算可以很好地再现平面波展开法获得的缺陷态的特征。

Saw Lah Pwe said he doesn 't know when the border clashes will end .

苏拉培准将说，他不知道什么时候边境冲突终将结束。

The simulations and analysis of two-dimensional photonic crystals are performed with PWE method , which is programmed in MATLAB .

将平面波展开法用于二维光子晶体的数值模拟和分析设计，用Matlab软件完成了计算程序。

Next , the basic theory and method for calculating the band structure of PC are presented , especially the plane wave expansion method ( PWE ) .

接着，介绍了声子晶体带结构计算的基本理论和方法，重点是平面波展开法。

And it can be used to calculate the band structures of the mixed solid-liquid systems accurately for which the PWE fails .

该方法具有较快的收敛速度，并且可以准确地计算固-流声子体系。

The plane wave expansion method ( PWE ) is one of the most popular approaches used for calculating photonic bandgaps in photonic structure .

平面波展开法可用于计算周期性光子结构的光子带隙。

Based on these progresses , we developed present frequency dependent PWE method and calculated 2D high-temperature superconductor ( HTSC ) photonic crystals .

在此基础上，本文发展了现有的频率依赖的平面波展开方法，计算了二维高温超导体光子晶体能带结构。

The characteristics of proposed configurations were numerically analyzed by using plane-wave expansion method ( PWE ) and finite-difference time-domain technique ( FDTD ) .

利用平面波展开法（PWE）和时域有限差分法（FDTD）对上述三种新结构的特性进行了数值分析。

Among several theoretical methods proposed for phononic crystals , the plane wave expansion method ( PWE ) is the one that is proposed first and is used most commonly .

在已提出的声子晶体计算方法中，平面波展开法（PWE）提出得最早、应用最广。

Especially for the large acoustic mismatch systems and the mixed solid-liquid systems where the PWE fails , the surface defect modes can be efficiently calculated by the present method .

特别对声阻抗比较大的体系以及固-流混合体系，平面波法已不适用，而小波方法可以有效地计算得到其表面波的缺陷态。

Conclusion PWE is able to promote the elimination of lead in mouse and mitigate the damage of lead on learning and memory by preventing expression of Fas antigen in brain .

结论茯苓提取物能促进染铅小鼠体内铅排除，对改善脑功能记忆有明显作用，可推测茯苓提取物对脑细胞的保护机制可能是通过抑制Fas抗原表达而影响脑细胞凋亡实现的。

Phase Weighted Estimation PGA ( PWE PGA ) is suggested which takes into consideration the range dependent phase error , so the PGA can be used in more fields .

加权相位梯度自聚焦（PWEPGA）算法考虑了距离变化对相位误差的影响，扩展了PGA算法的应用范围。

More than 40 touring troupes from Mandalay each employed a mix of apolitical slapstick comedy and traditional dance together known as a-nyeint pwe .

在曼德勒，就有40多个巡回演出团体，把无关政治的喜剧性闹剧和名叫“阿迎戏”（a-nyeintpwe）的传统舞蹈结合起来。

Using the plane-wave expansion ( PWE ) method , the influences of unit dimension on band gaps of 2D phononic crystal composed of square arrays of stainless steel cylinders in air were discussed in this paper .

使用平面波展开法，讨论了单元结构尺寸对正方形排列的不锈钢/空气二维声子晶体声波禁带的影响。

Firstly , the theory and application of photonics crystal and LED are introduced in detail . Secondly , the calculations methods of plane-wave expansion ( PWE ) method and finite difference time domain ( FDTD ) method are introduced .

本文首先对光子晶体和LED的理论和实际应用进行了较为详细的介绍，又介绍了本文使用的两种数值模拟方法：平面波展开法和时域有限差分方法。

At first of this paper , the fundamental of photonic crystal will be introduced systematically based on Maxwell equations . Both plane wave expansion method ( PWE ) and finite difference in time domain method ( FDTD ) are deducted in detail .

本文首先从Maxwell方程出发，介绍了分析金属EBG结构的两种理论方法，平面波展开法（PWE）及时域有限差分法（FDTD），并分别进行了详细的讨论。

Based on the above results , the PBG structure of magnetic heterostructures composed of both RR type and TC type MPCs ( MRRTC heterostructures ) is investigated by use of PWE method combined with the supercell technique .

在此基础上由这两种磁性光子晶体构成了磁性光子晶体异质结（MRRTC异质结），并利用超原胞方法计算了这种异质结的带隙结构。

The field of troupes became so oversaturated , however , that Mr. Par Par Lay and Mr. Lu Maw grew mustaches to differentiate themselves and then sought to push the boundaries of a-nyeint pwe even further .

然而这种团体的市场有些饱和，巴巴列和卢茂便蓄起了小胡子，把自己与其他团体区分开来，之后又开始突破阿迎戏的边界。

We introduce the concepts and properties of photonic crystals , as well as current progress in their theoretical , experimental and practical studies . The fundamental theory of PWE and FDTD methods and their applications in the study of two-dimensional photonic crystals are also presented . 2 .

对平面波展开法和时域有限差分法的基本原理及其在研究二维光子晶体的具体应用进行了阐述。

Firstly , by using frequency independent PWE method , 2D dielectric photonic band structures in simple lattices , complex lattices and defect lattices were calculated respectively . Two types of 2D complex lattice photonic crystals , which owned 2D complete photonic band gaps were investigated .

首先，利用频率独立的平面波展开方法计算了简单晶格、复式晶格以及含有缺陷的二维电介质光子晶体能带结构，并且研究了两种具有二维完全光子带隙的复式晶格光子晶体。

The defect modes characteristics of a line defect and point defect in two-dimensional PCs are studied by using PWE and FDTD methods . Based on the analysis on the coupling characteristic between them , we proposed a novel tunable THz narrow-band filter by using electrical birefringence of liquid crystal .

通过分析二维正方形光子晶体中点缺陷和线缺陷的缺陷模特性以及缺陷模之间的耦合特性，提出了一种基于电场控制的液晶双折射THz可调谐窄带滤波器。

Photonic crystal ring resonator can be constructed by putting the ring resonators and the waveguides next together . The spectra transmittance and propagation of the optical field entering this system was analyzed numerically using the plane wave expansion ( PWE ) method and finite-difference time-domain ( FDTD ) method .

将环形谐振腔邻近放置在光子晶体直波导两侧构成环形谐振器，用平面波展开法及时域有限差分法，数值分析了该系统中光的传播行为。