网络结构

But it is difficult to determine the number of hidden layer neurons, slowly convergent and easy to fall into local minimum point.

该文研究了一种用于说话人识别的小波神经网络模型，给出了网络结构和学习算法。

This paper analyses the PKI theory architecture detailedly, combining with researching the information security status quo and the wireless communication systems. On this condition, we put forward the feasible WPKI system, CA sub-system and RA sub-system logical frame diagram and network structure blue print. The technical criterions in the system and core content of WPKI, includes the certificate management(certificate requirement, certificate issue, certificate revocation, certificate query and so on), are discussed at length. In the end, the systems function and performance are tested.

本论文对已广泛应用的PKI理论体系进行进行详细的分析，并结合国内外信息安全发展现状和无线通信系统，提出了完整可行的作为权威第三方，提供数字整数的WPKI系统实现的方案，以及其子系统CA子系统和RA子系统的逻辑结构图、网络结构设计图，介绍了系统中的技术规范，详细讨论了WPKI的核心内容——证书管理(证书请求、证书颁发、证书撤销和证书查询等)，并对WPKI系统进行了功能和性能的测试。

A 2-D coded GA is proposed to design the matching network composed of lumped components. The topology and component parameters of the matching network are optimized simultaneously. The network optimized by employing the 2-D coded GA shows better frequency response compared with the network synthesis method and the real frequency method. The thesis also employs the GAs to microwave measurement.

为了解决宽带匹配网络的设计问题，提出了一种二维结构的编码方案，采用这种形式的编码同时对网络结构和元件参数进行优化，成功地设计出性能优良的匹配网络，通过与综合法、实频法的设计结果相比较，表明遗传算法设计出的匹配网络性能更优，特别是在寻找新的网络拓扑结构方面，遗传算法具有更大的优势。

I became familiar with the basic structure of UMTS such as Utran and Core Network and got to know the basic configuration information of hardware such as Call Server, Media Gateway and some important interfaces like Lub and Lur and Ranap and Map protocols.

在两个月的时间里熟悉了UMTS的基本网络结构：UTRAN和CORE NETWORK，了解了基本的硬件配置：CALL SERVER， Media gateway等，知道了Iub， Iur等一些重要接口并了解了RANAP， MAP等主要协议，这为后来的学习工作打下了良好的基础。

The main contents and target of this paper are as follows: The paper will not only conclude the technique and application characters and the configuration of relative network but also explain the mutual response processing flow of short message system .

本课题的研究内容和系统设计目标为：◆总结了短信漫游系统的技术特性、应用特性和相关网络结构，说明了短信漫游系统交互式响应的处理流程。

For the data set with noises, a regularization intropolation method is proposed according to regularization theory. The relation between the regularization intropolation method and radial basis function method is analysed and structure of regularization neural networks is proposed. RBF neural network is introduced by mortifying the regularization neural networks. Finally the approximation capacity of RBF neural networks is analysed. 4. A method of selecting the centers of hidden layer neurons of RBF neural networks is proposed.

首先从精确内插问题开始对RBF神经网络进行讨论，然后根据正则化理论提出了在数据集带有噪声的情况下的内插方法，并分析了这种内插方法和径向基函数方法之间的密切联系以及其对应的正则化神经网络结构，其次对正则化神经网络进行了修改，得到正则化神经网络的简化形式—RBF神经网络，最后分析了RBF神经网络的逼近性能。

Considering the complex environment of PLCC,this paper first establishes the channel model of low-voltage power line on the basis of the research of its impedance,attenuation,and noise characteristics.

针对低压电力线通信环境复杂的特点，本文在综述信道模型的基础上，根据对其阻抗特性、衰减特性及噪声特性的分析，提出并实现了利用实际网络结构、负载装置和电力线模拟电路，组成信道模拟系统的方法。

Relationship between IL and relevant network parameters is presented by network theory. Network structure of EMI power line filter and its computation method for IL are discussed. Common mode and differential mode equivalent circuit model of single-phase power line filter and the high frequency distribution parameters model of filter device are established. Meanwhile, the main characters of soft ferrite are analyzed, and its implement on the EMI power line filter and its equivalent circuit model are given. According to the preceding theory, the software for IL of power line filter and the design of filter inductor are programmed. The difference between the imitative and practical results is analyzed, and the rational of the equivalent circuit model is tested.

文中应用网络理论分析了EMI电源滤波器的插入损耗与相关网络参量的关系，讨论了EMI电源滤波器的基本网络结构及其插入损耗的计算方法，建立了单相电源滤波器的共模及差模等效电路模型及滤波器件的高频分布参数模型，然后分析了软磁铁氧体材料的主要性质，讨论了软磁铁氧体在EMI电源滤波器中的应用，建立了软磁铁氧体磁芯的等效电路模型，最后根据以上理论编制了滤波器插损分析软件和滤波电感设计软件，并对软件仿真结果与实际测试结果进行了对比分析，验证了各个等效电路模型的合理性。

However, want to accomplish " to maintain original network structure and simplify modificatory setting, strengthen usability " at the same time, not be an easy thing.

然而，要想做到"保持原有网络结构和简化变更设置，同时加强可用性"，又不是一件轻易的事。

With the development of physiology,immunohistochemistry and application of electron microscope,researchers want to know the ultramicrostructure,3D ultramicrostructure and physiologic function of ICCs,to think highly of the effect of ICC,and try to interpret morphosis and physiologic function about it.

随着电镜的应用及生理学、免疫组织化学的发展，人们对Cajal间质细胞的超微结构、三维网络结构及生理功能有了进一步的认识，开始重视Cajal间质细胞的作用，试图阐明它们的形态结构和生理功能。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。