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Proceedings. IEEE SoutheastCon, 2005.

Date 8-10 April 2005

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  • Proceedings of the IEEE SoutheastCon 2005 (IEEE Cat. No.05CH37624)

    Publication Year: 2005
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  • Proceedings of the IEEE Southeastcon 2005

    Publication Year: 2005, Page(s): i
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  • Copyright page

    Publication Year: 2005, Page(s): ii
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  • Table of contents

    Publication Year: 2005, Page(s):iii - xii
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  • Planning Committee members

    Publication Year: 2005, Page(s): xiii
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  • Track chairs

    Publication Year: 2005, Page(s): xiv
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  • Referees

    Publication Year: 2005, Page(s): xv
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  • General chair

    Publication Year: 2005, Page(s): xvi
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  • Message from the SoutheastCon 2005 technical/proceeding program chair

    Publication Year: 2005, Page(s): xvii
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  • [Breaker page]

    Publication Year: 2005, Page(s):1 - 4
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  • Fuzzy adaptation of the PI controller parameters applied for induction motor

    Publication Year: 2005, Page(s):5 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1810 KB) | HTML iconHTML

    Several works have studied the use of fuzzy logic, confirming that classical controllers, compared to fuzzy controllers, have the advantages of very short time of execution and mathematical precision. However, classical controllers have a certain limitation when rather significant variations of disturbance factors act on the system to be controlled. The classical controller does not always react i... View full abstract»

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  • A generic AHB bus for implementing high-speed locally synchronous islands

    Publication Year: 2005, Page(s):11 - 16
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1842 KB) | HTML iconHTML

    Platform-based design requires flexibility and compatibility between components in order to design derivative applications without changing hardware or software. Several solutions are available, but they lack either the necessary throughput or flexibility. The paper proposes a generic multi-frequency interconnection infrastructure module that facilitates development of flexible on-chip high-perfor... View full abstract»

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  • Electrical characterization of GaN based blue light emitting diodes

    Publication Year: 2005, Page(s):17 - 22
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1869 KB) | HTML iconHTML

    Blue light emitting diodes (LEDs), based on an AlGaN/GaN/AlGaN double heterojunction structure, have been electrically characterized. These diodes are highly non-ideal with several approximately linear regimes in the semi-logarithmic plots of the forward characteristics. Calculated values of the ideality factor range from 3.0-7.0, indicating that the recombination process in these diodes cannot be... View full abstract»

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  • LabVIEW-based position control system with synchro [radio telescope control application]

    Publication Year: 2005, Page(s):23 - 28
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1806 KB) | HTML iconHTML

    A closed-loop DC motor position control system is investigated that allows a radio telescope to be accessed and controlled via the Internet. The project involves the use of LabVIEW to provide a low-cost solution. In addition, it employs a data acquisition board (DAQ) and data acquisition accessory board which is a multifunction I/O device having two 8 bit digital I/O lines, 16×12 bit single ... View full abstract»

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  • VLSI implementations of switched-capacitor filter

    Publication Year: 2005, Page(s):29 - 33
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1779 KB) | HTML iconHTML

    This paper presents efficient designs and implementations of switched-capacitor (SC) filters. We design two switched-capacitor filters, with a 6 MHz bandwidth and an input sampling frequency of 13.5 MHz, using 0.35 μm CMOS technology (Vtn=0.56 V, Vtp=-0.77 V, Vdd=1.65 V, V=-1.65 V). We considered several approaches to design SC filters, and implemented two circu... View full abstract»

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  • A fast algorithm for frequency estimation of power systems in colored noises

    Publication Year: 2005, Page(s):34 - 38
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1775 KB) | HTML iconHTML

    A technique for tracking the frequency of power systems in sine noises using numerical differentiation is presented in this paper. A voltage or current sinusoidal signal corrupted by a sine noise with the frequency varying from 0 to 300 Hz, the amplitude varying from 0 to 300 V, and the phase angle varying from 0 to 360 degree is taken into consideration. Using central numerical differentiation wi... View full abstract»

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  • Understanding the PRBS signal as an optimum input signal in the wavelet-correlation method of system identification using multiresolution analysis

    Publication Year: 2005, Page(s):39 - 44
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1776 KB) | HTML iconHTML

    This paper will focus on the relationship between the pseudo-random binary sequence (PRBS) signal and the dyadic lattice. A method for estimating the PRBS function by a series of Haar wavelets is derived and explained. Relating the PRBS signal to the Haar wavelet is advantageous because the Haar wavelet forms an orthonormal wavelet basis. Multiresolution analysis is used to write the PRBS signal a... View full abstract»

