Southeastcon '96. Bringing Together Education, Science and Technology., Proceedings of the IEEE

11-14 April 1996

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Displaying Results 1 - 25 of 147
  • A domain model of WWW browsers

    Publication Year: 1996, Page(s):436 - 439
    Cited by:  Papers (1)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (363 KB)

    Domain analysis is the process of identifying and organizing knowledge about some class of problems to support the description and solution of those problems, WWW (World Wide Web) browsers was chosen as the domain to illustrate two different levels of domain analysis. In this work we illustrate a problem oriented domain analysis on the navigational features of WWW browsers and a solution oriented ... View full abstract»

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  • Fuzzy logic control: a tutorial view

    Publication Year: 1996, Page(s):458 - 461
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (275 KB)

    This paper presents a tutorial view of the fuzzy controller. A software implementation of the controller is developed. Membership functions are represented using triangular shapes. The code for the controller is used in conjunction with an example problem of a first order lag plus deadtime system with both a standard PI and PD controller implemented as a fuzzy controller. The Advanced Control Simu... View full abstract»

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  • Author index

    Publication Year: 1996
    Request permission for commercial reuse | PDF file iconPDF (166 KB)
    Freely Available from IEEE
  • Spectral shaping for the hearing impaired

    Publication Year: 1996, Page(s):103 - 106
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (244 KB)

    A method is presented for shaping the audio spectrum to improve intelligibility for the hearing impaired. Actual audiological data is used to design a finite impulse response digital filter using the frequency sampling method. Cubic spline interpolation is used to generate any number of frequency samples from the limited number available from the audiological data View full abstract»

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  • Ka-band site diversity research in a subtropical region utilizing the ACTS satellite

    Publication Year: 1996, Page(s):273 - 276
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    In September 1993, NASA launched the Advanced Communication Technology Satellite (ACTS) to assist the United States in being it leader in global telecommunications. The University of South Florida (USF) was brought into this project with the task of illustrating the effect of weather events on signal propagation. With the cooperation of E-Systems, another experiment has begun, involving signal imp... View full abstract»

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  • Termination detection using causality and vector time

    Publication Year: 1996, Page(s):657 - 660
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (320 KB)

    A problem unique to distributed systems is the need to determine that a computation is terminated. We use vector clocks as a basis for a termination detection protocol in which each process is only contacted once following termination. In addition we also present a definition of termination that does not depend on global state. This definition is based on the causal relationships between events an... View full abstract»

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  • Adaptive antenna arrays for mobile satellite communications

    Publication Year: 1996, Page(s):324 - 327
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (188 KB)

    The problem of increasing the number of users in FDMA mobile satellite communication systems is addressed. An antenna array is used to estimate the AOA of the desired and cochannel mobile users then the same array is used to allocate the maximum of the pattern to desired users while cochannel interference is nulled. This paper describes the use of the MUSIC algorithm for DOA estimation. Pattern nu... View full abstract»

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  • Classification of spatio-temporal EEG readiness potentials towards the development of a brain-computer interface

    Publication Year: 1996, Page(s):99 - 102
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    The existence of characteristic changes in the EEG of a subject preparing for the execution of a voluntary movement is reviewed. Some of those changes, i.e., the “readiness potentials” (RPs), are suggested as a possible link between the internal processes associated with different forms of motion preparation and a digital signal processing system designed to classify the different inte... View full abstract»

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  • Spaceborne radar altimetry

    Publication Year: 1996, Page(s):269 - 272
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (468 KB)

    A next generation compact, Ku-band, pulse compression radar altimeter (RA) measures sea surface topography to a few centimeters accuracy and provides scientific data for assessing ocean circulation, mean sea-level change and other ocean features. The integrated RA is comprised of a basic altimeter, a water vapor radiometer (WVR) for correcting RA range path delay errors, and a shared antenna syste... View full abstract»

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  • Design of a tokenless architecture for parallel computations using associative dataflow processor

    Publication Year: 1996, Page(s):649 - 656
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (648 KB)

    The currently existing models of computation, control-flow and data-flow, have their limitations and weaknesses in utilizing parallelism adequately. A new refined model of computation, called associative dataflow, has been previously proposed in the literature which attempts to circumvent the bottlenecks inherent in conventional dataflow using associative memories. In this new model of computation... View full abstract»

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  • On using the Software Cleanroom Process in automated test equipment applications

    Publication Year: 1996, Page(s):703 - 706
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB)

    The CISP Group is currently developing LabVIEW software for a large ATE project sponsored by a national consumer electronics company. When completed, the code will be tens of megabytes in size with hundreds of VIs. On projects of this size, software engineering and configuration management tools are a necessity. Elements of the Software Cleanroom Process design philosophy were successfully adapted... View full abstract»

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  • Stability analysis of impulsive stochastic differential systems in terms of two measures

    Publication Year: 1996, Page(s):132 - 135
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB)

    Stability, involving two measures, of a class of impulsive stochastic systems is investigated. Sufficient conditions for stability are obtained using Lyapunov-like functions and differential inequalities View full abstract»

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  • Jammer cancellation with adaptive arrays for GPS signals

    Publication Year: 1996, Page(s):320 - 323
    Cited by:  Papers (3)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB)

    We describe a scheme for adaptively generating array receiver-antenna weights so as to reduce jamming interference of the GPS signal to a level where the spread spectrum mechanism can extract the signal. The procedure is based on an analytic implementation of the LMS algorithm, with gradients evaluated simply by determination of the power in certain mathematical combinations of the array outputs. ... View full abstract»

