IEEE Transactions on Electromagnetic Compatibility

Issue 4 • Nov. 1981

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  • Table of contents

    Publication Year: 1981, Page(s): c1
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  • IEEE Electromagnetic Compatibility Society

    Publication Year: 1981, Page(s): c2
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  • Understanding Middleton's Canonical Formula for Class a Noise

    Publication Year: 1981, Page(s):337 - 344
    Cited by:  Papers (67)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1434 KB)

    This paper develops an intuitive understanding of the meaning and implications of Middleton's canonical formula for Class A noise. The probability density function (pdf) for noise in decibels is derived, and each of the parameters has a clear physical meaning. The effects of parameter variation on the pdf are shown graphically. The canonical Class A formula predicts that the interdecile range of n... View full abstract»

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  • Transmission-Line MNodeling of Shielded Wires for Crosstalk Prediction

    Publication Year: 1981, Page(s):345 - 351
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1080 KB)

    The adaptation of a transmission-line model to the prediction of crosstalk in shielded-wire circuits is presented. The incorporation of pigtail sections of the shielded cable into the transmission-line model is discussed, and the presence of the pigtail wires is shown to be important. Experimental results are presented which illustrate the prediction accuracy of the model. View full abstract»

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  • Computation of Crosstalk in a Multiconductor Transmission Line

    Publication Year: 1981, Page(s):352 - 358
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1115 KB)

    Closed-form solutions for the terminal currents of a multiconductor transmission line are obtained. The results allow a numerically efficient computation of the crosstalk associated with an (n + 1)-conductor line when a large number of frequencies are of interest and bypass the usual requirement for the repeated solution of n simultaneous equations at each frequency. The results show the effect of... View full abstract»

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  • The Polarizabilities of Electrically Small Apertures of Arbitrary Shape

    Publication Year: 1981, Page(s):359 - 366
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1175 KB)

    Numerical procedures, based on a method of moments approach, are given for computing the magnetic and electric polarizabilities of electrically small apertures of arbitrary shape. The magnetic polarizability density is determined through the use of pulse expansion functions defined over quadrilateral subdomains, while the electric polarizability density is obtained by using basis functions, each o... View full abstract»

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  • Low-Frequency Electromagnetic Penetration of Loaded Apertures

    Publication Year: 1981, Page(s):367 - 377
    Cited by:  Papers (39)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1600 KB)

    Low-frequency (quasi-static) electromagnetic penetration of an aperture can be reduced by loading the aperture with a conductive film or a bonded-junction wire mesh. A quantitative analysis of this phenomenon is carried out in this paper for a loaded circular aperture in a perfectly conducting ground plane of infinite transverse extent. Contact resistance between the aperture loading and the rim i... View full abstract»

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  • Absorbing Boundary Conditions for the Finite-Difference Approximation of the Time-Domain Electromagnetic-Field Equations

    Publication Year: 1981, Page(s):377 - 382
    Cited by:  Papers (1535)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1204 KB)

    When time-domain electromagnetic-field equations are solved using finite-difference techniques in unbounded space, there must be a method limiting the domain in which the field is computed. This is achieved by truncating the mesh and using absorbing boundary conditions at its artificial boundaries to simulate the unbounded surroundings. This paper presents highly absorbing boundary conditions for ... View full abstract»

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  • Numerical Determination of Induced Currents in Humans and Baboons Exposed to 60-Hz Electric Fields

    Publication Year: 1981, Page(s):382 - 390
    Cited by:  Papers (30)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1341 KB)

    In order to extropolate 60-Hz electric-field effects on experimental animals (baboons) in terms of equivalent effects on man, scaling relations for the induced current densities have been developed by utilizing advanced computer-modeling techniques. Humans and baboons were modeled by a large number of small cubical blocks that were arranged to obtain the best possible fit to the contour of the obj... View full abstract»

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  • Noise Analysis of Soft Errors in Combinational Digital Circuits Via Walsh Transforms

    Publication Year: 1981, Page(s):391 - 400
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1290 KB)

    The noise produced at the output of combinational logic circuits by individual gate failures is analyzed through the use of Walsh functions. Soft errors are modeled by allowing the output of each gate in a particular realization to fail temporarily, possibly introducing an error in the single binary output. The input variables also are allowed to be stochastically driven. The output probability of... View full abstract»

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  • Walsh Series Expansions of Probability Distributions

    Publication Year: 1981, Page(s):401 - 407
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1031 KB)

    This paper discusses the representation of probability distribution functions by Walsh series expansions. Generally, such expansions may be employed for the representation of multivariate distributions. However, we confine attention here to univariate and bivariate distributions. The resulting expansions are consequently utilized in the derivation of useful expressions for the moments of correspon... View full abstract»

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  • Average Walsh Power Spectrum for Periodic Signals

    Publication Year: 1981, Page(s):407 - 412
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (962 KB)

    A circular shift-invariant Walsh power spectrum for deterministic periodic sequences is defined. For a sequence with period N, the power spectrum is the average of the Walsh power spectra of all N possible distinct circular shifts. The Average Walsh Power Spectrum (AWPS) consists of (N/2) + 1 coefficients, each representing a distinct sequency. A fast transformation from the arithmetic autocorrela... View full abstract»

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  • Statistics of Electromagnetic Noise Due to High-Voltage Power Lines

    Publication Year: 1981, Page(s):412 - 419
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1175 KB)

    The impulsive noise caused by a 275-kV transmission line has been measured at 80, 150, and 480 MHz and the results are presented in the form of graphs of the amplitude probability distribution (APD), average level crossing rate, and pulse width (PWD) and pulse-interval distributions (PID's). It is concluded that the noise decreases as the monitoring frequency increases and as the moniitoring anten... View full abstract»

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  • A Technique for Increasing the Resolution of Finite-Difference Solutions of the Maxwell Equation

    Publication Year: 1981, Page(s):419 - 422
    Cited by:  Papers (47)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (856 KB)

    A two-step expansion technique has been developed for finite-difference codes that can increase the spectral resolution of such codes over selected subvolumes of the original problem space. The utility of this technique is demonstrated by predicting the responses arising from the coupling of an incident exterior field across an aperture in a hollow cylinder to an interior wire. Expansions on the o... View full abstract»

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  • Contributors

    Publication Year: 1981, Page(s):423 - 424
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  • 1981 Technical Reviewers

    Publication Year: 1981, Page(s):425 - 426
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  • Sixth International Wroclaw Symposium on Electromagnetic Compatibility June 22-24, 1982

    Publication Year: 1981, Page(s): 427
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  • Author index

    Publication Year: 1981, Page(s):428 - 429
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  • Subject index

    Publication Year: 1981, Page(s):429 - 433
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  • EMC Society Policy

    Publication Year: 1981, Page(s): [433]a
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  • Institutional listings

    Publication Year: 1981, Page(s): 433b
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Aims & Scope

IEEE Transactions on Electromagnetic Compatibility publishes original and significant contributions related to all disciplines of electromagnetic compatibility (EMC) and relevant methods to predict, assess and prevent electromagnetic interference (EMI) and increase device/product immunity.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Prof. Ing. Antonio Orlandi 
University of L'Aquila
Email: antonio.orlandi@univaq.it