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Canadian Journal of Electrical and Computer Engineering

Issue 4 • N/A 1989

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Displaying Results 1 - 11 of 11
  • Canadian Journal of Electrical and Computer Engineering - Front cover

    Publication Year: 1989, Page(s): c1
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  • Inside front cover

    Publication Year: 1989, Page(s): c2
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  • Table of contents

    Publication Year: 1989, Page(s): 1
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  • Scattering by two concentric spheres using the impedance boundary conditions on the inner surface

    Publication Year: 1989, Page(s):122 - 126
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1694 KB)

    The concept of impedance boundary conditions has proven to be a useful tool for obtaining solutions to certain electromagnetic scattering or propagation problems. It is normally defined on the surface of an imperfectly conducting or coated object located in free space. The authors examine the validity of the concept when the impedance surface is inside a lossy medium. The model chosen for this stu... View full abstract»

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  • An optical fibre-based Local Backbone Network

    Publication Year: 1989, Page(s):127 - 134
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2792 KB)

    The authors describe an optical fibre system for local distribution which has a star topology and is designed to carry both interactive and bulk data, voice and video teleconferencing. Up to eight arms, each consisting of full-duplex optical links operating at a rate of 40 Mbps, radiate from a central switch. User traffic enters the system through user access nodes at the ends of the arms. The gui... View full abstract»

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  • Impedance of tubular stock at high frequencies

    Publication Year: 1989, Page(s):135 - 137
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (490 KB)

    The well-known equations for the axial internal impedance of tubular stock at high frequencies are examined and approximate solutions valid for all frequencies, diameters and wall thicknesses are formulated. View full abstract»

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  • Local communication networks for industrial automation

    Publication Year: 1989, Page(s):138 - 146
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2929 KB)

    The author presents a study of the physical and data link layers of the dynamic token-passing bus protocol. This protocol is a variant of the IEEE 802.4 token-passing bus protocol and can therefore be applied to communication systems which support industrial automation. Simulation results have been used for operational validation and extensive evaluation of the communication network's performance.... View full abstract»

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  • An interactive power system simulator with enhanced features

    Publication Year: 1989, Page(s):147 - 151
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1573 KB)

    The author presents an advanced simulator with the following features: the transmission line on which switching operations are performed can be untransposed, while the rest of the system is still represented as symmetrical; and the effect of induction motor dynamics can be represented by the time domain simulation of varying speed, slip and machine impedance. The simulator is designed to permit in... View full abstract»

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  • Optimal scheduling of multichain hydro systems power

    Publication Year: 1989, Page(s):152 - 156
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2451 KB)

    The minimum norm formulation within the framework of functional analysis optimization technique is used to maximize the total hydro energy of multichain reservoirs (general configuration) during the dry period of the year. The optimal control problem is formulated as a mathematical problem by constructing a cost function in which the total energy generated by all hydro plants during the entire dry... View full abstract»

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  • [Back inside cover]

    Publication Year: 1989, Page(s): c3
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  • [Back cover]

    Publication Year: 1989, Page(s): c4
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Aims & Scope

The role of the Canadian Journal of Electrical and Computer Engineering is to provide scientific and professional activity for its members in Canada, the CJECE complements international journals and will be of particular interest to anyone involved in research and development activities in the field of electrical and computer engineering.

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Meet Our Editors

Editor-in-Chief
Dr. Shahram Yousefi
Dept. of Electrical and Computer
     Engineering
Queen's University