These BCD-to-decimal decoders/drivers consist of eightinverters and ten, four-input NAND gate
上传时间: 2013-07-31
上传用户:1047385479
针对当前安检力学试验机所能完成的试验种类单一、自动化程度低等问题,提出一种以ATmega128单片机为核心控制器的安检力学试验机的设计。详细阐述了该安检力学试验机各个组成部分的设计原理和方案,并且给出了各部分的软件设计思想和操作流程。经过大量测试试验表明:设计的安检力学试验机可以完成多达十余种的力学安检试验,完全符合相关国家标准,并且具有数据采集精度高、传输速度快、操作安全简便等特点,实现了安检设备的多功能化、数字化和自动化。 Abstract: Currently, many mechanical security testing machines have only one function. The degree of automation of them is low. To solve those problems, a new kind of mechanical security testing machine, using ATmega128 micro-controller as its core controller, has been advanced. It describes the components of the machine. The principles and the scheme in the designing processes are presented in detail, and the software architecture and the operation processes of each part are given. After having done many testing, we have reached the following conclusions: the mechanical security testing machine presented can do over ten mechanical security tests complying with related national standards. It has high data acquisition accuracy and high transmission speed. The operation of the machine is simple and safe. In general, this machine is a multi-functional, highly automatic, digitalized security testing device.
上传时间: 2013-11-05
上传用户:a67818601
This book evolved over the past ten years from a set of lecture notes developed while teaching the undergraduate Algorithms course at Berkeley and U.C. San Diego. Our way of teaching this course evolved tremendously over these years in a number of directions, partly to address our students' background (undeveloped formal skills outside of programming), and partly to reect the maturing of the eld in general, as we have come to see it. The notes increasingly crystallized into a narrative, and we progressively structured the course to emphasize the story line implicit in the progression of the material. As a result, the topics were carefully selected and clustered. No attempt was made to be encyclopedic, and this freed us to include topics traditionally de-emphasized or omitted from most Algorithms books.
标签: Algorithms 算法
上传时间: 2013-11-11
上传用户:JamesB
Have you had the exasperating experience of a laptop orPDA defi antly not responding to your commands? Youfrantically press key after key, but to no avail. As hopeturns to anger (but just before you throw the company’slaptop through the window) you slam your fi nger againstthe on/off power button. ten seconds later, your laptopfi nally surrenders and the screen goes black in a highpitched whimper.
上传时间: 2013-12-10
上传用户:Vici
书名:基本商业程序的建模 Essential Business Process Modeling (Paperback) 作者: Mike Havey 出版商:O Reilly 1 edition (August 18, 2005) 内容介绍: ten years ago, groupware bundled with email and calendar applications helped track the flow of work from person to person within an organization. Workflow in today s enterprise means more monitoring and orchestrating massive systems. A new technology called Business Process Management, or BPM, helps software architects and developers design, code, run, administer, and monitor complex network-based business processes. BPM replaces those sketchy flowchart diagrams that business analysts draw on whiteboards with a precise model that uses standard graphical and XML representations, and an architecture that allows it converse with other services, systems, and users.
标签: Essential Paperback Business Modeling
上传时间: 2015-10-21
上传用户:zhangyigenius
Web technology is not evolving in comfortable and incremental steps, but i s turbulent, erratic, and often rather uncomfortable. It is estimated that the Internet, arguably the most important part of the new technological environment, has expanded by about 2000 % and that is doubling in size every six to ten months. In recent years, the advance in computer and web technologies and the decrease in their cost have expanded the means available to collect and store data. As an intermediate consequence, the amount of information (Meaningful data) stored has been increasing at a very fast pace.
标签: comfortable incremental technology and
上传时间: 2015-11-05
上传用户:Shaikh
单片机RS232/RS485串行发送实验(双机通讯)。 实验步骤: (1),准备两台598K实验机,确定1号机为发送,2号机为接收; (2),当作RS232接口实验时,1号机和2号机的P3.0和P3.1交叉相连,且两机共地; (3),当作RS485接口实验时,1号机和2号机的A、B作对应连接,同时1,2号机的R/ten接P1.0, P3.0接R0, P3.1接DI。 (4),先运行2号机,键入[27]-->[EV]使2号机处于接收状态P。,后运行1号机[26]-->[EV]使1号机处于发送状态,P。会闪烁,在1号机键盘上按动数字键,在2号机的数码管上应显示对应的数字键值。
上传时间: 2015-11-27
上传用户:thinode
Boost provides free peer-reviewed portable C++ source libraries. We emphasize libraries that work well with the C++ Standard Library. Boost libraries are intended to be widely useful, and usable across a broad spectrum of applications. The Boost license encourages both commercial and non-commercial use. We aim to establish "existing practice" and provide reference implementations so that Boost libraries are suitable for eventual standardization. ten Boost libraries are already included in the C++ Standards Committee s Library Technical Report (TR1) as a step toward becoming part of a future C++ Standard. More Boost libraries are proposed for the upcoming TR2. Boost works on almost any modern operating system, including UNIX and Windows variants. Follow the Getting Started Guide to download and install Boost. Popular Linux and Unix distributions such as Fedora, Debian, and NetBSD include pre-built Boost packages. Boost may also already be available on your organization s internal web server.
标签: libraries peer-reviewed emphasize provides
上传时间: 2016-12-05
上传用户:semi1981
This short paper will give you some VHDL code examples that will help you design synchronous circuits that work first time.The philosophy behind ten-Commandment code is that synthesizers are not to be trusted too much. Most of the code you will see is close to the structural level some more overtly than others.
标签: will synchronous you examples
上传时间: 2014-12-01
上传用户:sjyy1001
2017 pjm资料,每十分钟获取一次,可以看看
标签: ace-ten-minute-data-ferc 2017 784
上传时间: 2018-12-09
上传用户:jyyp