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Southeastcon '97. Engineering new New Century., Proceedings. IEEE

12-14 April 1997

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Displaying Results 1 - 25 of 106
  • Proceedings IEEE SOUTHEASTCON '97. 'Engineering the New Century'

    Publication Year: 1997
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  • EMC systems engineering

    Publication Year: 1997, Page(s): 341
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (58 KB)

    Summary form only given, as follows. EMC problems have plagued the communications/electronics industry since the late 1800's. This is significant because these early problems preceeded the invention of the triode vacuum tube. When the amplificaiton of low level signals became possible the EMC problem became much worse because circuits could now respond to lower level interfering signals. Fortunate... View full abstract»

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  • Desktop videoconferencing: technology and applications

    Publication Year: 1997, Page(s): 342
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (77 KB)

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  • ATM networking and switching: principles, architectures and switching

    Publication Year: 1997, Page(s): 346
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  • Absolute sapphire optical fiber sensor for high temperature applications

    Publication Year: 1997, Page(s): 351
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  • Motor drives and control

    Publication Year: 1997, Page(s): 354
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (39 KB)

    Summary form only given, as follows. The presentation will go over motor drive fundamentals including dc motor control and ac induction motor control. In general, the motor drive includes two control loops: (1) speed and (2) current. The speed loop normally deals with field and torque commands, and the current loop is to control the instantaneous armature current. Such a general motor drive contro... View full abstract»

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  • Index of authors

    Publication Year: 1997, Page(s):360 - 361
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  • Effects of array element patterns on optimum beamforming in the presence of multiple interferers

    Publication Year: 1997, Page(s):169 - 173
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB)

    Adaptive arrays are being considered for use in commercial mobile communication systems. Base stations in these systems experience interference from multiple mobiles using the same frequency in different locations. This paper extends Ishide and Compton's (1980) formulation for performance of an optimum beamformer with general element patterns to the multiple-interferer case. A modeling approach is... View full abstract»

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  • Finite element computation of the characteristic impedance of transmission lines

    Publication Year: 1997, Page(s):166 - 168
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    This paper presents a simple procedure for using the finite element method to compute the characteristic impedance of shielded transmission lines. The knowledge of this basic parameter of the lines is vital in the design of microwave circuits. Numerical examples are used to verify the procedure. The results obtained compare well with those obtained using the finite difference method View full abstract»

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  • Hybrid model of electromagnetic scattering from an inhomogeneous dielectric cylinder of arbitrary cross-section

    Publication Year: 1997, Page(s):162 - 165
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    A new approach for the scattering analysis of inhomogeneous dielectric cylinder of arbitrary cross-section based on the finite element method (FEM) and boundary element method (BEM) is presented. The field outside of an inhomogeneous dielectric cylinder is represented in terms of a boundary integral equation. The solution of Helmholtz wave equation inside the inhomogenous dielectric cylinder is pr... View full abstract»

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  • Enforcement mechanisms for priority traffic in ATM networks

    Publication Year: 1997, Page(s):126 - 130
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    Traditional traffic policing mechanisms such as “leaky bucket”, “window” and “delta policing” can only police traffic with a single class of cells. But it is possible that there are different priority-classes of cells in one connection (VC/VP) in ATM networks. Six mechanisms for policing traffic with different priorities of cells are presented. All of them are v... View full abstract»

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  • Performance based reliability optimization for computer networks

    Publication Year: 1997, Page(s):121 - 125
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    This paper addresses the important problem of allocating capacities to the links of a computer network such that the performance based reliability is maximized and a cost constraint is satisfied. The performance and reliability of a computer network depends both on the reliabilities and capacities of the communication links and the computing elements. Performance based reliability oriented capacit... View full abstract»

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  • Subvector techniques for DFT parallel processing

    Publication Year: 1997, Page(s):323 - 327
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Runge's “method of folding” provided a turn-of-the-century algorithm for hand computation of the Fourier transform. As such, it was an original “DFT” using discrete sampled data in subvector formats, to recover harmonics from diesel vibrations, from salient-pole alternator waveforms, etc.. We present preliminary findings for our subvector part-time research; these have prom... View full abstract»

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  • A real-time experimental-analysis system for the undergraduate electric energy laboratory

    Publication Year: 1997, Page(s):207 - 209
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    This paper presents a system for visually analyzing the electromagnetic fields of electrical machines used in an undergraduate energy conversion laboratory. The system utilizes the finite element method as well as various modules to achieve a real-time effect of the electrical machines. The presented system is aimed at developing a tool that would help improve the student's understanding of electr... View full abstract»

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  • A comparison of air breakdown criteria for slightly divergent fields

