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Browsing Theses (Electrical Engineering and Computer Science) by Title

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Browsing Theses (Electrical Engineering and Computer Science) by Title

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  • Ultra low capacitance RFIC probe 
    Jacob, Michael E. (2009-06-17)
    In Radio Frequency Integrated Circuits (RFIC) or high frequency digital ICs, there is a demand to probe the internal nodes for testing. The ultra low capacitance RFIC probe presented in his work is a flexible tool for ...
  • An ultra low power frequency reference for timekeeping applications 
    Oporta, Hector Ivan (2009-04-01)
    An ultra low power crystal oscillator that provides a frequency reference for battery powered timekeeping applications is presented. An amplitude control circuit is employed to ensure that minimum current is consumed. A ...
  • Ultra low voltage DRAM current sense amplifier with body bias techniques 
    Gang, Yung-jin, 1957- (1998-11-23)
    The major limiting factor of DRAM access time is the low transconductance of the MOSFET's which have only limited current drive capability. The bipolar junction transistor(BJT) has a collector current amplification fac ...
  • An ultra low voltage micropower GPS receiver RF front-end for wildlife tracking 
    Heiberg, Adam C. (2009-01-05)
    A fully integrated CMOS GPS receiver RF front end optimized for low power operation is presented. The system operates with a supply voltage down to 250 mV. A prototype has been fabricated in a 0.13μm CMOS process and in ...
  • Ultra-low energy digital controller for battery-free wireless sensor network nodes 
    Nasroullahi, Mohsen (2011-07-01)
    This thesis presents a low-energy application specific digital controller for a battery-free 2.4 GHz wireless sensor network (WSN) node. The digital controller has been designed and fabricated in a standard 0.13 μm CMOS ...
  • Ultra-low energy digital logic controller design for wireless sensor networks 
    Meliza, Stephen W. (2009-04-23)
    Low energy design techniques for digital circuits are examined to determine their suitability for use in a digital logic controller for wireless sensor network nodes. Transistor level simulations are used to evaluate the ...
  • Ultra-low power receivers for wireless sensor networks 
    Ayers, James S. (2010-05-05)
    In wireless sensor network applications, low-power operation of the wireless receiver is critical. To address this need an ultra-low power Binary Frequency Shift Keying (BFSK) receiver using the super-regenerative archit ...
  • Ultra-low-energy transmitters for battery-free wireless sensor networks 
    Panitantum, Napong (2011-06-29)
    As the number of autonomous data collection applications keep increasing, the demand for wireless sensor networks (WSNs) has seen explosive growth. In this dissertation, an ultra-low-energy WSN transmitter is developed t ...
  • Ultra-wideband indoor localization systems 
    Ye, Ruiqing (2012-06-13)
    Indoor localization systems have a variety of applications such as tracking of assets, indoor robot navigation, and monitoring of people (e.g. patients) in hospitals or at home. Global positioning system (GPS) offers l ...
  • Ultra-Wideband receiver implementation using analog correlators 
    Harbert, Kyle (2004-11-23)
    This paper proposes a novel means of using analog correlators to improve upon existing Ultra-Wideband receiver architectures. Current architectures aim for an all-digital design for the sake of ease of implementation a ...
  • Understanding and improving error-correcting output coding 
    Kong, Eun Bae (1995-02-20)
    Error-correcting output coding (ECOC) is a method for converting a k-class supervised learning problem into a large number L of two-class supervised learning problems and then combining the results of these L evaluatio ...
  • Understanding and supporting end-user debugging strategies 
    Grigoreanu, Valentina I. (2010-01-07)
    End users' programs are fraught with errors, costing companies millions of dollars. One reason may be that researchers and tool designers have not yet focused on end-user debugging strategies. To investigate this possibi ...
  • Understanding the ultra-wideband channel within a computer chassis 
    Redfield, Stephen J. (2010-07-08)
    Recent developments in computing technology have generated a demand for more streamlined and effective test systems. By replacing traditional in-chassis wired interconnects with a broadcast wireless system, fault detecti ...
  • A universal CMOS current-mode operational amplifier 
    Botelho, Cindy (1990-12-19)
    It has become customary in electrical engineering to think of signal processing in terms of voltage variables to the exclusion of current variables. This tendency has resulted in voltage signal processing circuits suc ...
  • Urban military operation mobility model 
    Kang, Ho Sung (2009-06-03)
    A Mobile Ad-hoc NETwork (MANET) is collection of wireless mobile nodes without a network infrastructure or centralized administration. Although MANETs can be used in many applications, such as mobile Internet, military ...
  • Use of a model predictive control framework for optimal control of grid scale electrical energy storage in conjunction with a wind farm 
    Antonishen, Michael P. (2012-06-08)
    Over the last decade, wind penetration in the Pacific Northwest has increased rapidly. The variable nature of this massive new resource has increased stress on the hydropower resource to the point where system limits ar ...
  • Use of multiple loop model for brushless doubly fed machine rotor design 
    Kemp, Alson R. (1996-06-13)
    The Brushless Doubly Fed Machine (BDFM) is receiving attention as a candidate for use in adjustable speed drives (ASDs) and variable speed generators (VSGs). With a large percentage of a drive or generator system's cos ...
  • Use of Sigma-Delta modulation to control EMI from switchmode power supplies 
    Paramesh, Jeyanandh K. (1998-07-07)
    Conducted Electromagnetic Interference (EMI) is a major cause of concern in switchmode power supplies (SMPS) which commonly use standard pulsewidth modulation (PWM). In this thesis, Sigma-Delta (ΣΔ) modulation is propose ...
  • Using provenance to aid document re-finding 
    Lonsdale, Heather (2009-06-08)
    In the field of Human-Computer Interaction, provenance refers to the complete history and genealogy of a document. Provenance can be useful in identifying related resources, such as different versions of the same docume ...
  • Using signaling to aid computer program comprehension 
    Gellenbeck, Edward M. (1991-05-10)
    Guidelines for using style to improve computer program comprehension have often been proposed without empirical testing. This thesis reports on the results of three controlled experiments that investigated ways program ...

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