状态维数的减少会使计算时间大大地缩短。
Any reduction in the number of states will significantly decrease the computation time.
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。
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.
用高斯-牛顿误差最小法将六维观测量转化为四元数，作为观测量的一部分，显著减少了直接使用EKF的计算量。
Gauss-Newton error minimization is used to transform six-dimentional reference vector to quaternion as a part of observations for EKF, which significantly reduces the computational requirement.
本文将分形布朗模型和分形维数引入火焰图像分析中，可以预报早期火灾，减少火灾的损失。
This paper introduces fractal brown model and fractal dimension into the texture analysis of flame images, which can forecast early fire and reduce the losses of property when fire happened.
提出重构样本库的概念及构建算法，获得稀疏样本库，减少特征向量维数。
To get sparse sample library and reduce eigenvector dimension, a new concept of reconstructing sample library and its corresponding algorithm are introduced and presented, respectively.
数据的主成分提取是为了降低数据集的维数，减少计算量。
Extracting the primary components of data is to decrease the dimension of the data in order to decrease the quantity of calculation.
这些方法，仅对地基-基础界面进行有限元离散，使问题的空间维数减少一维；
Only the subsoil-foundation boundary is discretized, the same as boundary element method, which reduces the spatial dimension by one.
因为特征抽取减少了问题的维数并且使网络能够在一幅和实验图像分离的图像上得到训练。
Feature extraction reduces the dimensionality of the problem and enables the neural network to be trained on an image which is separated from the test image.
但GA与IAA共同使用后减少了IAA所诱导形成的茎干状结构中维管组织的细胞数。
Applying GA together with IAA decreased the number of various tissue cells in the IAA induced new trunk like structure.
这种方法减少了回路方程的维数和求解回路方程计算。
Using the method, the dimension of loop equations and the calculation to solve for loop equations are reduced.
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。
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.
最后，根据降秩技术中的交叉谱思想，提出了一种新的对信号子空间维数减少时的处理算法。
Finally, to deal with the situation that the dimension of the signal subspace decreases, a new algorithm is proposed based on the idea of the Cross Spectral Method.
它首先利用粗糙集理论对磨粒特征参数进行约简，这样能够大大减少了神经网络的输入维数。
At first, debris feature parameters are simplified based on rough sets theory, and the input information-dimensions is reduced.
边界单元法降低了求解空间的维数，减少了离散线性方程组的阶数，输入数据比较少，而工作效率高。
This method reduces the number of space dimension, makes the equation system lower order, less data input and higher efficiency .
首先，多普勒滤波在时域执行，以减少数据的维数。
Firstly, the Doppler filtering is performed to reduce the data dimension in temporal domain.
几何维数的急剧减少导致数字分析的极大简化。
The drastic reduction in the geometric dimension leads to great simplification in mathematical analysis.
实验结果表明，该信号测量和抽取算法在有效保留信号精度的同时，显蓍地减少了信号特征向量的维数。
Experimental results show that the feature extraction approach remarkably reduces the dimensionality of the input vector while the characteristics of the signals have been reserved.
他们可以直接使用作为预测的基础上，以减少维数，但它需要考虑如何卷积的数据要妥善项目。
They could be used directly as a projection basis to reduce dimensionality, but it needs to consider how to convolve them properly with the data you want to project.
运用最优控制方法设计融合函数以降低模糊控制器的维数，减少模糊控制规则数，进而提高模糊控制器的性能品质。
The dimensions of input varieties of a fuzzy controller are depressed by designing a fusion function using the optimization control theory , and the quality of the fuzzy controller was improved.
运用最优控制方法设计融合函数以降低模糊控制器的维数，减少模糊控制规则数，进而提高模糊控制器的性能品质。
The dimensions of input varieties of a fuzzy controller are depressed by designing a fusion function using the optimization control theory, and it can reduce the rules of fuzzy greatly.
通过约简以减少结构化数据的维数，获得数据集合的不同简洁程度表示已成为数据挖掘的重要任务之一。
Reduction is used to decrease the dimension of structured data and the various compact degrees of data sets are obtained.
其目的是在减少数据维数的同时，尽量减少或去除次要的冗余信息，并且保留或增强有意义的信息。
It has been developed with an aim to reduce or eliminate information bearing secondary importance, and retain or highlight meaningful information while reducing the dimensionality of data.
电力系统的节点导纳方程组一般是维数很大的线性方程组。为了减少导纳矩阵的运算量，节省计算机内存，人们提出了很多优化编号方法。
Many optimal bus-labeling methods have been proposed in order to improve the efficiency of computation of nodal admittance matrix in power systems and to save the computer memories.
电力系统的节点导纳方程组一般是维数很大的线性方程组。为了减少导纳矩阵的运算量，节省计算机内存，人们提出了很多优化编号方法。
Many optimal bus-labeling methods have been proposed in order to improve the efficiency of computation of nodal admittance matrix in power systems and to save the computer memories.
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