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IEEE Transactions on Electromagnetic Compatibility

Issue 2 • May 1979

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  • Table of contents

    Publication Year: 1979, Page(s): c1
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  • IEEE Electromagnetic Compatibility Society

    Publication Year: 1979
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  • Guest Editorial Energy and EMC-Where Do We Go from Here?

    Publication Year: 1979, Page(s):73 - 74
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  • Applicability of MIL-STD-449D and MIL-STD-469 to Modern Radar Systems

    Publication Year: 1979, Page(s):75 - 79
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1120 KB)

    MIL-STD-449D and MIL-STD-469 are not completely applicable to modem radar systems, specifically those with an electronically scanned antenna. Some of the requirements most applicable to electronically scanned radar systems are identified and some suggestions for their revision are offered. The need for improved definitions along with suggested definitions is presented. View full abstract»

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  • Airborne East Coast/Midwest Urban Survey at 121.5/243 MHz

    Publication Year: 1979, Page(s):80 - 87
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1883 KB)

    This paper describes final results of a National Aeronautics and Space Administration (NASA) airborne measurement survey of environmental, radio-frequency (RF) interference over East Coast and Midwest urban centers. The measurements were made in the emergencydistress, Search and Rescue (S&R) frequency bands at 121.5 MHz ± 25 kHz and 243 MHz ± 25 kHz, applicable to a Search and Rescue Satellite. ... View full abstract»

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  • Earth-Current Effects on Communication-Cable Power Subsystems

    Publication Year: 1979, Page(s):87 - 92
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1184 KB)

    Earth potentials can be a serious threat to cable systems in areas of high magnetic-field activity. This paper describes analytical techniques for evaluating actual system susceptibility and precautions for minimizing outages The power equipments that energize modern, wideband cable-communication links are more vulnerable to this phenomenon than were the earlier versions. Recently, shutdowns have ... View full abstract»

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  • Prediction of Crosstalk Involving Twisted Pairs of Wires-Part I: A Transmission-Line Model for Twisted-Wire Pairs

    Publication Year: 1979, Page(s):92 - 105
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2345 KB)

    A transmission line model for predicting electromagnetic coupling (crosstalk) involving twisted-wire pairs (TWP) is developed. The twisted pair is modeled as a cascade of loops consisting of uniform two-wire sections with abrupt interchanges of wire positions at the ends of each loop. Experimental results are obtained for the coupling between a single wire above ground and a twisted pair above gro... View full abstract»

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  • Prediction of Crosstalk Involving Twisted Pairs of Wires-Part II: A Simplified Low-Frequency Prediction Model

    Publication Year: 1979, Page(s):105 - 114
    Cited by:  Papers (28)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1658 KB)

    In a companion paper [1],a transmission-line simulation model for predicting crosstalk involving twisted-wire pairs was developed. In this paper, a simplified model valid for low frequencies is developed. The total coupling is separated into inductive and capacitive coupling contributions. The capacitive coupling contribution is shown to provide a "floor" which limits the effect of reducing the in... View full abstract»

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  • Electromagnetic Wave Propagation along a Pair of Rectangular Bonded Wire Meshes

    Publication Year: 1979, Page(s):114 - 122
    Cited by:  Papers (4)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1265 KB)

    A mode equation is derived for propagation between a pair of rectangular wire meshes, and numerical results for the propagation constant of the quasi-TEM mode are presented. An approximate method based on averaged boundary conditions is found to agree, if the mesh dimensions are small and the mesh separation is large. The field distribution of the quasi-TEM mode is also examined. View full abstract»

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  • Synthetic-Aperture Radar Based on Nonsinusoidal Functions: III-Beam- Forming by Means of the Doppler Effect

    Publication Year: 1979, Page(s):122 - 131
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1904 KB)

    Synthetic-aperture radar based on nonsinusoidal functions was discussed in two previous papers [1]. The Doppler effect was not used to produce the synthetic aperture, even though the conventional synthetic-aperture radar would not work without it. This paper shows how the Doppler effect of a nonsinusoidal wave can be used to produce a synthetic aperture. The main result is that the range resolutio... View full abstract»

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  • Compatibility of Spread-Spectrum Signals with Narrow-Band FM Receivers in VHF Mobile Networks

    Publication Year: 1979, Page(s):131 - 136
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1128 KB)

    The feasibility of a tentative introduction of the spread- spectrum (SS) scheme in VHF mobile bands on an area-and frequency-sharing basis with existing FDM service is investigated. It is shown that compatibility can be attained only for cellular SS networks with small cell area. The approach outlined may be useful in the treatment of general compatibility problems involving variable geometry of t... View full abstract»

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  • The Estimation of Induced-Voltage Peak Magnitude and Energy Level Under LTA/EMP Excitation of Low-Loss Aircraft Cabling

    Publication Year: 1979, Page(s):136 - 146
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4972 KB)

    The important vulnerability parameters of peak voltage transient magnitude and voltage transient energy are estimated for the LTA/EMP induction problem. Using basic linear system theory, straightforward expressions are derived to estimate these two survivability parameters. The derived model is quite general including cable characteristics, varying terminating impedances , and varying points of ca... View full abstract»

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  • Noise-Error Determination of Combinational Circuits by Walsh Functions

    Publication Year: 1979, Page(s):146 - 152
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (992 KB)

    The stochastic behavior of digital combinational circuits is analyzed by the use of Walsh functions. An n-input Boolean function is represented as a Walsh series and the error caused by noise is measured in terms of a distance which is the fraction of the time that the system output due to noise-corrupted signal differs from that due to signal alone. It is shown that the error can be expressed as ... View full abstract»

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  • Walsh-Function Array Generators: A Comparison

    Publication Year: 1979, Page(s):153 - 154
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (367 KB)

    A comparison is made between D and T flip-flop Walshfunction array generators from the points of view of 1) maximum clocking rate and 2) hardware requirements. The T flip-flop circuits require modification to be self-healing from noise interferences or momentary power failure. View full abstract»

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  • Contributors

    Publication Year: 1979, Page(s):155 - 156
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  • EMC Computer Models

    Publication Year: 1979, Page(s): 157
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  • An invitation to Membership

    Publication Year: 1979
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  • IEEE Standard Dictionary of Electrical and Electronics Terms [advertisement]

    Publication Year: 1979, Page(s):157-b - 157-c
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  • EMC Society Policy

    Publication Year: 1979, Page(s): 157-d
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  • Institutional listings

    Publication Year: 1979, Page(s): 157e
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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