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We gave out a new method of finding community structure on the basic of divisive algorithm and agglomerative algorithm--agglomerative algorithm based on diversity index. We also used the algorithm in classic Zachary network and found the result is in accordance with the real network.

2本文在分裂算法和凝聚算法的基础上也提出了一种新的算法——基于相异性指数的凝聚算法,并将它运用于经典Zachary网络,结果与现实网络完全符合。

This paper researches on arithmetic of boiler economical combustion . Based on typical control arithmetic and ecumenic fuzzy arithmetic , it offers a new fuzzy control arithmetic .

本文对锅筒锅炉经济燃烧算法进行了研究,在传统控制算法和一般模糊控制算法的基础上,提出了一种新型的更加符合实际,运行效率高的模糊控制算法。

A new crossover operator is proposed to keep goad genes and enhance the search performance. Local search mechanism is added into GA to find solutions for TA problems with a more rapid convergence speed. Simulated annealing is used to overcome the problem of local optimum. A heuristically greedy local search is also proposed to improve the search efficiency. The simulation results show that the improved algorithm can improve the search efficiency of GA.

构造了适合于目标分配问题的染色体;设计了搜索性能较好且能够保留优秀基因的交叉操作方法;将局部搜索机制引入标准遗传算法,提高了目标分配算法的收敛速度;把模拟退火算法引入局部搜索问题,在一定程度上避免了局部最优问题;将贪婪算法应用于局部搜索提高了最优分配方案的搜索效率。

The experiment results on 13 well-known benchmark problems show that the proposed algorithm is capable of improving the search performance significantly in convergent speed and precision with respect to four techniques representative of the state-of-the-art in constrained optimization such as evolutionary algorithm based on homomorphous maps, artificial immune response constrained evolutionary strategy, constraint handling differential evolution, and evolutionary strategies based on stochastic ranking.

对13个标准测试问题的测试结果表明:与动态惩罚函数的进化算法、人工免疫响应约束进化策略、可行性规则的差分进化算法以及采用随机排序的进化策略相比,新算法在收敛速度和求解精度上均具有一定的优势。关键词:人工智能;差分进化算法;约束优化;随机排序

The multiresolution time-domain algorithm based on the scaling function of the Daubechies wavelet is introduced, and the perfectly matched layer absorbing boundary condition for the algorithm is deduced. In order to overcome the difficulties due to the nonlocalized property of the MRTD basis functions, the pure scattered-field formulation is adopted. The method presented is applied to the scattering analysis of multiple conducting objects, and the numerical results are compared with those by the traditional finite-difference time-domain method. It is shown that the computational resource is reduced drastically without sacrificing much accuracy.

对基于Daubechies小波尺度函数的时域多分辨分析算法进行了详细论述,推导了MRTD算法的完全匹配层吸收边界条件,为克服传统MRTD方法中基函数存在着非局部性的缺点,在源的加入上采用了纯散射场方法;并应用该算法对多目标的电磁散射特性进行了分析,数值结果表明,MRTD算法与传统的时域有限差分法结果相吻合,大大节约了计算资源。

The main calculation in the particle image matching algorithm is to have the two visual seriate images taken the cross-correlation arithmetic based on the fast fourier transform. This paper discusses the basic principle of the cross-correlation arithmetic in detail, discuss each stage of its produce and development and also discuss the thinking, the merit and the defect of each algorithm. On the base of all these discussing, we confirm our algorithm and realize it in programming with C++.

粒子图像的匹配算法的主要运算是将两连续的视频图像进行基于快速傅里叶变换的互相关运算,本文详细论述了相关算法的基本原理,它的产生和发展的各个阶段,各种算法的思路和优缺点,在此基础上确立了自己的算法并以C++编程实现。

Oriented to the knowledge processing in IHS, in order to design a tume Petri nets efficient algorithm for temporal knowledge reasoning the dissertation makes full use of the efficiency of Petri nets for knowledge processing and the model of train group operation.

