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Browse Dissertations and Theses - Electrical and Computer Engineering by Title
Now showing items 2367-2386 of 3734
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(2012-05-22)The purpose of any medical imaging device is to acquire timely diagnostic information in a manner that poses the lowest cost and risk to patients and society. Ideally, medical imaging systems are designed by maximizing ...
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(1993)We present over 350 hr of Na lidar measurements of mesospheric ($\sim$80-105 km) density perturbations obtained on 50 nights throughout all four seasons at Urbana, Illinois, during the years 1988-1993. For perturbations ...
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(2012-02-06)Modulation of the plasma sheath in a plasma bipolar junction transistor (PBJT) is observed for base inputs of less than one volt. Using the recorded data, along with a collisional, high-voltage sheath model developed herein, ...
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(2015-01-21)This work will present an advancement of the physical understanding of medium-scale traveling ionospheric disturbances (MSTIDs). This will be accomplished primarily through an observational study and with the aid of ...
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(2017-06-14)Since the ionosphere was discovered in the 1920s, numerous and diverse experiments have been conducted to classify this region of the upper atmosphere. Radar, satellites, rockets, ionosondes, global positioning system ...
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(2012-06-27)The introduction of power electronics has brought great benefits in terms of size, weight, performance, and feasibility to various electrical systems. However, with increasing penetration of power electronics circuits in ...
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(2012-05-22)Power electronics today are limited in their operational lifetimes, which can have negative consequences for critical systems which depend on power electronic to stay functional. To help mitigate the effects of system ...
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(2012-02-06)Abstract Observer-based methods can be used for fault detection and isolation for switched linear systems. A state observer is constructed based on the physical system. Changes in the observer error are monitored to detect ...
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(2012-05-22)S-parameter measurements of microstrips and striplines were done. The physical properties of the devices under test, consisting of nine single coplanar traces and nine pairs of coupled coplanar traces, are provided. The ...
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(2009-06-01)This thesis presents an implementation of an office delivery robot. First, it provides motivation for this type of project and discusses the abilities a successful delivery robot must possess. Next, the robot used for ...
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(2004)In this work, the development and characterization of electrical and materials performance of ohmic contacts are presented. Surface treatment techniques were developed to improve the electrical characteristics of ohmic ...
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(2006)Caire, Taricco, and Biglieri presented a detailed analysis of bit-interleaved coded modulation (BICM), a simple and popular technique used to improve system performance, especially in the context of fading channels. They ...
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(1999)The (24, 12, 8) binary Golay code is proved to be a subfield subcode of a code constructed on the Klein quartic over GF(2 3).
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Now showing items 2367-2386 of 3734