查询词典 hierarchical

The embedded coding is introduced in order to control the data rate accurately, then the principle of EZWis analyzed. The priciples of the improved algorithms such as SPIHT(Set Partitioning in Hierarchical Trees), SPECK(Set Partitioned Embedded Block Coder)are discussed then.

为了实现视频图像传输码率的精确控制，介绍了嵌入式编码的概念，分析了嵌入式零树小波编码算法，讨论了两个基于EZW算法的改进方案，即多级树集合分裂算法和集合分裂嵌入块编码，对这些算法的原理和编码结果进行了比较和讨论。

Experimental results show that the 3D SPEZBC algorithm has the same rate-distortion performances of three-dimensional embedded zero block coding (3D EZBC) algorithm, obviously outperforms three-dimensional set partitioned embedded block (3D SPECK) algorithm, three-dimensional set partitioning in hierarchical trees(3D SPIHT) algorithm and (AT-3D SPIHT) algorithm, and is slightly better than JPEG2000 multi-component (JPEG2000-MC) algorithm at different bit rate in the compression performances.

实验结果表明，3D SPEZBC算法具有与三维嵌入式零块编码(3D EZBC)算法相同的压缩编码性能，在各比特率下编码性能均明显优于三维集合分裂嵌入式块编码(3D SPECK)、三维等级树集合分裂(3D SPIHT)和非对称三维等级树集合分裂(AT-3D SPIHT)算法，并且略好于多分量JPEG2000编码(JPEG2000-MC)算法。

Coal lane sheet crack hierarchical structure of the roof span stability analysis.

煤巷板裂结构顶板分层稳定跨距分析。

Hierarchical Clustering of 6 sheep populations based on 17 quantity indexes including body measurements, ecological and morphological characters indicates that 6 sheep populations can be classified in two types: the first includes Mongolia sheep and Tan sheep distributed in husbandry area and the juncture of agriculture and husbandry area, the second includes Daweihan sheep , Xiaoweihan sheep , Tong sheep , Hu sheep distributed in agriculture area.

以概括体尺、形态、生态特征的17项数量指标为基础的6个群体的系统聚类表明：6个绵羊群体被划分为二大类，一类为牧区及农牧交错区的蒙古羊、滩羊，另一类为农区的大尾寒羊、小尾寒羊、同羊、湖羊。17项数量指标的主成分分析，用已构造的各群体的主成份值进行R型系统聚类，获得与前者类似结果。

Then, we take forward to the Distributed Merging Algorithm, a hierarchical structure to discover the stream synopsies from all leaves to root node, through setting the precision gradient to optimize the communication load and overhead of distributed system.

并提出了基于Lossy Counting算法的、分布式的合并算法DMA的一种分层结构来发现从叶子结点直至根结点的概要结构，并通过设置精确梯度使网络数量最小及数据中心和网络链接所消耗的计算资源最小来优化分布式系统的通信负载。

Three methods to build soft-sensor model of Radial Basis Function neural network (K-means clustering algorithm, mixed Genetic Algorithm, mixed hierarchical Genetic Algorithm) is investigated and verified in simulation.In the condition of setting hidden layer's node numbers, K-means clustering algorithm and mixed Genetic Algorithm can satisfy online prediction of component content.

研究了三种建立RBF网络软测量模型方法(K-均值聚类算法、混合遗传算法、混合递阶遗传算法)，并进行仿真试验验证。K-均值聚类算法与混合遗传算法在预先设定隐含层节点数的情况下能满足组分含量在线估计。

A distributed intrusion detection system with hierarchical structure and self-security was designed to monitor the running context of the system, and the rules were mined in intrusion detection from MIB according to the essence of network attack.

完成分布式多层次结构化的具有自安全性的入侵检测系统的开发，达到管理代理对网络和主机监听目的。

Under the steering of the architecture model and management mechanism proposed in this thesis, an intelligent, self-adapting and scalable hierarchical distributed network management system is constructed on the CERNET. Then it was successfully checked and accepted by Ministry of Education, and is widely used in practice.

在本文提出的分布式网络管理体系结构模型和管理机制的指导下，以CERNET网络为依托，我们实现的具有一定智能的、自适应、可伸展的层次型分布式网络管理系统已经顺利通过教育部的验收，并成功地应用在网络管理的实际工作中。

The boundary of analytical model and statistical model is clearly divided in this performance model, and evaluation accuracy is improved. Secondly, based on embedded SRAM performance hybrid model, this article adopts bionics algorithm-ant algorithm to optimize hierarchical embedded SRAM structure. This method which adjusts memory system structure improves memory system performance. Finally, considering the factors such as memory cell area, power, delay and reliability, this article establishes static 6-T memory cell area, power, delay and static noise margin equations, analyzes 6-T memory cell device dimension constraints under "read upset" and "write upset", then proposes a method to enhance embedded SRAM performance by optimizing 6-T memory cell size. In order to realize embedded SRAM design and verify proposed optimization methods, this article takes the Garfield202 system chip as the platform, which embeds A720T processor and 20KB Scratch-Pad memory.

首先针对嵌入式SRAM结构，采用多元线性回归方法分析SRAM宏单元性能指标，采用解析方法分析控制电路延时，结合以上这两种方法建立嵌入式SRAM性能混合模型，该模型清晰划分两种建模方法的各自适用范围，提高了模型精度；其次以该混合模型为基础建立存储体性能目标函数，采用仿生优化算法—蚂蚁算法优化嵌入式SRAM结构，使之达到最优设计；最后综合考虑面积、功耗、速度以及可靠性等因素，建立静态6-T存储单元面积、功耗、延时以及静态噪声容限方程，分析了&读破坏&和&写破坏&的晶体管尺寸约束，优化了6-T存储单元尺寸，提高了嵌入式SRAM性能。

Glass card business card printing and membership card making and putting it in good repair, dot, hierarchical and colour reproduction, the high cost.

玻璃卡纸的制卡和会员卡制作适性精良，网点、条理和色彩的表现性好，但本钱较矮。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失