在改进

The traditional distinction based on the matrix attribute reduction algorithm analysis, for distinction in the matrix "repeat" Too many elements, these "duplicate" elements not only in solving attribute reduction in the process does not work, But also reduce the time efficiency by improving the shortcomings that distinction in the matrix structure in the process of using Proposition calculus in the absorption of the law removed the distinction between the functions of the non-functional "repeat"element, a property Reduction of improved algorithm RADM, improve the efficiency of the attribute reduction.

通过对传统的基于区分矩阵的属性约简算法进行分析后，针对区分矩阵中"重复"元素过多，同时这些"重复"元素非但在求解属性约简的过程中不起作用，而且还降低时间效率这一缺点进行了改进，即在构造区分矩阵的过程中，利用命题演算中的吸收律去掉了在区分函数中不起作用的"重复"元素，提出了一种属性约简的改进算法RADM，提高了属性约简效率。

Based on such consideration, a strong texture description operator used in computer vision called local binary patterns is introduced. In this paper, the classic LBP method is enhanced from three aspects for facial expression recognition: image data, constructing feature way and the way of combining all extracted features.

基于以上几点考虑，本文引入了在图形学中具有很强描述纹理能力的局部二元模式(Local Binary Patterns，LBP)算法，改进了其中的三点对表情识别不利的因素：(1)将原图像经过小波包分解并在其它频率图像为零的情况下重构，得到了四幅与原图像大小相等的不同频率图像，在一定程度上增加了原图像的数据，改进了原算法数据量不足的问题。

Because one need to search H in the range of 110, 1 and calculate the autocorrelation function many times, the concise formula of autocorrelation function of discrete fractional Gaussian noise is used to improve the processing speed. Simulation results have shown that it can estimate H accurately and more effectively than conventional LMS based on autocorrelation ftinction for both pure fractal signal and noise-corrupted fractal signal.

接着我们研究了在白噪声背景下进行分形参数估计的相关函数法，针对其在计算中需反复使用自相关函数的特点，提出了一种改进的相关函数法，实验表明，改进的方法在精度上几乎没有损失，而大幅度地提高了计算效率。

the fast transposition algorithm to sparse matrix expressed by triple list is introduced.this algorithm needs to determine the position in the transposed matrix position of the first element which is not equal to zero in the original matrix each row,it uses two arrays as auxiliary space.in order to reduce the auxiliary space which the algorithm needed,an improvement is made through introducing two simple variables.the improved algorithm saves a half auxiliary space compared to the original algorithm at the same time complexity.

摘 要：介绍基于三元组表表示的稀疏矩阵的快速转置算法，此算法在转置前需要先确定原矩阵中各列第一个非零元在转置矩阵中的位置，在此使用2个数组作为辅助空间，为了减少算法所需的辅助空间，通过引入2个简单变量提出一种改进算法。该改进算法在时间复杂度保持不变的情况下，空间复杂度比原算法节省一半。

Based on the empirical result, we compare the Apriori algorithm with this improved algorithm.

在实验的基础上对Apriori算法和改进的算法进行了比较，实验结果表明，在特定的数据库中，改进的算法在挖掘效率上优于 Apriori算法。

Moreover, an improved upper bound on the average MAP decoding error probability of linear Slepian-Wolf systems for stationary memoryless sources is derived. Based on this improved bound, we analyze the performance of Slepian-Wolf systems based on LDPC codes and random permutations, and prove that under some conditions, all but diminishingly small proportion of LDPC encoders and permutations are good enough for the design of practical Slepian-Wolf systems when the coding length is very large.

然后，论文在相关平稳无记忆信源下推导出线性Slepian-Wolf系统平均MAP译码错误概率的一个改进上界，并在这一改进上界的基础上，分析了基于LDPC码和随机置换的Slepian-Wolf系统的性能，证明了在一定的条件下，当编码长度非常大时，几乎所有的LDPC编码器和置换对于实际Slepian-Wolf系统的设计都是足够好的。

After flow and transient stability calculating of the 330kV grid, we got the over-load and hazard lines set. Then we gained the redundant network needed to be built according to the increasing power supply and load in 2010. Adopting regradation step-by-step algorithm by which we can improve the calculation efficiency , we compared the validity of every line, deleted lines with low validity until no redundant line is in the network. At last we got the target network framework adopting the improved ant colony algorithm. Flow distribution, construction investment assessment and target framework of Gansu long-term planning all be considered, from the viewpoint of to be economic and reliability the feasibility of the improved ant colony algorithm is discussed.

