united
共 26 篇文章
united 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 26 篇文章，持续更新中。
用PIC17C42实现数据加密标准运算法则
In January 1977, The United States government<BR>adopted a product cipher developed by IBM as its of
How Cell Phones Work
Millions of people in the United States and around the world use cellular phones. They are such grea
音响功放测试方法
<p>說明：</p><p>1，测试交流电源（Test AC Power Supply）：A.中国（China）：AC 220V+/-2%50Hz+/-2%</p><p>B.美国（United States of America）：AC 120V+/-2%60Hz+/-2%。</p><p>C.英国（Britain）：AC 240V+/-2%50Hz+/-2%</p><p>D.欧洲（Europe）：A
Electromagnetic+Transients+in+Power+Cables
For more than a century, overhead lines have been the most commonly used<br />
technology for transmitting electrical energy at all voltage levels, especially on the<br />
highest levels. However, in
Mobile+Technology+Consumption+Opportunities
The growth of mobile technologies is remarkable. At a recent Mobile World Congress Conference, Eric<br />
Schmidt, CEO of Google predicted that within three years, smart phones will surpass Personal C
Broadband Access Networks Technologies
At present, there is a strong worldwide push toward bringing fiber closer to indi-<br />
vidual homes and businesses. Fiber-to-the-Home/Business (FTTH/B) or close to it<br />
networks are poised to be
Crime+and+Intelligence+Analysis
In the hit CBS crime show Person of Interest, which debuted in 2011,<br />
the two heroes—one a former Central Intelligence Agency agent and<br />
the other a billionaire technology genius—work togeth
3DTV+Content+Capture,Encoding+and+Transmission
3 Dimensions TV (3DTV) became commercially available in the United States<br />
in 2010 and service in other countries was expected to follow soon thereafter.<br />
3DTV is a subset of a larger discip
Fire and fury
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Fire and fury
Fire and Fury。
<div role="note" class="hatnote navigation-not-searchable" style="font-style:italic;padding-left:1.6em;margin-bottom:0.5em;color:#222222;font-family:sans-serif;font-size:14px;white-spac
The Java Series is a trademark of Associates, Inc. Java and all Java-based trademarks and logos ar
The Java Series is a trademark of Associates, Inc. Java and all Java-based trademarks
and logos are trademarks or registered trademarks of Sun Inc. in the United States
and other countries. & Asso
description and code of numberical method from a university in united states
description and code of numberical method from a university in united states
THE UNITED STATES AND HUMAN SPACE EXPLORATION
THE UNITED STATES AND HUMAN SPACE EXPLORATION，John M. Logsdon
Director, Space Policy Institute
Elliott School of International Affairs
The George Washington University
Washington, DC, USA
在北大的讲座资
exsys covid: EXSYS, the EXSYS logo, CORVID, the CORVID logo, Exsys RuleBook, the Exsys RuleBook logo
exsys covid: EXSYS, the EXSYS logo, CORVID, the CORVID logo, Exsys RuleBook, the Exsys RuleBook logos are either registered trademarks or trademarks of EXSYS Inc in the United States and /or other cou
The Java Series is a trademark of & Associates, Inc. Java and all Java-based trademarks and logos
The Java Series is a trademark of & Associates, Inc. Java and all Java-based trademarks
and logos are trademarks or registered trademarks of Sun Inc. in the United States
and other countries. Asso
Copyright Copyright © 2004 O Reilly Media, Inc. Printed in the United States of America.
Copyright
Copyright © 2004 O Reilly Media, Inc.
Printed in the United States of America.
Published by O Reilly MediaInc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
O Reilly &
Designing and implementing a database of geographical information pertaining to the United States,
Designing and implementing a database of geographical information pertaining
to the United States, Canada, and Mexico
同步DMX512 简介和控制器的设计 在灯具调光和控制中
同步DMX512 简介和控制器的设计
在灯具调光和控制中，人们大量采用了DMX512 的控制协议，它是由美国剧
场技术协会（United State Institute for Theatre Technology，Inc）于1986
年8 月提出的一个能在一对线上传送512 路可控硅调光亮度信息的标准.
DMX512 通信方式是采用了异步通信格式,每个调光点由11 位组成,其中一个
是
David Vernon is the Coordinator of the European Network for the Advancement of Artificial Cognitive
David Vernon is the Coordinator of the European Network for the Advancement of Artificial Cognitive Systems and he is a Visiting Professor of Cognitive Systems at the University of Genoa. He is also a
PC板布局技术
<p>
PCB methodologies originated in the United States.Units of measurement are therefore typically in Imperial units, not SI/metric units.</p>
<p>
<img alt="" src="http://dl.eeworm.com/ele/img/31964