This method has the advantage of reducing dimensions and input data and has a higher computational accuracy than FEM.
与有限元法相比,该法具有降维、需要准备数据少、计算精度高等优点。
To provide a baby car capable of reducing dimensions in a height direction of the baby car when it is folded at the time of storage or carrying.
本发明的童车及其车篷在折叠状态下可减小童车高度方向的尺 寸。
PCR (principal component regress) that with the characters of reducing dimensions effectively and overcoming the intense relativity between independent variables, is widely used in different fields.
主成分回归以其能够有效的降低维数,克服回归问题中的自变量高度相关而产生的分析困难,而得到广泛的利用。
That is unrealistic: reducing America's biggest Banks to truly innocuous dimensions would mean breaking them into 12 times as many constituent pieces.
这是不现实的:将美国最大银行缩小到真正无关痛痒的的规模将意味着把它们分解成组成部分的12倍。
Attribute reduction is one of important step in preprocessing of data mining, it improves the efficiency of the data mining algorithm by reducing the dimensions of the information.
属性约简是数据挖掘预处理中非常重要的一步,它通过减少信息的维数提高数据挖掘算法的效率。
Based on the product shape coding, the paper discusses a method for reducing solution space dimensions by evaluating parameters weights with the help of the weight concentrating curves.
基于产品的形态编码,采用参数权重集中曲线的噪声度自动评测方式对解空间进行降维处理,并对产品形态编码分级。
The spectrum signal was pretreated and several key characteristic parameters were extracted and then a set of new feature vector was obtained by reducing the dimensions.
首先对光谱信号进行预处理并抽取了多个关键性的特征参数,通过降维分析得到一组新的特征向量。
In this paper, the emphasis is placed on the technique for reducing the dimensions. The principal analysis, correspondence analysis and nonlinear mapping are described in detail.
论文中重点介绍了该种方法的降维思想,以及用主成分分析方法、对应分析方法和非线性映射方法解决问题的步骤。
The principle and the methodology of Walsh function decreasing the unknowns and reducing the dimensions in well logging data inversion are studied.
研究了沃尔什函数在测井资料反演中降低反演维数的原理和方法。
The main vibration signals can be obtained by reducing its dimensions through matrix conversion in the principal component analyzed, and realize the analysis to the vibration noise source.
运用主成分分析方法,经过矩阵变换,提取振动信号的主要信息,从而实现对振动噪声源的分析。
The author calculates the fractal dimensions and find the rule of fractal dimensions and cement specific surface area, cement paste fluidity as well as water reducing ratio.
分形特征与水泥宏观性质,如净浆流动度、比表面积、减水率之间存在较好的相关性。
This paper introduces the roll forming process and mould design of wheel rim. The rim manufactured with the dies has higher dimensions precision, less reducing thickness.
介绍了东风汽车车轮有限公司为开展滚型车轮生产线建设而进行的车轮轮辋滚型工艺的工序设计与模具设计,生产出的轮辋尺寸精度高,圆角减薄量小。
Introduces the roll forming process and mould design of the wheel rim, the rim manufactuerd with the dies having higher dimensions precision, less reducing thickness.
介绍车轮轮辋滚压成形工艺的工序设计与模具设计。
Introduces the roll forming process and mould design of the wheel rim, the rim manufactuerd with the dies having higher dimensions precision, less reducing thickness.
介绍车轮轮辋滚压成形工艺的工序设计与模具设计。
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