在对2006年该网架结构进行了潮流计算与暂态稳定计算分析后，得出了系统的过负荷与危险线路集，并针对2010年新增的电源和负荷点确定了冗余的待建网架，然后利用逐步倒推法比较各待选线路在系统中的有效性，逐步去除有效性低的线路，直到网络中没有冗余线路为止，以此来以提高优化算法的计算效率，最后利用改进后的蚁群算法确定优化后的目标网架结构，并从潮流分布、建设投资估算等方面与甘肃电网远期规划中确定的目标网架进行了比较，从可靠性和经济性角度论证了改进蚁群算法在网架优化中的可行性。

Based on this, in the usual classroom instruction, improves the teaching method, provides the innovation to the student the environment, the multi-encourage student questioned, provides the opportunity which for the student may innovate, simultaneously strengthens the student thought training and the improvement appraisal way, lets the student by this be glad in mathematics learning process to explore happily, does everything possible to solve, and achieves as far as possible has the innovation, only then insisted like this, the innovative ideology will certainly to strike root in the hearts of the people, the innovative spirit even more carries forward, student's intelligent wisdom can transnormal effectively displays.

在此基础上，在平时的课堂教学中，多改进教学方法，给学生提供创新的环境，多鼓励学生质疑，为学生提供可创新的机会，同时加强学生思维训练和改进评价方式，以此让学生在数学学习过程中都乐意愉快地去探索，想方设法去解决，并且尽量做到有所创新，只有这样坚持下去，创新意识必将深入人心，创新精神更加发扬光大，学生的聪明智慧才能更有效地超常规发挥出来。

Efficient method was also taken up with for controlling and mitigating methane emissions from paddy fields.In summary, this study showed the feasibility of using new multi-temporal microwaveRadar ALOS data acquired in key dates during rice growing season to extract paddy ricegrowing area was tested. A modified rice backscatter model was developed on the basis oforiginal radiation transfer model for simulating paddy rice backscattering characeteristics. Themodified model and Genetic Algorithm Optimization Tool were synergized to reversephysical parameters and map rice biomass at spatial scale in the study area. At last, on thebasis of paddy rice planting area and farming practice data, biogeochemical DNDC modelwas utilized to simulate quantitatively estimating methane (CH_4) emission from paddy fieldsand represented some specific mitigation scheme.

综上所述，本研究在以下几方面取得了进展：验证了在水稻主要生长期内获得的多时相ALOS／PALSAR雷达数据提取种植面积的实用性；在原有辐射传输模型基础上进行改进，得到了适用于模拟水稻后向散射系数的一阶散射模型；利用改进的模型和遗传算法优化工具进行水稻结构参数反演，并对研究区开展水稻生物量空间分布制图和估算；利用DNDC模型模拟和定量估算稻田CH_4的排放量，进而提出了具体减排耕作措施。

It introduces China pharmaceutical industry's characters and problems and then analyzes influence factors from the macroscopically, interspaced and microscopically views. Chapter four is the empirical research part in this paper. It introduces the principal of appraisal index and the choosing of the indexes. Then it introduces the building of model and its disposal method in Spss. To get a clear view of principal components analysis the paper analyzes the differentiate and connection between PCA and factor analysis. In this basement, the paper introduces the disposal process and results of the model. The paper then improves the model with entropy right method to eliminate the portrait diversity of data. To validate the model's stability, the paper makes a significance test of the four results.

第四章是本文的实证研究部分，首先介绍了评价指标选取的原则和指标的确定；然后介绍了模型的构建及其在spss中的处理原理，由于主成分分析法不能在spss中直接实现，且其原理和操作都易与因子分析相混淆，所以本节首先分析了主成分分析法和因子分析法的区别和联系，在此基础上描述了怎样在spss的因子分析的基础上利用主成分分析法进行投资价值评价模型的数据处理；然后介绍了模型的数据处理过程和输出结果，随后利用熵权法对模型做了进一步改进，消除了数据间的纵向差异性，并对改进前后的输出结果进行显著性检验，以验证模型的稳定性。

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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。