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IEEE Transactions on Electromagnetic Compatibility

Issue 4 • Nov. 1986

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Displaying Results 1 - 25 of 33
  • Table of contents

    Publication Year: 1986, Page(s): c1
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  • IEEE Electromagnetic Compatibility Society

    Publication Year: 1986, Page(s): c2
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  • What is Wrong?

    Publication Year: 1986, Page(s): 169
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  • A Near-Field Array of Yagi-Uda Antennas for Electromagnetic-Susceptibility Testing

    Publication Year: 1986, Page(s):170 - 178
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2286 KB)

    In electromagnetic-susceptibility testing of electronic equipment, the ideal incident field is a plane wave. To approximate this condition, a seven-element array of Yagi-Uda antennas has been constructed and tested at a frequency of 500 MHz. The element weightings are determined by a near-field synthesis technique, which optimizes the uniformity of the field throughout a rectangular test volume in... View full abstract»

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  • A Boundary-Element Analysis of TEM Cells in Three Dimensions

    Publication Year: 1986, Page(s):179 - 184
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (992 KB)

    Transverse electromagnetic (TEM) transmission-line cells are modeled and analyzed in three dimensions based on a mixed discretization using both constant and linear boundary elements. In particular, the distributed characteristic impedance along the line is evaluated for symmetrical square TEM cells of the type built at the National Bureau of Standards (NBS) in order to confirm the validity of the... View full abstract»

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  • A Model for Inpulsive Power-Line Radio Disturbance Due to Gap-Type Discharges

    Publication Year: 1986, Page(s):185 - 192
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3337 KB)

    Electromagnetic disturbance from power lines is one of the main sources of man-made noise affecting communications in the high-frequency radio band. Most radio disturbances generated by power lines are of two types: gap-type noise caused by electric discharges across line hardware, and corona noise caused by the partial breakdown of the air due to the high electric fields around transmission-line ... View full abstract»

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  • Measurement and Analysis of Impulsive Noise from Bullet Trains

    Publication Year: 1986, Page(s):193 - 203
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2105 KB)

    Measurements of impulsive noise radiating from bullet trains running either an upward or downward slope on the New Tokaido Line have been performed with the amplitude probability distribution-crossing rate distribution (APD-CRD) measuring apparatus using vertical dipole antennas. APD and CRD pairs have been simultaneously measured in a narrow bandwidth for some VHF. It is noted that APD's and CRD'... View full abstract»

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  • Coupling Model of Crossing Transmission Lines

    Publication Year: 1986, Page(s):204 - 210
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (947 KB)

    The coupling between transmission lines crossing diagonally is described. The resulting equations are derived by neglecting the recoupling of the line under induction (acceptor line (AL)) to the exciter line (EL). The coupling coefficients of various models are also considered. Equivalent-circuit representations for finite-length lines are obtained in two different forms: one expressed in terms of... View full abstract»

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  • Main Effect of Mutual Interference in Radio Communication Systems Using Broad-Band Transmitters

    Publication Year: 1986, Page(s):211 - 219
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1584 KB)

    Present-day radio communication systems employing antijam techniques, such as frequency hopping or spread spectrum, require that the transmitter final stage be a broad-band solid-state device. An analysis of such radio communication systems has shown that these systems suffer from the effects of intermodulation (IM) products generated within the transmitters, especially under collocation situation... View full abstract»

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  • Attenuation of Communication Signals on Residential and Commercial Intrabuilding Power-Distribution Circuits

    Publication Year: 1986, Page(s):220 - 230
    Cited by:  Papers (68)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2719 KB)

    The use of electric-power-distribution circuits for intrabuilding communications is ol continued and growing interest. The purpose of this paper is to present intrabuilding signal attenuation measurements taken from five different buildings. The measurements cover the range 20-240 kHz and include transmissions across power phases. The measurements complement earlier measurements by others of power... View full abstract»

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  • A Self-Steering Two-Dimensional Planar Array for Nonsinusoidal Waves

    Publication Year: 1986, Page(s):231 - 239
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1373 KB)

    The principle of a one-dimensional self-steering array system for beam forming with nonsinusoidal waves has been developed previously. In this paper, an adaptive antenna system consisting of a two-dimensional planar array of sensor elements and a real-time adaptive receiver processor is described. The sensor elements of the planar array are arranged into rows and columns so that the steering comma... View full abstract»

