维数

Combined with the requirement of real project,the statistic concept of believing degree is introduced into feature extraction and a dynamic algorithm for effective feature extraction is proposed,which is based on accuracy requirement and capable of constringing the feature dimension while reducing leaked or pretend alarm probability.

结合实际工程中的某些要求，将统计学中的置信度概念引入特征提取中，提出了一种按照精度要求进行有效的特征提取的算法，该算法能够实现在抑制漏警错误或者虚警错误的同时降低特征维数的功能。

Combined with the requirement of real project,the statistic concept of believing-degree is introduced into feature extraction and a dynamic algorithm for effective feature extraction is proposed,which is based on accuracy requirement and capable of constringing the feature dimension while reducing leaked or pretend alarm probability.

摘 要：结合实际工程中的某些要求，将统计学中的置信度概念引入特征提取中，提出了一种按照精度要求进行有效的特征提取的算法，该算法能够实现在抑制漏警错误或者虚警错误的同时降低特征维数的功能。

From the perspective of the relationship between crop percent and landscape spatial structure, the fragmentation debases along with the percent enhancing and they are positively correlated.

从农作物百分比与景观空间结构的关系来看，破碎度随农作物百分比的升高而降低，两者呈显著线性相关，而分维数和农作物百分比基本不存在显著关系。

In the paper Wavelet Transform was performed on the Steel Board picture,and combining the Fractal Brownian Model,computing the Fractal Dimensions of the Wavelet Coefficient pictures of different frequencies resulted from Wavelet decompounding,and make it the feature to differentiate Side Wave defect and nick detect.

本文在对镀锌钢板图像进行小波变换的基础上，结合分形布朗模型，计算小波分解得到的不同频率下的小波系数图像分形维数，以此作为区分边浪与划痕缺陷的特征。

A heuristic search strategy and a practical example are given.The result shows the consistent feature selection reduction method can eliminate the disaccords of the sample dataset,select the optimal feature variables,drop the dimension of the data and reduce the redundancy information effectively.

给出的启发式搜索策略和应用实例表明：一致化特征选择约简方法能有效消除分类数据集的不一致性，选择最优的特征变量、降低数据的维数、减少数据集中的冗余信息。

In both sampling period and fractal computing dimension,the signal is fuzzed to construct fractal dimension subordinating degree. A novel correct method,the fuzzy neural network diagnosis method,was proposed,in which the input is the fractal dimension subordinating degree, and the output is the unit matrix. A gearing system was diagnosed by using the modeling.

以多时间尺度采样所获得的分形维数隶属度作为网络输入，单位矩阵为网络输出的分形模糊神经网络，建立了时域精确诊断新方法，通过对典型齿轮系统故障进行精确诊断，结果表明分形模糊神经网络诊断方法的有效性。

The proposed method based on the pinch technology is helpful to find the bottleneck of the process, eliminate unreasonable solutions and cut down the dimensions of the mathematical model. So the NLP model can be solved by the software of GAMS.

研究表明，夹点分析可发现过程瓶颈，剔除一些不合理的结构，降低数学模型的维数和求解难度，所以采用优化软件GAMS就可以求解。

The security of the protocol relies on the fact that for most lattices,it is very difficult to find extremely short vectors.

该协议的安全性基于有限时间内在大维数格计算最短向量的困难性。

It has given a method of calculating the correlation dimension by using more than one variable.

根据常规的测井资料数据，给出了一种使用多变量计算关联维数的方法。

In order to reduce the dimension in the feature vectors, we provided the quantizing algorithms of the color space in detail in this paper with the amount of calculation reduced.

为了降低特征空间中的维数，文中详细给出了颜色空间的量化算法，使得计算量得到降低。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。