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。
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
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
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
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
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。
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。
Deployment Testing of Inflatable Membrane Tube;
薄膜充气管充气展开特性试验
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
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
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。
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。
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。
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
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。
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。