FPGA

about dns system security system

认知无线电是一种用于提高无线电通信频谱利用率的新的智能技术. 首先简述认知无线电的背景和概念,针 对认知无线电的频谱感知功能,详细地分析基于能量检测的频谱检测方法,在此基础上研究了噪声方差的不确定 性对检测性能的影响. 针对无线信号检测具有本地局域性和能量检测存在信噪比极限的特点,提出一种分布式有 限合作检测机制,推导出基于“OR”规则的有限合作机制的检测概率,并进行Monte Carlo仿真.(Cognitive radio is a radio communications spectrum used to improve the efficiency of the new smart technology. First, the background and outlined the concept of cognitive radio, spectrum sensing for cognitive radio capabilities, a detailed analysis of the spectrum based on energy detection test In this study the noise variance based on the uncertainty of the detection performance. for wireless signal detection with local detection of localized and there is signal to noise ratio limit of the energy characteristics of a distributed cooperative detection mechanism, derived out based on " OR" rules of the detection probability of the limited cooperation mechanism and conduct Monte Carlo simulation.)

直流电机常用驱动电路,非常有用的电机驱动程序与电路，对于开发电机者非常有借鉴价值。(DC motor drive circuit used, very useful program with the motor drive circuits, motors for developers who are very reference value.)

说明：  是一部window开发比较全面的书籍，书中涉及了window开发的所有内容，适合有一定编程基础的开发人员不断地学习。(Window is a more comprehensive development of books, book covers all the contents of window development for a certain programming based development staff have been learning.)

对于学习信息论的各位朋友们帮助很大，精炼易懂(It is very helpful for those who study information theory,it is Refining and easy to understand. )

Document CANopen - CiA The CANopen specifications cover of the aplication layer and communication profile (Document CANopen- CiA The CANopen specifications cover of the aplication layer and communication profile )

《Functional Data Analysis with R and MATLAB》（R和Matlab环境泛函数据分析）第二版电子书(Functional Data Analysis with R and MATLAB Second Edition E-book)

说明：  Julia is a high performance, high-level dynamic language designed to address the requirements of high-level numerical and scientific computing. Julia brings solutions to the complexities faced by developers while developing elegant and high performing code.

twincat PLC编程手册，学习编程的入门资料，非常适合自学！(handbook of twincat PLC)

统计学习是计算机及其应用领域的一门重要的学科本书全面系统地介绍了统计学习的主要方法，特别是监督学习方法，包括感知机、K近邻法、朴素贝叶斯法、决策树、逻辑斯谛回归、与最大熵模型、支持向量机、提升方法、EM算法、隐马尔可夫模型和条件随机场等。(Statistical learning is an important subject in the field of computer and application of this book comprehensively systematically introduces the main methods of statistical learning, especially the supervision method of study, including the perception, K neighbor method, naive bayesian method, decision tree, logistic regression, and the maximum entropy model, support vector machine (SVM), promotion methods, the EM algorithm, the hidden markov model and conditional random field, etc.)