展开中心,expansion center

1)expansion center
展开中心
1.
A new method was presented for determining the proper expansion center of the circular- harmonic filter for rotation -invariant optical pattern recognition by maximizing the peak- to- side lobe ratios of correlation energy.
提出相关能量峰值旁瓣比最大法来确定圆谐滤波器的正确展开中心,以用于旋转不变光学图像的识别。



2)development
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1.
Rapid development and forming simulation for deep drawing parts of orthotropic sheet metal;
正交异性板料拉深件快速展开与成形模拟


2.
Mixed Mesh of Triangle and Quadrangle for Irregular Boundary Surface Development;
不规则边界曲面的四边形-三角形混合网格展开法


3.
The development of a circular cone helicoids with the axis of cone surface and drawing in cad;
心轴为圆锥的锥形螺旋面的展开及CAD制图



3)expansion
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1.
Research on development methods and application of CAD system of prac tical sheet metal expansion;
实用钣金展开CAD系统的开发技术与应用研究


2.
A frame expansion method of operator is used to the phase shift operator of split-step Fourier propagator.
针对裂步Fourier传播算子在速度强横向变化介质中的不足,将算子的框架展开方法应用于Fourier传播算子中的相移算子,提出了一种波场传播的局部裂步Fourier传播算子,并把它应用于波动方程叠前深度偏移成像。


3.
The channel model suitable for TDOA techniques is discussed, and the typical location TDOA algorithm, Taylor series expansion method, is analyzed.
讨论适合于TDOA定位的信道模型,分析1种典型TDOA定位算法———Taylor级数展开法,并针对其收敛问题提出改进方法。



4)deployment
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1.
Deployment Testing of Inflatable Membrane Tube;
薄膜充气管充气展开特性试验


2.
Simulation analysis of deployment process of inflatable planar antenna structure;
充气平面天线结构展开过程仿真分析


3.
Simulation Prediction of Deployment Dynamics of Inflatable Solar Array;
充气太阳能帆板展开动力学数值模拟预报



5)expand
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1.
This paper analyzed the expandability of dish plate keel of the fore and after body of ship hull,compared several expanding and forming methods,and put forward some advices about the application and some problems to which should be pay attention.
在分析了船体首尾部折角型龙骨板可展性的基础上,对几种展开和成形方法进行了介绍和比较,提出了应用的建议及应注意的问题。


2.
By the method,the expanding pictures may be drawn by computer with a high speed and accuracy.
本文阐述了渐开线螺旋面的形成方法,对渐开线螺旋面展开图的计算方法进行了解析分析。


3.
The expanding of criticism on relation between word and meaning in Qing Dynasty s literary theory visual field mainly embodies in two aspects:one is to talk an idea that meaning is the master and word is the guest;the other is an idea that word and meaning depend,rise and fall,and produce each other.
我国古代言意论在清代文论视野中的展开,主要体现在两个维面:一是意主辞宾论;二是言意相互依存、相互消长与相互生发论。



6)develop
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1.
Research on developed view of expandable curved face plate work piece based upon AutoCAD;
基于AutoCAD的可展开曲面钣金构件展开的研究


2.
The discussion on poetry rhyme of the poetic critics in Ming and Qing Dynasty,develops the classical poetry rhyme theory,promotes and deepens the explanation since the South Dynasty.
明清诗论家对诗韵的论说,多方面地展开了古典诗韵之论,将南朝以来人们对诗韵的阐说予以了提升和深化。


3.
With the quick development of computer technology, computer aided design is widely applied to all kinds of fields.
相交管件用于给水、排水工程、化工、石油、建筑等行业,其展开相贯线的传统作法是采用几何作图法,过程复杂、费时,且绘制的展开线精度低。



参考词条
毛料展开 二次展开 展开图 展开下料 级数展开 展开计算 相位展开 展开毛坯 钣金展开 展开尺寸 展开量 炉围展开 五维赖氨酸颗粒
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。


展开中心,expansion center