Electronics & Communication Engineering Journal

Issue 4 • July-Aug. 1989

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Displaying Results 1 - 6 of 6
  • Open systems cabling as a building utility

    Publication Year: 1989, Page(s):152 - 158
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (660 KB)

    Open Systems Interconnection (OSI) is intended to facilitate interworking between data terminal equipments (DTEs) of different designs and from multiple vendors, thus providing the user community with a broad level of independence in the procurement of IT equipment. Whilst OSI local area network (LAN) standards have aimed to fulfil this objective, actual variations in data rates, media types and c... View full abstract»

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  • Design study of a fuzzy controller for ship roll stabilisation

    Publication Year: 1989, Page(s):159 - 166
    Cited by:  Papers (10)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (602 KB)

    The design of a fuzzy controller is discussed which uses roll and roll rate as input and fin demand as output to stabilise the roll motions of a modern warship. Owing to the nonlinear characteristics of the warship roll dynamics, it was found to be necessary for the fuzzy controller to have multiple output fuzzy-set options which are invoked at different ship speeds and rudder demands. Simulation ... View full abstract»

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  • Performance improvement of Viterbi decoding for FM recording code

    Publication Year: 1989, Page(s):167 - 170
    Cited by:  Papers (2)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (331 KB)

    In high-density recording, the performance of the conventional Viterbi decoder for FM recording code is degraded by the influence of the correlation between samples of the noise at the discrimination point. A decoding method is therefore proposed which uses a Viterbi decoder whose form assumes a simple Markov process for the noise at the discrimination point. The error probability of this method i... View full abstract»

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  • Evaluating the behaviour of phase-modulated modems sensitive to amplitude and phase transients

    Publication Year: 1989, Page(s):171 - 177
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (630 KB)

    In practical communication systems, spurious amplitude and phase effects are normally mutually interrelated. Most semiconductor and thermionic amplifier devices, when driven from their quasilinear region into a saturated state by large amplitude signal changes, impress phase and amplitude changes onto other signals operating within the normally linear region. Practical digital modems are sensitive... View full abstract»

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  • Nonlinear spectral-estimation methods for ground clutter analysis

    Publication Year: 1989, Page(s):179 - 183
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (400 KB)

    A simple ground clutter model has been analysed using nonlinear methods of power spectral estimation and the performance of these methods has been studied. The methods considered are the maximum entropy method (MEM), the maximum likelihood method (MLM), the least-squares method (LSM), the autoregressive moving average (ARMA) method and Prony's energy spectral-density estimation (PESD). The perform... View full abstract»

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  • Home automation

    Publication Year: 1989, Page(s):185 - 192
    Cited by:  Papers (7)  |  Patents (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (847 KB)

    The impact of home automation on domestic lifestyles will be as far ranging as was that of factory automation on industry and its benefits will be available to all sectors of society. Home automation will be achieved not with the household robot but with embedded computing power and memory within dozens of pieces of domestic equipment, each of which will communicate with the user and with other eq... View full abstract»

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Aims & Scope

Published from 1989-2002, the Electronics & Communication Engineering Journal aimed to inform practising professional engineers who were involved in electronics and communications by providing coverage of new developments in a serious technical, but not in an overformal or academic manner.

Topics covered included: Measurement and instrumentation; circuit design, simulation and CAD; signal and image processing, coding; microwaves, antennas and radio propagation; optoelectronics; TV and sound broadcasting; telecommunication networks; radio and satellite communications; radar, sonar and navigation systems; and electromagnetic compatibility.

Full Aims & Scope