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  • Three-Dimensional Antenna Patterns for Nonsinusoidal Waves

    Publication Year: 1986, Page(s):240 - 248
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4038 KB)

    Array beam forming with nonsinusoidal waves allows a trade-off between signal power, frequency bandwidth, and array size for a small resolution angle. In addition, one can derive various antenna patterns with desiralble features for achieving good angular resolution. Such patterns are peak-amplitude, peak-power, ramp-duration, flat-duration, energy, and slope patterns that have been derived for li... View full abstract»

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  • Editorial Prologue: A Controversial Trilogy

    Publication Year: 1986, Page(s): 249
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  • Correction of Maxwell's Equations for Signals I

    Publication Year: 1986, Page(s):250 - 258
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1491 KB)

    Electromagnetic wave theory has been based on the concept of infinitely extended periodic sinusoidal waves ever since Maxwell published his theory a century ago. On the practical level this worked very well, but on the theoretical level we always had an indication that something was amiss. There was never a satisfactory concept of propagation velocity of signals within the framework of Maxwell's t... View full abstract»

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  • Correction of Maxwell's Equations for Signals II

    Publication Year: 1986, Page(s):259 - 266
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1105 KB)

    In the first of two companion papers it was shown that the addition of a magnetic current density to Maxwell's equations is a sufficient condition to obtain solutions in lossy propagation media for waves that are not infinitely extended periodic waves. The solutions obtained represented transients that may be used to represent signals having a beginning and an end. This second paper shows that the... View full abstract»

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  • Propagation Velocity of Electromagnetic Signals

    Publication Year: 1986, Page(s):267 - 272
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1054 KB)

    The propagation velocity of electromagnetic signals has been a vexing problem for about a century. The often-mentioned group velocity fails on two accounts, one being that it is generally larger than the velocity of light for waves in the atmosphere; the other that its derivation implies a transmission rate of information equal to zero. The reason why this problem has resisted a solution for so lo... View full abstract»

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  • An Error Bound for Near-Field Array Synthesis

    Publication Year: 1986, Page(s):273 - 276
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (657 KB)

    An expression for the upper bound of any component of the electric or magnetic field at any point in a region is derived in terms of a product of two surface field integrals. The result is most useful for bounding errors in near-field array synthesis, but might have other applications where upper bounds on field magnitudes are desired. View full abstract»

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  • A Simple Recursive Definition for Walsh Functions

    Publication Year: 1986, Page(s):276 - 279
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (503 KB)

    This paper presents a simple recursive definition for Walsh functions, which overcomes the shortcomings of other recursive definitions. A rule of thumb for writing down the explicit representation for Walsh functions of any order is also devised. In addition, this recursive formula is used to generate discrete Walsh functions in matrix form. View full abstract»

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  • Comments on "Capacitance between Perpendicular Conducting Planes Separated by a Gap"

    Publication Year: 1986, Page(s):280 - 282
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (391 KB)

    A recent paper [1] attempted to solve the problem of the capacitance between a semi-infinite ground plane and a symmetrically placed strip perpendicular to its edge, by use of conformal transformations and an approximate variational Green's-function formulation. This note points out that the results given in the paper are in error by more than a factor of 2, and that no approximation is necessary ... View full abstract»

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  • Correction to "Capacitance between Perpendicular Conducting Planes Separated by a Gap"

    Publication Year: 1986, Page(s): 282
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  • Hourly APD's of Impulsive Atmospheric Noise at a Semitropical Location during the Evening Transition Period

    Publication Year: 1986, Page(s):283 - 285
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  • Comments on "Use of Ferrites for Absorption of Electromagnetic Waves"

    Publication Year: 1986, Page(s): 285
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (254 KB)

    The usefulness of ferrites in optimal radar absorber design may need consideration of compatibility with other materials and distributed components. View full abstract»

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  • Contributors

    Publication Year: 1986, Page(s):286 - 287
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  • 1986 Technical Reviewers

    Publication Year: 1986, Page(s):288 - 289
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  • 1986 EMCS Annual Awards

    Publication Year: 1986, Page(s): 290
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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