Browsing College of Engineering (COE) by Title
Now showing items 4006-4010 of 4010
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You've Got Mail! Calendar, Weather and More: Customizable Phone Access to Personal Information
(Department of Computer Science, Virginia Polytechnic Institute & State University, 2004), TR-04-21We present a design and a prototype of a system that provides access to calendar, email, weather, and news information over a phone using a VoiceXML interface. The system provides quick access to personal information, while ... -
Young's modulus and hysteretic losses of 0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3): single versus polycrystalline forms
(American Institute of Physics, 2003-12-15)Young's modulus (Y) of 0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3) has been investigated for polycrystals and single crystals oriented along <001>, <110>, and <111>. The value of Y-<001> and Y-<110> for single crystals was dramatically ... -
Youth Football Helmet STAR Methodology
(Virginia Tech, 2019-03-19)This document details the protocol used by the Virginia Tech Helmet Ratings to rate youth football helmets based on concussion risk. -
Zero-current transition PWM converters
(United States Patent and Trademark Office, 1996-01-23)A zero-current transition pulse-width modulated (ZCT-PWM) d.c.-d.c. converter allows minority-carrier semiconductor devices such as, for example, bipolar junction transistors (BJTs), insulated gate bipolar transistors ... -
ZrO2 Thin-Film-Based Sapphire Fiber Temperature Sensor
(Optical Society of America, 2012-10-01)A submicrometer-thick zirconium dioxide film was deposited on the tip of a polished C-plane sapphire fiber to fabricate a temperature sensor that can work to an extended temperature range. Zirconium dioxide was selected ...