https://en.wikipedia.org/wiki/Electronic_oscillator An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.[1][2] Oscillators convert direct current (DC) from a po…

基于多级反馈环形振荡器的真随机数发生器设计 摘要 真随机数生成器(trng)在加密系统中起着重要的作用.本文提出了一种在现场可编程门阵列(FPGA)上生成真随机数的新方法,该方法以 多级反馈环形振荡器(MSFRO) 的随机抖动为熵源.在传统环形振荡器的基础上,增加了多级反馈结构,扩大了时钟抖动的范围,提高了时钟采样频率和熵源的随机性.与传统的时钟采样结构不同,我们利用MSFRO产生的时钟抖动信号对FPGA的锁相环(PLL)产生的时钟信号进行采样.对得到的输出值进行异或运算,以减小输出值的偏差,提…

Electronic Payment App is getting more and more popular now. People don't have to bring credit cards any more. All they need to do is using their smartphones and they could go shopping, check bills and dining in restaurants. It very convenient but so…

电子病历 电子病历(EMR,Electronic Medical Record),也叫计算机化的病案系统或称基于计算机的病人记录(CPR,Computer-Based Patient Record).它是用电子设备(计算机.健康卡等)保存.管理.传输和重现的数字化的病人的医疗记录,取代手写纸张病历.它的内容包括纸张病历的所有信息.美国国立医学研究所将定义为:EMR是基于一个特定系统的电子化病人记录, 该系统提供用户访问完整准确的数据.警示.提示和临床决策支持系统的能力. 病历是病人在医院诊断治疗…

electronic data interchange 电子数据交换…

Lab 7 Electronic Mail Goal: To build common skills with MTA configuration Estimated Duration: 90 minutes System Setup: Ensure that SELinux and packet filtering are enabled. If you feel confident, then try to complete the lab based only on the specifi…

题目链接: PKU:http://poj.org/problem?id=3654 ZJU:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2936 HDU:http://acm.hdu.edu.cn/showproblem.php?pid=2723 Description The Tyrell corporation uses a state-of-the-art electronic document system th…

Electronic Auction Time limit: 0.5 secondMemory limit: 64 MB There is a deficit in cast-iron pigs in the country. They are sold at an electronic auction. Customers make their bids: announce a price at which they are ready to buy a pig. From time to t…

微信推出了Windows版和Mac版,一直没有推出也不会推出Linux版本,这就催生了Electronic WeChat(https://github.com/geeeeeeeeek/electronic-wechat). Electronic WeChat使用Electron( https://electronjs.org )技术,它可以让你使用 JavaScript,HTML和CSS构建跨平台的桌面应用. 编译安装 安装前你可能需要安装git nodejs npm.你也可以不进行编译,直接安…

Job Title Advanced Electronic Engineer Job Description In this role, you have the opportunity to Be responsible for the definition of system or subsystem requirement specification; Design and develop Electronic system, subsystem or component of produ…