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  • A comparative study of the effects of CH4/H2 versus CO/H2 gas mixture on the quality of CVD diamond films deposited on silicon substrates

    Publication Year: 2005, Page(s):45 - 48
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2157 KB) | HTML iconHTML

    This paper investigates the quantifiable effects of the gas flow mixture on the structural quality of CVD diamond films. The experimental study includes two types of gas flow mixtures: (a) CH4/H2 and (b) CO/H2. All films are grown in 5" quartz dome, 3" substrate reactor. The reactor output variables, which include film morphology expressed by the growth parameter &... View full abstract»

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  • Energy-aware dual-rail bit-wise completion pipelined multipliers design

    Publication Year: 2005, Page(s):49 - 54
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1825 KB) | HTML iconHTML

    Energy-awareness indicates the scalability of the system energy with changing conditions and quality requirements. Because of the encoding format and operation sequence, dual-rail encoding circuits are not naturally energy aware to the changing of input precision. A novel technique, zero insertion, to design energy-aware arithmetic circuits in dual-rail encoding logic is developed. By using s to r... View full abstract»

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  • Coupled physical modeling of power cables supplying non-linear loads using finite element method

    Publication Year: 2005, Page(s):55 - 59
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1850 KB) | HTML iconHTML

    This paper presents a physical model of power cables connected to nonlinear loads in naval shipboard power systems. Two models were developed, finite element (FE) and abc phase variable model. The terminal behavior of the cable was investigated by coupling the finite element cable's model and external eclectic circuit simulations. The approach uses time domain techniques and the finite element met... View full abstract»

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  • Harmonic analysis of induction motor flux density waveform using wavelets in speed control application

    Publication Year: 2005, Page(s):60 - 64
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1906 KB) | HTML iconHTML

    The lack of a numerical model in the literature for harmonic analysis of the air gap flux density waveform in an induction motor speed control application, by changing pole numbers, inspires this study. One of the methods for speed control of an induction motor is to change the number of poles of the stator winding. The change in the pole numbers introduces additional harmonics in the air gap flux... View full abstract»

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  • Design and implementation of hybrid digital analog transmission system using interleaved pipelined ADC

    Publication Year: 2005, Page(s):65 - 70
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2023 KB) | HTML iconHTML

    This paper is concerned with design and IC implementation of a time interleaved pipelined ADC augmented to provide analog error outputs. The ADC outputs are used in digital-analog hybrid coding which uses residual error voltage transmission along with digital codes in a pipelined system of special design. The fully differential design in standard 0.18 μm CMOS technology employs a 12 bit, 60 MS/... View full abstract»

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  • A new 0.25um CMOS on-chip active balun with gain controllability for 5GHz DCR [direct conversion receiver]

    Publication Year: 2005, Page(s):71 - 74
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1872 KB) | HTML iconHTML

    An on-chip active balun with good gain and phase mismatch performance of within 0.5 dB and 1 degree, respectively, is presented in this paper. Applicable for direct conversion receiver circuits, the presented balun features reconfigurability in the form of controllable gain, designed to operate in the 5-6 GHz range with a bandwidth of 400 MHz. With good linearity, input/output matching and gain an... View full abstract»

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  • 100 Mbs OOK transmitter with low power and low phase noise LC VCO for neurosensory application

    Publication Year: 2005, Page(s):75 - 78
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2014 KB) | HTML iconHTML

    A 5.7 GHz fully integrated complementary LC voltage controlled oscillator (CLC VCO) has been designed in an inexpensive 0.25-μm digital CMOS process targeting low power short reach 100 Mbs on-off keying wireless transmitter (OOK) for neurosensory application. Consuming only 2 mA of current from a 2.5 V power supply, the CLC VCO achieves a measured single-sideband phase noise of -92.75 dBc/Hz an... View full abstract»

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  • Adaptive IIR constrained LMS algorithm for multiple narrowband interference rejection

    Publication Year: 2005, Page(s):79 - 83
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1791 KB) | HTML iconHTML

    One of the common problems in digital signal processing is the filtering of signals in the presence of a narrow-band interference. Adaptive IIR digital multiple hand-rejection filters use pole-zero placement on the unit circle method, which is designed by a unique second-order filter structure. With unconstrained LMS algorithm, zeroes may converge to their optimum positions in certain cases, where... View full abstract»

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