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  • A strategy to support MCS over native ATM service

    Publication Year: 1996, Page(s):582 - 585
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (308 KB)

    This paper presents the simplified multipoint communication service (MCS) protocol on the adaptation layer with multicast functionality over ATM. This protocol structure makes the adaptation layer take over the domain management function of the MCS protocol as the adaptation layer can do this function without difficulty. Doing this can simplify the MCS protocol as well as apply it efficiently in m... View full abstract»

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  • A contribution of number theory and data compression to mathematical modeling

    Publication Year: 1996, Page(s):289 - 292
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (312 KB)

    A new number-theoretic approach describing the transformation of a set of data into a finite binary string is given. By applying a lossless data compression method to this string and viewing it as a restricted partition, the data can be plotted as a point on a number line, a plane, or in a 3- or 4-dimensional space for the purpose of storage and retrieval, analysis, and decision-making View full abstract»

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  • DSP removal of respiratory trend in photoplethysmographic blood volume pulse measurements

    Publication Year: 1996, Page(s):96 - 98, 98a
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (244 KB)

    Three different digital signal processing algorithms for removing the respiratory trend from photoplethysmographic blood volume pulse (BVP) signals are investigated. The goal of this processing is to avoid the distortion introduced by the low-frequency trend contaminating the BVP signals recorded for the purpose of exercise evaluation. The three approaches are compared in terms of the improvement ... View full abstract»

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  • ATM access-shaping and bandwidth-tuning of DQDB egress traffic

    Publication Year: 1996, Page(s):393 - 400
    Cited by:  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    This paper is concerned with the asynchronous transfer mode (ATM) network resources required by distributed queue dual bus (DQDB) traffic. The set up used for performing measurements under different traffic load scenarios involves a DQDB network and a set of ATM traffic control and enforcement modules such as a virtual shaper (VS) and a usage parameter control (UPC) device. To reassure the measure... View full abstract»

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  • SeaWinds-a new spaceborne radar for measuring ocean wind vectors

    Publication Year: 1996, Page(s):265 - 268
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    SeaWinds is a new spaceborne Ku-band scatterometer that will provide accurate, continuous measurements of global ocean wind vectors. The instrument will fly on the Japanese Advanced Earth Observing Satellite (ADEOS-II). SeaWinds is a pulsed 110 watt, 13.402 GHz radar with a conical scanned antenna providing an ocean swath of 1800 km. Seawinds has many advantages over preceding spaceborne scatterom... View full abstract»

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  • Graph modeling of parallelism in superscalar architecture-a case study of HP PA-RISC microprocessor

    Publication Year: 1996, Page(s):641 - 648
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (676 KB)

    Extracting instruction level parallelism is a key issue in superscalar architecture. We propose a graph theoretic model to identify parallelism in a sequence of instructions. The system graph model (SGM), presented, is a fundamental source of information regarding the resource dependencies, intra-instruction and inter-instruction parallelism, and the cost-performance of the architecture. Additiona... View full abstract»

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  • Weighted information flow

    Publication Year: 1996, Page(s):699 - 702
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB)

    Information flow is a software metric designed to quantify the complexity of programs. A modification of information flow, weighted information flow assigns different values to the several types of program flows. Weighted information flow reduces the determination of information flows to a simple classification and, subsequently, of program complexity to simple counting View full abstract»

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  • Stochastic control problems with unbounded control set

    Publication Year: 1996, Page(s):128 - 131
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    Stochastic differential equations with adapted control are obtained as natural limits of birth and death processes, and an important class of such SDEs in which the control set is unbounded is studied. A change of time technique allows us to transform such control problems to ones with a bounded control set. The transformed problem has the same value function as the originally posed problem. A nic... View full abstract»

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  • An algebraic solution to the time difference of arrival equations

    Publication Year: 1996, Page(s):313 - 319
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB)

    A closed form, algebraic solution to the time difference of arrival equations is presented. Prior derivations assumed that the receiving antennas are coplanar. Our derivation allows the receiving antennas to be located anywhere in three dimensional space. Previous techniques address the over-determined problem by considering a weighted average of the set of minimally determined solutions. Our tech... View full abstract»

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  • TMN communication protocols and performance evaluation

    Publication Year: 1996, Page(s):578 - 581
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    The global deployment of the synchronous optical network (SONET) increases the quality of service (QoS) of telecommunication network significantly. At the same time, management of the fast growing telecommunication management networks has become an important issue. Within the context of TMN, management refers to a set of capabilities to allow for the exchange and processing of management informati... View full abstract»

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  • A systematic (16, 8) code for correcting double errors, and detecting random triple errors

    Publication Year: 1996, Page(s):284 - 288
    Cited by:  Papers (4)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    We examine several systematic (16,8) codes capable of double error correction (DEC) and triple adjacent error detection. In particular, we examine a linear version of the Nordstrom-Robinson (NR) code in the light of new findings by Hammons (see IEEE Trans. Inform. Theory, vol.40, p.301, 1994) and others, and compare it with the (16, 8) code by Gulliver and Bhargava (see EEE Trans. Comp, vol.42, no... View full abstract»

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  • A new Monte Carlo method for Neumann problems

    Publication Year: 1996, Page(s):92 - 95
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    The Monte Carlo methods (MCMs) have been applied with great success to the solution of the elliptic differential equation, but none of them in their present form can be used when a mixed boundary condition is involved. To overcome this limitation existing in classical MCMs, a new fixed random walk method, known as the triangular mesh random walk method, is presented for the elliptical problem with... View full abstract»

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