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IRE Transactions on Antennas and Propagation

Issue 3 • Date May 1961

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Displaying Results 1 - 21 of 21
  • [Front cover and table of contents]

    Publication Year: 1961, Page(s): 0
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  • John T. Bolljahn, 1918-1960

    Publication Year: 1961, Page(s): 234
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  • The John T. Bolljahn memorial award

    Publication Year: 1961, Page(s): 235
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  • Synthesis of modulated corrugated surface-wave structures

    Publication Year: 1961, Page(s):236 - 241
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (407 KB)

    An exact procedure for the design of a surface that will support a prescribed group of surface waves simultaneously is described. The surfaces resulting from the application of this procedure are found to be modulated (i.e., to contain periodic waves in the direction of propagation) and to have surface impedance values that vary periodically in the direction of propagation. Finite-length surfaces ... View full abstract»

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  • Magneto-ionic Faraday rotation of the radio signals on 40 MC from satellite 1957α (Sputnik I)

    Publication Year: 1961, Page(s):241 - 247
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (618 KB)

    Some of the fadings of the 40-Mc signals from Sputnik I during morning transits are assumed to originate in Faraday rotation in the ionosphere. This has been investigated for the transit of October 12, 1957, 5:30 GMT, for which the orbit was known with reasonable accuracy. The fading records show an increasing fading rate during the last part of the transit. This is contrary to the simple theory b... View full abstract»

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  • On the guided propagation of electromagnetic wave beams

    Publication Year: 1961, Page(s):248 - 256
    Cited by:  Papers (143)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (706 KB)

    Any field in a half-space can be described by a continuous spectrum of cylindrical waves. If this spectrum comprises substantially only waves whose propagation constant is very close to the plane wave propagation constant, the field can be resolved into a set of elementary wave beams which are characterized by Laguerre polynomials. They satisfy orthogonality relations like the wave modes in a wave... View full abstract»

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  • Experimental studies on a beam waveguide for millimeter waves

    Publication Year: 1961, Page(s):256 - 263
    Cited by:  Papers (43)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (730 KB)

    The beam waveguide utilizes reiterative wave beams which are guided by resetting the cross-sectional phase distributions at periodic intervals. The major purpose of the measurements was to obtain data concerning the inherent losses of the guide, including the diffraction loss, caused by energy by-passing the phase transformers, and the dielectric and reflection losses of the transformers. Resonanc... View full abstract»

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  • Parasitic excitation of circular antenna arrays

    Publication Year: 1961, Page(s):263 - 267
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (443 KB)

    A method of calculating the radiation pattern of a circular antenna array of parallel monopoles or dipoles using symmetrical components is presented. The results obtained when only one element of the array is excited are not particularly good. However, if an additional element is added at the center of the array a fairly good directional pattern results. The sidelobe level is dependent upon the tu... View full abstract»

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  • Angular accuracy of a phased array radar

    Publication Year: 1961, Page(s):268 - 275
    Cited by:  Papers (37)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (543 KB)

    One type of phased-array radar of current interest employs an array of separate receiving elements, each followed by an individual amplifier. These individual signals are combined coherently to form one or more receiving beams for searching, tracking, or performing both functions simultaneously. This paper presents an approach to the theory of angle measurement with a phased array of this type. In... View full abstract»

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  • A spiral-doublet scanning array

    Publication Year: 1961, Page(s):276 - 279
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    An array of eight spiral doublets, each doublet consisting of a pair of equally-excited two-wire spirals in the same plane and wound in opposite senses, has been used to scan a beam of horizontal polarization over a \pm 40\deg range simply by rotations of the spiral doublets. The combination of a microstrip ring network and twin lead provided a balanced feed... View full abstract»

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  • Leaky wave antennas II: Circular waveguides

    Publication Year: 1961, Page(s):280 - 290
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (762 KB)

    The propagation characteristics of leaky waves on slotted circular cylinders are derived by the methods described in an earlier paper on leaky rectangular waveguides. The cross section of a typical leaky circular wavegaide is represented by a radial transmission line network incorporating a lumped terminating admittance which characterizes the slot discontinuity and the external region. The expres... View full abstract»

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  • A spiral-grating array

    Publication Year: 1961, Page(s):291 - 295
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (658 KB)

    A problem associated with a two-dimensional spiral doublet array is concerned with the fact that use of the spiral doublet as an element to obtain linear polarization leads to spacing difficulties, since the distance between elements is always twice as much in one dimension as in the other. Thus, the allowable scan is seriously limited in one principal plane. A method is proposed for obtaining lin... View full abstract»

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  • Coupled surface waves and broadside arrays of end-fire antennas

    Publication Year: 1961, Page(s):296 - 304
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (830 KB)

    The concept of coupled surface waves is introduced to describe the action of element interaction in a broadside array of traveling-wave end-fire antennas. These coupled waves are formulated in terms of an interaction matrix, whose elements either can be determined experimentally, or, for some antenna structures, can be computed. Two methods of pattern evaluation based on two well-known approaches ... View full abstract»

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  • A theory of antenna performance in scatter-type reception

    Publication Year: 1961, Page(s):304 - 311
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (733 KB)

    Many of the diversity techniques currently proposed or in use for scatter reception may be viewed as utilizing antenna systems with several adjustable parameters-typically two to four which are continually varied in response to fluctuations in the incident waveform, so as to maximize received power. An investigation is described which defines an ideal upper bound on performance of a linear variabl... View full abstract»

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  • Correction to "Reflection factor of gradual-transition absorbers for electromagnetic and acoustic waves"

    Publication Year: 1961, Page(s): 311
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  • A scattering measurement technique

    Publication Year: 1961, Page(s):312 - 313
    Cited by:  Papers (2)
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  • Maximum gain in monopulse difference mode

    Publication Year: 1961, Page(s):314 - 315
    Cited by:  Papers (7)
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  • Current Distributions on cylinders excited by spherical electromagnetic waves

    Publication Year: 1961, Page(s):315 - 317
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  • The potential utility of scanning microwave beams in plasma diagnostics

    Publication Year: 1961, Page(s):317 - 319
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  • The zone plate as a radio-frequency focusing element

    Publication Year: 1961, Page(s):319 - 320
    Cited by:  Papers (18)
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  • [Back cover]

    Publication Year: 1961, Page(s): c4
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Aims & Scope

The Transactions ceased publication in 1962. The current retitled publication is IEEE Transactions on Antennas and Propagation.

Full Aims & Scope