1) UG"flat_pat"
UG平面展开
2) plane development
平面展开
1.
This paper presents a method of plane development for convex hull plate based on parametric surface representation, which can take into account deformation characteristics of the line heating forming process of convex hull plate and provide the shrinkage magnitude generated in the forming process.
本文提出了一种基于参数曲面表达的帆形船体板曲面的平面展开方法。
3) expanded image
平面展开图
4) plane wave expansion
平面波展开
1.
Group theory is introduced into the calculation of photonic band gap with the plane wave expansion method, and improved calculation formulae are derived.
介绍群论在光子晶体带隙平面波展开法计算中的应用 ,推导了改进后的算法公式 。
2.
An idea is presented to calculate the MMW PD in the area of the biological sample using the electric field measured in the scanning plane based on the plane wave expansion technique.
利用平面波展开技术,提出了通过在扫描平面上测量电场来计算生物样品空间毫米波功率流密度的方法,以及相应的利用开口波导的测量来计算毫米波电场的方法。
3.
Acoustic band gap properties of the forward Brillouin scattering phenomenon in photonic crystal fibers are simulated by using plane wave expansion method.
利用平面波展开方法,对光子晶体光纤的前向布里渊散射现象中的声波带隙特性进行了数值仿真。
5) Plane wave expansion method
平面波展开法
1.
In this paper,the band structures of the two-dimensional phononic crystals consisting of(elliptic) cylinders were calculated by using the plane wave expansion method.
采用平面波展开法数值计算了二维椭圆柱散射体声子晶体的带结构,并与圆柱散射体声子晶体的带结构进行比较,发现利用椭圆柱散射体可以获得较大的声子带隙。
2.
The photonic bandgaps of 2-D photonic crystals with graphite lattice were simulated with plane wave expansion method.
采用平面波展开法模拟计算了由锗圆柱构成的Graphite格子二维光子晶体的带隙结构,发现由空气背景中的介质柱构成的二维Graphite格子结构的光子晶体具有完全光子带隙,并得到了使完全带隙最大化的结构参数。
3.
Based on plane wave expansion method, the influence of factors such as lattice structure, dielectric constant ratio and filling ratio on three-dimensional photonic crystals with fcc, diamond and woodpile structures is studied.
基于平面波展开法,理论分析了晶格结构、填充率、介电常数比等因素对fcc,diamond,woodpile三种三维光子晶体典型结构完全禁带的影响。
6) plane-wave expansion method
平面波展开法
1.
The theory study of a plane-wave expansion method based on the effective medium technique in the two-dimensional photonic crystal;
基于等效介质二维光子晶体平面波展开法的理论研究
2.
The plane-wave expansion method is used to calculate the band structure of a two-dimensional photonic crystal with hexagonal lattice,and the optium structural parameters of photonic crystals with the largest complete bandgap are obtained.
运用平面波展开法模拟计算了二维六边形晶格光子晶体的能带结构,得到了使光子带隙最大化的结构参数。
3.
By the plane-wave expansion method,the acoustic elastic band structures of two-(dimensional) phononic crystal composed of square or triangle array of tungsten square rods embedded in epoxy,and the influence of rods rotating on the acoustic band structures were studied.
用平面波展开法研究方形钨柱在环氧树脂基体中呈正方形排列和三角形排列时的带隙以及方柱转动对带隙结构的影响。
补充资料：Cornish-Fisher展开
Cornish-Fisher展开
Cornish - Fisher expansion
C仪nish一Fi劝er展开!C.mi劝一Fisher exl倒圈I佣;】心甲-“。tua一中”.ePa Pa300欲二e」 一个(接近标准正态)分布的分位数用标准正态分布的相应分位数按一小参数的幂的渐近展开.它曾由E.A.Cornish和R .A.曰sher(【l〕)加以研究.如果F恤，门是依赖于参数t的分布函数，小(劝是具有参数(01)的标准正态分布函数，且当t，O时F(x，t)一中(劝，那么，在对川x，t)施加某些假定下，函数义=F‘I。(:).t](F一‘为石的反函数)的cornish一Fishe:展开有如下形式: ”刁~{ 、一、芝狱:)t‘()(，”’)，‘1、 1万l其中S(约是:的多项式.类似地，可以定义函数:一中’〔F伙，t)](。’为巾的反函数)依t的幂的comish-Fisher展开: /:艺e(二丫十()(l”).(2) J{其中Q(川是弋的多项式.公式(2)是由展开。一’为关f点巾(劝的Tayl伽级数，再用Ed罗worth展开式而得到的，公式(l)则是(2)的反演 如果X是有分布函数F行，匀的随机变量，则变量Z二Z困二小’{F(X，日l有标准正态分布，且从(扮式可推出，当t，O时，中扛)逼近变量 _”王: z二、十艺口(x、“ r专的分布函数，优于它逼近F(x、。).如果X有零期望与单位方差，则展开式(l)的头几项有如下形式 、二:一l下!h!忙)]一}y:h:(:)+才h，仁月平一其中;1二、:心一2，:2一、4/、;.、为X的r阶半不变量，”l阁一含HZ。)，“2阁一女11:侧，“。阁一六·[2H，今)十HI(朔，而月:仓)是1女rmite多项式，它们由如下关系定义_ 叫:)H;{:)一、一叮兰些土(叫:)二一如:)) 山厂有关服从Pearson分布族极限律的随机变量的展开，可见{3}亦见随机变量变换(raTzdom varlables，trans-follnations of).[补注1关于利用Ed罗worth展开(亦见砚gewo曲级数(Ed罗做，rth series))获得否2)的方法，亦见IAI].
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条