    Publication Year: 1997, Page(s):118 - 120
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    The commonly used air breakdown criteria for slightly divergent fields are compared. The various criteria can be classified into two distinct groups with regard to the basic breakdown mechanism employed. The Townsend (1915) breakdown mechanism is described by a succession of developing electron avalanches between the electrodes. The streamer mechanism of breakdown is based on a single electron ava... View full abstract»

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  • Interfacing VHDL performance models to algorithm partitioning tools

    Publication Year: 1997, Page(s):36 - 41
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    Performance modeling is widely used to efficiently and rapidly assess the ability of multiprocessor architectures to effectively execute a given algorithm. In a typical design environment, VHDL performance models of hardware components are interconnected to form structural models of the large multiprocessor architectures. Algorithm features are described in application specific tools. Other automa... View full abstract»

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  • Development of fiber optic data link model

    Publication Year: 1997, Page(s):20 - 22
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    In modern times, where the speed of transmission is of utmost importance, often need arises for a reliable transmission medium. With innovations in LAN (local area networks) such as FDDI (fiber distributed data interface), fiber optic data links and associated interface schemes are gaining more and more acceptance and actually are becoming real necessities. In this article, the author describes a ... View full abstract»

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  • Parallel architecture selection for image tracking applications

    Publication Year: 1997, Page(s):320 - 322
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    Some application-specific algorithms exhibit very high processing demand due to the real-time requirement. Architectural structure adaptations are necessary to meet the computational requirement of such algorithms. An optimized architecture should consider all the performance criteria and their degree of importance. Among these, the degree of parallelism, memory and communication bandwidth, and I/... View full abstract»

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  • Distance learning and use of the Internet and the World Wide Web in education

    Publication Year: 1997, Page(s):202 - 206
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    The objective of this paper is to address educational opportunities through distance learning and how to use the Internet and the World Wide Web (WWW) to provide effective education to students at remote locations. A comparison between the traditional classroom verses distance learning is presented. Due to the unprecedented technological advancements in recent years, the role of computer technolog... View full abstract»

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  • A comparative study on the reconstruction of localized pulses

    Publication Year: 1997, Page(s):113 - 117
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    We demonstrate how to reconstruct localized pulses using finite sources consisting of discrete circular array elements. We compare three basic reconstruction schemes; namely, Huygen's principle and the Rayleigh-Sommerfeld integrals I and II. These techniques are applied to two examples, the modified power spectrum pulse and X-waves View full abstract»

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  • Electrical safety in medical institutions “neutral electric potentiality system in hospitals”

    Publication Year: 1997, Page(s):304 - 306
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (176 KB)

    This paper discusses the practical application of electrical protection and safety at medical institutions. Systems of neutralization and grounding are used with medical diagnostic and cure devices, which use very complicated electronics. These devices are especially sensitive to minimal transient potential differences which may have corresponding electromagnetic influence. On the other hand it is... View full abstract»

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  • Methodology for VHDL performance model construction and validation

    Publication Year: 1997, Page(s):29 - 35
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (612 KB)

    Hardware description languages (HDLs) are frequently used to construct performance models to represent systems early in the design process. The HDLs are commonly known to be time-consuming and labor-intensive tools. For example, VHDL uses a large number of possible modeling approaches that can lead to designs which are unstructured and difficult to understand. This paper discusses a methodology to... View full abstract»

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  • Design of a programmable 2-18 GHz microwave fiber-optic delay line

    Publication Year: 1997, Page(s):11 - 19
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (616 KB)

    Describes the design of a programmable 2-18 GHz microwave delay line based on fiber-optic technology. The delay line achieves any delay from 0 to 658.54 μsecs programmable in 20 nsec steps. A combination of a switched-RF configuration and a switched-fiber configuration has resulted in delay performance not previously possible, The reported delay line is presently being constructed under a Phase... View full abstract»

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  • A custom computing solution to automated visual inspection of silicon wafers

    Publication Year: 1997, Page(s):315 - 319
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB)

    This paper illustrates, through a specific example, the utility and effectiveness of using the reconfigurable capabilities of an FPGA-based custom computing platform as part of an industrial inspection system. The inspection task examined is typical of many industrial inspection tasks which require the identification of several different types of failures of products on a manufacturing assembly li... View full abstract»

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  • Evolutionary algorithms for design

    Publication Year: 1997, Page(s):191 - 195
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    Genetic algorithms are effective optimization tools which work well using bit string encoding, but suffer from intensive computations and limited accuracy. To avoid the added problems of converting between real numbers and bit strings, the authors propose a new evolutionary algorithm which can work in real number space while preserving the structure of genetic algorithms as much as possible. This ... View full abstract»

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