另一本EJB开发的书籍，从基础知识入手，步步为营的教你如何使用...

组播以其独特的优势，在网络通信方面的应用越来越广泛，但随之而来的就是安全问题，其中密钥管理是最基本的问题之一。本文研究了安全组播中的密钥管理问题。介绍了现有的两种主要解决方案，即SKDC方案和密钥树管理方案，并分析了它们的不足之处，指出基于密钥树的研究方向，在此基础上提出基于Huffman密钥分级树的密钥管理方案，将布尔函数的分析方法运用其中使管理简便化。并对该方案的性能从密钥管理的存储空间和密钥刷新通信量两个方面，给出了相应的分析。-Multicast With its unique advantages in the communication network is widely applied, but the attendant security issues, key management is the most basic one of the problems. This paper studies the security Multicast key management issues. Of the two main existing solutions, and key programs SKDC tree management program analysis of their deficiencies, that the tree on the key directions of research on this basis based on the classification tree Huffman key Key Management Program, Boolean function of the analytical method which enable the use of simple. Program and the performance of key management from the storage space and traffic Key set two, given the corresponding analysis.

metlab入门比做的50到题，很经典，大家如果想学的，静下心来好好看看。很不错。-metlab entry talks as that of the 50, classic, If you want to learn, reflecting back a good look. Is pretty good.

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Effective+STL太好了,可以好好研习-Effective+ STL good, can be a good learning

一本新的介绍无线通信原理的英文专业书,相信对学习专业和英语都有帮助.-It s a new book of introducing the principles of wireless commnunication,and it can be helpful in your study of speciality and English.

非线性生成学习模型源码 MATLAB有DEMO，通俗易懂，移植性较好-err

vc 编写的源代码！建议你们可以下载小看一下！-vc prepared by the source code! Suggest that you can download belittle!

里面有大量Verilog的实例，是从一本书中摘取过来的，对verilog有一定了解的人有很大的帮助-There are a large number of examples of Verilog is extracted from a book coming on a certain understanding of the verilog were very helpful

一本介绍计算机原理及其发展的书籍，深入浅出，增强对计算机的理解。-Introduce a theory and the development of computer books, simple terms to enhance understanding on the computer.

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