For the regression equation, statistical optimum choosing, and the analysis of dimension reduced and margin effect has been analyzed.
对回归方程进行了统计选优,降维分析,边际效应分析。
For the regression equation, statistical optimum choosing, and the analysis of dimension reduced and margin effect have been analyzed.
对回归方程进行了统计选优,降维分析,边际效应分析。
Projection pursuit is an effective method for dimension reduced. The estimation of projection index is the core of projection pursuit method.
投影寻踪方法是处理高维非下态数据的有效工具,而投影指标的估计又是投影寻踪方法中的核心问题。
If only a few rows are selected from the dimension table so that only a few keys are pushed down, then rows of the fact table might be reduced proportionally.
如果只有几行从维度行中被选出,这样就只有几个键被下推,然后事实表的行数可能也会相应地减少。
Otherwise, you add along the primary dimension, producing an new array of reduced dimension. For example.
不然,您得到的是第一维的和,并生成一个降低了维数的新数组。
The Cartesian join is reduced by the filters found in the join expressions from each dimension to the fake fact.
由于伪事实的每个维度中的连接表达式的过滤,笛卡尔连接结果缩小了。
Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.
通过主成分分析法将众多指标进行综合,消除样本间的信息重叠,降低BP网络的输入维数。
System dynamic model of algorithm can learn the velocity of target, so the dimension of particle is reduced and the required particle is very few.
算法的系统动态模型具有对速度的学习能力,这样可以减少粒子的维数和所需要的粒子数。
The structural response control is performed by the modal energy control and the dimension of control system is reduced.
将结构的响应控制化为模态能量控制,缩减控制系统的维数。
The matrix A is rearranged by eigenvalue sensitivities, and reduced in dimension with only the strong correlation generators reserved.
依据特征值灵敏度对系统状态矩阵A重新排序,仅保留与特定模式强相关的发电机组,使矩阵维数得以降低。
Using latent semantic analysis to extract feature, the affect of synonymy and polysemy in text representation process is eliminated and the dimension of text vector is reduced.
利用潜在语义分析进行特征抽取,消除多义词和同义词在文本表示时造成的偏差,并实现文本向量的降维。
Using the method, the dimension of loop equations and the calculation to solve for loop equations are reduced.
这种方法减少了回路方程的维数和求解回路方程计算。
Above all, the "Principle of dimension matching" was summarized from the practice, so that the effect of chain-terminating atoms would be ignored and the deviation of simulation was reduced.
从计算实践中总结出“尺寸匹配原则”,以达到消除端基影响和避免模拟偏离实际的目的。
On the above basis, we used principal component analysis of the "five factors" for feature extraction and reduced the input dimension of BP network importation.
在此基础上,采用主成分分析法对“五因素”进行特征提取,降低BP网络的输入维度。
The mould had proved to be reasonable in structure, reliable in operation, coherence in dimension, could double the efficiency, and the cost of the mould could be reduced by 30%.
经生产验证,该叠层式注射模具结构设计合理、可靠,制品尺寸一致性好,模具费用降低30%,成型效率提高一倍。
The optimality of the MSE of combining ridge and principal components in the class of combining ridge and reduced dimension estimators is dealt with in this paper.
本文研究了在均方误差意义下岭型主成分估计在岭型降维估计类中的最优性。
Because the structure is simpler and the dimension volume is smaller, the materials are saved, the manufacturing process is simplified, and the manufacturing cost is reduced.
因结构更为简单、尺寸体积更小,既省料又可简化制造工艺,制造成本降低。
Number of cell and node in girding of finite element could be reduced by seepage element with one dimension for simulating thin and long sand-drain.
使用一维渗流单元模拟细长砂井,可以减少有限元网格中的单元和节点数。
Conclusion the proposed algorithm has greatly reduced the feature dimension and improved the correct identification rate.
结论该算法有效地降低了特征维数,较大地提高了电台的正确识别率。
This paper deals with the variance property of combining ridge and principal components estimate in the class of reduced-dimension estimates.
讨论岭型主成分估计在一类降维估计中的方差性质,证明了它的方差和在这类降维估计中最小。
This paper discusses the foundation and the application of reduced-dimension Karnaugh map in numeral logical circuit design.
文章介绍了在数字逻辑电路设计中降维卡诺图的建立和应用。
Using the Reduced—Dimension Maps, this paper provides the diagram method of Multivariate Logic Equations.
本文以降维图为工具,给出了多变量逻辑方程组的图解法。
This method preserves the signals phase information and inhibits the noise effectively. The calculation dimension is reduced and the algorithm is simplified by using this method.
该方法保留了信号的相位信息,并且能够有效地抑制噪声,在降维的同时简化了算法。
Then, the whitened dimension-reduced data vector as a single user model is looked, the Iterative Least Squares (ILS) detection and Minimum Mean Square Error (MMSE) detection are researched.
将白化滤波后的降维数据矢量看作是单用户的系统,研究了迭代最小二乘(ils)检测和最小均方误差(MMSE)检测。
Based on the dynamic characteristics obtained with three dimension finite element method, the reduced mechanical model and parameters of lift ship structure can be modified and obtained.
利用三维有限元方法计算的结构动力特性和简化结构动力特性相等的原则修正升船结构简化力学模型,并确定了等效的升船机简化结构模型和系统参数。
Then people begin to study how to maintain performances of long channel devices when the characteristic dimension of MOSFETs reduced.
于是人们开始研究如何在MOS器件尺寸缩小的同时,仍然继续保持长沟道器件的良好特性。
The brightness decreased and the horizontal dimension with indistinct edge reduced during disappearing stage.
在消散阶段,闪电水平收缩,亮度弱减,边缘模糊。
The Reduced-Dimension Map can be used as a means to simplify the multiple variable logical function and to design logic circuit.
降维图可作为化简多变量逻辑函数、设计逻辑电路的一种方法。
The full-dimension state observer and reduced-dimension state observer are developed respectively. The control law is time-varying linear state feedback.
状态观测器的设计分为全维状态观测器和降维状态观测器,控制规律为时变的线性状态反馈。
The full-dimension state observer and reduced-dimension state observer are developed respectively. The control law is time-varying linear state feedback.
状态观测器的设计分为全维状态观测器和降维状态观测器,控制规律为时变的线性状态反馈。
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