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First, considering the factor of unit gain space and the space limit, the common expression s of multiple views were selected out as the intermediate result, and the algorithm which was used to define the intermediate set was put forward. Then the algorithm of maintaining multiple views with this set was given. At last, the correctness and efficiency were given after the analysis and experiments.

首先,结合单位空间增益、空间限制等因素,选择多个物化视图的公共表达式作为中间结果,并提出了确定中间结果集的具体算法;其次,利用己计算出的中间结果集进行多个视图的维护,给出了具体的维护算法;最后,通过分析和实验证明了该算法正确且效率有显著提高。

A structure of space-time diversity virtual double-route weighting interference mitigating is proposed, and the corresponding practical algorithm is derived in detail using block matrix inversion formula and matrix inversion theory for mitigating interference signals from both other cells and other users of local cell in the DS-CDMA up-link communication case. Performances of such algorithm are thoroughly analyzed through simulation and analytical results. The up-link and down-link channel characters and their relationship of DS-CDMA communication system are thoroughly analyzed, and the relationship of space-time diversity weighting matrix between time division duplexing and frequency division duplexing these two different transmission ways is derived.

本论文深入地比较了DS-CDMA通信系统的上传情形与下传情形的信道特性及其它们相互之间的关系;深入地分析并得到了时分双工和频分双工两种不同的传输模式下的上传情形与下传情形的空时分集权系数矩阵之间的数量关系,从而使得能够利用在基站端所拥有的上传情形的空时分集接收权系数矩阵信息以及其他信息在基站端直接形成空时分集发射权系数矩阵;推导了下传情形移动用户接收机端的最优组合接收策略及其算法;进一步地,对时分双工传输模式下的下传情形的通信系统性能和频分双工传输模式下的下传情形的通信系统性能进行了深入的比较仿真研究。

Aiming at the limit of date integration pattern, the paper put forward a kind of EAI(Enterprise Application Integration) solution scheme based on data integration. Then based on the foundation on analyzing distributed business system of chinaware enterprises, throughthe definition of mapping data collection by using functional data and combined with data integration schema, the paper put forward integration schema of concrete data of ERP and a kind of distributed management.

针对企业应用集成(Enterprise Application Integration,EAI)中数据集成模式的局限,提出了一种基于映射数据集和传输定义集的数据集成方案来实现企业不同应用系统的数据集成和功能集成,在分析陶瓷制造业分销体系和分销业务流程后,给出了一个陶瓷制造企业分销管理系统和ERP 系统集成的详细方案。

A novel rendering technology based on surface reconstruction of points is presented,and through local surface analysis,surface parameter extraction and re sampling, fine rendering result at any viewing distance is generated.

提出了一种基于曲面点集重建的渲染技术,能够对输入点集作局部分析,提取曲面的参数,并通过重采样的方法,获得新的、密集的采样点,生成近景的高质量渲染结果。

Association rules mining is a very active field in data mining and there are many algorithms today. In this field, the most classical algorithm is Apriori put forward by Agrawal et. al and it is used widely. The paper analyzes the advantages an disadvantages of Apriori, AprioriTid and AprioriHybrid algorithm in mining association rules. To solve the bottle of AprioriHybrid algorithm, a Support-Matrix method to rapidly verify the 2-frequent itemsets is put forward. To accelerate the speed of verify the k-frequent itemsets, a simple and highly efficient method of minimizing the trade database is given. All these two methods improve the efficiency of AprioriHybrid method.

关联规则挖掘是数据挖掘中一个非常活跃的领域,当前有许多种算法,最经典并被广泛使用的是Agrawal等人提出的Apriori算法及其衍生算法,本文分析了Apriori,AprioriTid和AprioriHybrid算法的优缺点,针对AprioriHybrid算法的瓶颈提出一种使用支持度矩阵对频繁2项集快速验证的方法,并给出一种简单易行,而又高效的逐步缩减交易数据库的方法,加快对候选频繁k项集的验证速度,从而提高了AprioriHybrid算法的效率。

In this paper we analyze the theory of Julia sets of Newton method for multiple roots, construct the standard, relax and multiple root's Julia sets.

作者分析了重根牛顿变换的Julia集理论,并利用迭代法构造了标准牛顿变换、松弛牛顿变换和重根牛顿变换的Julia集。

The study showed that spectra information can be extracted thoroughly by the pretreatment method of first derivative combined with standard normal variate, with the SEC of 0.002 5, SEP of 0.006 6, and determination coefficients of 0.988 4 and 0.922 7 respectively.

分析表明采用一阶导数结合标准归一化处理能最有效地提取光谱信息,此时PLS模型校正集决定系数与检验集决定系数分别为0.988 4与0.922 7,校正标准误差与预测标准误差分别为0.002 5与

SuperMap Objects demonstration of how the data in the overlay function set, the main cutting complete data set, and erase capability.

详细说明:示范在SuperMap Objects 中如何数据集叠加分析功能,主要完成对数据集的裁剪和擦除功能。

The objective set mainly includes five concrete goals, they are: living in the countryside freely; transferring the livestock and grassland to next generation as property; obtaining the higher income; becoming a farmer respected by others; and improving the living standard. In order to analyze their importance for herdsman in production decision making, the Paired Comparison is applied in the study.

本研究通过文献分析、专家讨论和实地调研确定了研究区域牧民生产决策的目标集,该目标集包含:过轻松自由的放牧生活;将牲畜、草场作为财产留给自己的下一代;做一个受人尊重的牧民;通过饲养牲畜并在将来价格较高时销售、以获得更多的收入;提高目前家庭的生活水平五个目标。

Most of them take Pareto dominance as their selection strategy and do not require any preference information .

这些方法得出的是一个优化解集,而没有对这个解集进行分析。

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在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

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很漂亮,不过停机坪更迷人。那人俏皮地答道。