Canadian Journal of Electrical and Computer Engineering

Issue 4 • Fall 2005

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  • Canadian Journal of Electrical and Computer Engineering

    Publication Year: 2005, Page(s):1 - 4
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  • Table of contents

    Publication Year: 2005, Page(s):5 - 6
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  • Message from the editors

    Publication Year: 2005, Page(s):174 - 175
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  • Canadian Conference on Electrical and Computer Engineering

    Publication Year: 2005, Page(s):175 - 176
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  • Call for papers

    Publication Year: 2005, Page(s): 01
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  • Low-loss inductors built on PECVD intrinsic amorphous silicon for RF integrated circuits

    Publication Year: 2005, Page(s):179 - 182
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (410 KB) | HTML iconHTML

    The quality factor (Q) of inductors on silicon (Si) is limited by the series resistance of the metal at low frequency and by the substrate resistivity at high frequency. Oxide is generally used to isolate the useful signal of the inductor from the lossy substrate. However, stoichiometric silica (SiO2) is processed at a high temperature, which eliminates the possibility of post-CMOS integration. By... View full abstract»

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  • A 0.18 /spl mu/m CMOS pipelined encoder for a 5 GS/s 4-bit flash analogue-to-digital converter

    Publication Year: 2005, Page(s):183 - 187
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (692 KB) | HTML iconHTML

    A high-speed CMOS encoder intended for a 5 gigasample/second (GS/s) 4-bit flash analogue-to-digital converter (ADC) is presented. To meet the speed and power targets of the ADC, low-swing signalling is used in all the internal sub-blocks of the ADC, including the encoder, which is implemented in current-mode logic (CML). To further enhance the encoders speed, two-stage pipelining is used. Details ... View full abstract»

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  • Reliability-performance-index probability distribution analysis of bulk electricity systems

    Publication Year: 2005, Page(s):189 - 193
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (314 KB) | HTML iconHTML

    System reliability performance is usually based on average customer-interruption indices. The average values are valuable information, but provide only a single customer risk dimension without the underlying probability distributions. The average annual indices give no insight as to how reliability may vary from year to year as a result of the random behaviour of a bulk electric system. Reliabilit... View full abstract»

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  • Moderate loading in bit-rounding algorithms for multicarrier systems

    Publication Year: 2005, Page(s):195 - 199
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (237 KB) | HTML iconHTML

    Bit-rounding algorithms are practically attractive for their computational efficiency and suitability for integer-bit loading. However, because of the concave nature of the rate-energy relationship, these algorithms often tend to load bits aggressively, which leads to the performanceconstraint violation. In addition, for BPSK and 8-QAM cases, the anomalous behaviour of the SNR-gap rate function al... View full abstract»

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  • A distributed arithmetic hardware architecture for real-time hough-transform-based segmentation

    Publication Year: 2005, Page(s):201 - 205
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (637 KB) | HTML iconHTML

    Real-time segmentation and tracking of biopsy needles is a very important part of image-guided surgery. Since the needle appears as a straight line in medical images, the Hough transform for straight-line detection is a natural and powerful choice for needle segmentation. However, the transform is computationally expensive and in the standard form is ineffective for real-time segmentation applicat... View full abstract»

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  • A new approach for minimization of binary decision diagrams

    Publication Year: 2005, Page(s):207 - 214
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (636 KB) | HTML iconHTML

    This paper proposes a new approach that successfully finds the optimal variable orderings for almost all reduced ordered binary decision diagrams (BDDs) in the LGSynth91 benchmark circuits with up to 500 variables. All previously known approaches can solve only functions with less than 64 variables. The progress of the new approach is attributable to the concept of randomized algorithms, which sig... View full abstract»

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  • Comparative evaluation of control laws based on pulse-width modulation and on hysteresis: application on a current-injection-based three-phase rectifier

    Publication Year: 2005, Page(s):215 - 223
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (693 KB)

    In this paper, two control laws based respectively on hysteresis and pulse-width-modulation techniques are applied on a unity-power-factor current-injection- based three-phase rectifier. A theoretical analysis is carried out in order to evaluate the performance of each technique in terms of the line current ripple and the switching frequency. The control-detuning problem, which contributes mainly ... View full abstract»

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  • Development and three-dimensional modelling of a biological-tissue grasper tool equipped with a tactile sensor

    Publication Year: 2005, Page(s):225 - 230
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1206 KB) | HTML iconHTML

    New surgical procedures, such as minimally invasive surgeries, separate the surgeons hands from the site of an operation. As a result, the surgeons perception of touch is limited to his/her visual abilities fed back from a video camera located at the end of an endoscope. To compensate for this restriction, this study investigates the design, fabrication, testing, and mathematical modelling of an e... View full abstract»

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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.

Full Aims & Scope

Meet Our Editors

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