针对智能混杂系统的知识处理问题,在已经建立的列车群运行系统的对象Petri网模型的基础上,本文利用Petri网对知识的处理能力,给出了一种有效的时间Petri网的时间知识推理算法,由于算法中引入模糊时间区间的操作、保留了最少数量的生成图节点,所以该算法比已有的算法效率高并可处理时间区间的不确定性问题。

For preparing for the researches of text digital watermarking and advantaging other researchers" development when using the Chinese mathematical expression theory, this paper designs and realizes a development platform of Chinese mathematical expression. It has been proved by experiments that the platform"s function, execution speed and stability can satisfy the requirements of conversion and operation of enormous data.This research found out that the structure information of Chinese have plenty redundant information that can be used by the Chinese mathematical expression for the digital watermarking, the data embedded can possess better robustness. Based on this finding, this paper designs a kind of text digital watermarking method of embedding watermarking by using Chinese structure, and realizes the method by using the Chinese mathematical expression platform.Considering the watermarking embedding algorithms importance to the robustness of the text digital watermarking, this paper makes fully use of the advantage of the Chinese mathematical expression theory to design a kind of layered text method, which has being realized by using the Chinese mathematical expression platform. The layered text method can handle the text as a solid structure, and the embedding data havepreferable robustness.Finally, based on the researches of the text digital watermarking method and the text layered method, this paper integrates the method of making use of the Chinese structure embedding watermarking with the robust algorithm based on text layered, and realizes a brand-new text digital watermarking method. Proved by lots of experiments, this brand-new method has good robustness and better invisibility.

为了为研究工作做准备和方便其他使用汉字数学表达式理论体系的人进行开发,本文基于汉字数学表达式理论设计实现了一个汉字数学表达式平台,实现了Unicode汉字集中的汉字、汉字数学表达式、汉字的Unicode码之间的相互转化、依据汉字数学表达式提取汉字的结构信息、由汉字数学表达式在非中文平台上不依赖字库显示汉字的图像等功能,使用复合文档技术和流压缩技术进行数据的存储,使用对汉字数学表达式进行二叉树拆分来处理汉字数学表达式中包含的信息,使用自定义哈希函数来提高运行速度,实验证明,该平台功能、速度和稳定性完全能满足大量数据的转化和运算要求;通过研究表明汉字的结构信息中存在大量可使用汉字数学表达式理论加以利用的水印加载空间,加载在该空间的数据可以具有较好的鲁棒性,基于此,本文设计了一种利用汉字结构加载水印的文本数字水印方法,并使用汉字数学表达式平台将其实现;由于水印嵌入算法对于文本数字水印的鲁棒性至关重要,本文充分利用汉字数学表达式理论的优点,设计了一种文本分层的方法,并使用汉字数学表达式平台将其实现,使文本成为一个立体的空间,使嵌入在其中的数据具有更好的鲁棒性;最后在基于汉字数学表达式的文本数字水印嵌入方法的研究和基于汉字数学表达式的文本分层方法的研究的基础上,结合利用汉字结构嵌入水印的方法和基于文本分层的抗攻击文本水印嵌入算法实现了一种全新的文本数字水印方法,经实验证明,该方法有良好的鲁棒性和较好的隐蔽性。

Information security usually adopt coding and information hiding technology ,though digital watermark belongs to information hiding technology ,its signification and application intention are different with information hiding .The hiding information is similar to the protected color of animal ,because the sneak can not ensure whether there is hiding information when he face a great deal of information to avoid of attack .Digital watermark is enchased into multimedia product to identify copyright data .

大多数时间域水印算法提供简捷有效的水印嵌入方案,且具有较大的信息嵌入量,但对语音信号处理的健壮性较低;变换域水印算法则具有较强的抵抗信号处理和恶意攻击的能力,但嵌入和提取过程相对复杂;压缩域水印算法是直接把水印信号加在压缩音频上的方法,它可以避免压缩算法编解码的复杂过程,但稳健性不高,而且能够嵌入的水印容量不大[2][14]。

On the basis of comparative analysis of the relevant micro-imagemosaicing algorithms, a suitable algorithm is choosed to combine local images to ahigh-resolution images of greater vision, which is better for pathologist to observe cervical cellmorphology. By some measurement algorithms of pathological cells and metal particulate which are reported in magazines, cervical cell parameters measuring and nucleus plasm ratio analysisare better realized.

本论文通过将成熟的图像处理算法有针对性地用于宫颈细胞图像处理,较好的实现了对宫颈细胞图像几何变换,色彩变换,平滑,增强,边缘检测;在对比分析相关显微图像拼接算法的基础上,选择合适算法将局部图像合成更大视野的高分辨率图像,供医生更好的观察细胞形态;将相关文献中报导的处理病理细胞和金属微粒形态测量的算法用于宫颈细胞形态参数的测量,较好的实现了细胞形态参数测量及细胞核浆比分析等功能。

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推荐网络例句

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。