Proceedings of the IEEE

Issue 11 • Nov. 1980

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Displaying Results 1 - 18 of 18
  • [Front cover and table of contents]

    Publication Year: 1980, Page(s): c1
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  • The Proceedings Editorial Advisory Board

    Publication Year: 1980, Page(s): 1362
    Cited by:  Papers (1)
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  • Scanning the issue

    Publication Year: 1980, Page(s): 1363
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  • Automated directory listing retrieval system based on isolated word recognition

    Publication Year: 1980, Page(s):1364 - 1379
    Cited by:  Papers (9)  |  Patents (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1625 KB)

    Automated directory listing retrieval has been a goal of the Bell System and others for a long time. Recent attempts at implementing such a system relied on button pushing on the part of the user. Since the Touch-Tone®keyboard does not contain a unique key corresponding to each letter of the alphabet, the button pushing system had some drawbacks. In an attempt to alleviate these pr... View full abstract»

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  • Quasiparticle view of wave propagation

    Publication Year: 1980, Page(s):1380 - 1395
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1298 KB)

    A mixed analytical and computational method of treating the propagation of single mode-type wavepackets or beams in inhomogeneous, time-varying, linear, nonlinear, or turbulent media is described. On averaging out fast space-time variations, one views a wavetrain kinetically as a system of "quasiparticles" whose distribution in position and momentum space permits the calculation of space-time depe... View full abstract»

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  • Direct time-domain techniques for transient radiation and scattering from wires

    Publication Year: 1980, Page(s):1396 - 1423
    Cited by:  Papers (103)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2669 KB)

    This is a tutorial introduction to transient electromagnetics, focusing on direct time-domain techniques. We examine physical, mathematical, numerical and experimental aspects of time-domain methods, with emphasis on wire objects excited as antennas or scatterers. Numerous computed examples illustrate the characteristics of direct time-domain procedures, especially where they may offer advantages ... View full abstract»

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  • Electromagnetic beam propagation in turbulent media: An update

    Publication Year: 1980, Page(s):1424 - 1443
    Cited by:  Papers (104)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2076 KB)

    In 1975, we reviewed the recent developments on wave propagation in turbulent media. In this paper, we update that paper to include recent results on adaptive optics, intensity scintillations, pulse propagation, atmospheric measurements at visible, IR, and millimeter wave frequencies, speckle interferometry, and other related topics. View full abstract»

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  • Green's function matrices of arbitrarily terminated nonuniform transmission lines

    Publication Year: 1980, Page(s):1445 - 1446
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (217 KB)

    It is shown that the Green's function matrix of an arbitrarily terminated nonuniform transmission line can be readily determined, provided an analytical form of its ABCD parameter matrix is known. The procedure is illustrated with reference to the exponential line. View full abstract»

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  • Comments on "Mapping theory of two-dimensional anisotrophic regions"

    Publication Year: 1980, Page(s): 1445
    Cited by:  Papers (1)
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  • Arithmetic-geometric means for electrical energies

    Publication Year: 1980, Page(s):1446 - 1447
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    The paper indicates an important arithmetic-geometric relation for the behavior of linear passive reciprocal n-ports. The active energies dissipated in the unit time interval in any linear passive time invariant reciprocal resistive system satisfy the inequalities P1+ P2≥ 2P0√P1P2≥ P0where P1= (V1 View full abstract»

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  • Performing Lin's method via Routh-type algorithms or Hurwitz-type determinants

    Publication Year: 1980, Page(s):1447 - 1449
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (229 KB)

    Lin's method for finding a quadratic factor of a polynomial is too well known. Basically it is to perform long divisions on the polynomial in question by a quadratic factor shown in the last three terms of the polynomial or in the remainder. The new approach is to use Routh-Hurwitz type algorithms or determinants to evaluate the factor iteratively. View full abstract»

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  • On the transform property of a band-limited function and its samples

    Publication Year: 1980, Page(s):1449 - 1450
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB)

    Sampling and reconstruction of band-limited functions are fundamental problems in communications and signal processing. This correspondence introduces a new transform pair for any well behaved but arbitrary function f(t) and, thereafter, establishes two transform relationships between a band-limited function and its sample values. This work can be viewed as yet another comment and extension on the... View full abstract»

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  • Modified square-root method for generating correlated Gaussian pseudorandom variables

    Publication Year: 1980, Page(s):1450 - 1452
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (223 KB)

    This letter presents a modified-square-root method for generating N correlated Gaussian pseudorandom variables from K ≤ N independent Gaussian pseudorandom variables. This modified square root method yields greater accuracy using fewer nonzero elements than the eigenvalue method. Also since the modified square root method does not require iteration the transformation matrix can be generated ... View full abstract»

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  • Comments on "Signal duration and the Fourier transform"

    Publication Year: 1980, Page(s): 1452
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  • Integrated optics, second corrected and updated edition

    Publication Year: 1980, Page(s): 1453
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  • Coupling to shielded cables

    Publication Year: 1980, Page(s): 1453
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  • Book alert

    Publication Year: 1980, Page(s):1453 - 1454
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  • [Back cover]

    Publication Year: 1980, Page(s): c4
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Meet Our Editors

Editor-in-Chief
H. Joel Trussell
North Carolina State University