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IRE Transactions on Antennas and Propagation

Issue 4 • July 1960

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

    Publication Year: 1960, Page(s): 0
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  • Coupled leaky waveguides II: Two parallel slits in a cylinder

    Publication Year: 1960, Page(s):354 - 360
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (431 KB)

    Theoretical expressions are derived for the effects of mutual coupling between two parallel leaky wave antennas which consists of slitted rectangular waveguides located in a cylinder. The expressions derived are presented in terms of the results for the mutual coupling of the same antennas but located in an infinite plane, with additional terms due to the curvature of the cylinder. The graphical p... View full abstract»

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  • Mutual coupling effects in large antenna arrays II: Compensation effects

    Publication Year: 1960, Page(s):360 - 367
    Cited by:  Papers (26)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (722 KB)

    Mutual coupling effects in a large array cause a variation in the input impedance as a function of scan angle. This variation can be reduced considerably by the use of a compensating structure which appropriately modifies the environment of the array. A two-dimensional dipole array is treated as a typical example, and its input impedance is calculated by means of a unit cell equivalent network as ... View full abstract»

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  • Paraboloidal reflector patterns for off-axis feed

    Publication Year: 1960, Page(s):368 - 379
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (843 KB)

    The problem of predicting the radiation pattern for an asymmetrically illuminated paraboloid is covered in some detail. The current distribution method is given in a final form suitable for machine computation. An approximate analytical solution using scalar diffraction methods is compared with the experimental results and the machine solution. View full abstract»

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  • Unequally-spaced, broad-band antenna arrays

    Publication Year: 1960, Page(s):380 - 384
    Cited by:  Papers (76)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (487 KB)

    Requirements for a broad-band, steerable linear antenna array are given. The limitations due to grating lobes of an equally-spaced array are discussed. Results are given of the study of several different unequally-spaced arrays which have two advantages: 1) fewer elements for comparable beamwidth; 2) grating lobes and minor lobes replaced by sidelobes of unequal amplitude which are all less than t... View full abstract»

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  • Resonant slots with independent control of amplitude and phase

    Publication Year: 1960, Page(s):384 - 389
    Cited by:  Papers (14)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    The design of slot arrays requiring nonuniform phase distributions, such as those having shaped beam radiation patterns, are facilitated by the development of slots having independent amplitude and phase control. A "complex" slot (which is inclined and displaced) on the broad wall of a rectangular waveguide makes it possible to control the coupling characteristics over a range in phase from zero t... View full abstract»

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  • Mutual coupling of shunt slots

    Publication Year: 1960, Page(s):389 - 400
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (724 KB)

    Stevenson's method of analysis is extended to the case of a pair of shunt slots in the broad face of rectangular waveguide. The voltages in the slots are calculated including the effect of mutual coupling. Formulas suitable for calculation of mutual coupling are presented and the results of calculations for certain cases of overlapping quarter-wave spaced slots and nonoverlapping half-wave spaced ... View full abstract»

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  • A wide-band transverse-slot flush-mounted array

    Publication Year: 1960, Page(s):401 - 407
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    This paper describes the design analysis and measured performance of an antenna composed of an H -plane array of parallel waveguides having quarter-wavelength-thick transverse slots extending completely across the array. Each relatively wide nonresonant slot in this array radiates only a small amount of power, and the dimensions of the slots are relatively uncr... View full abstract»

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  • Realation between a class of two-dimensional and three dimensional diffraction problems

    Publication Year: 1960, Page(s):407 - 414
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (683 KB)

    By means of a certain transformation, a relationship is demonstrated between a class of two-dimensional and three-dimensional scalar or electromagnetic diffraction problems. The basic three-dimensional configuration consists of a perfectly reflecting half plane excited by a ring source centered about the edge and having a variation exp ( \pm i\phi/2 ), where... View full abstract»

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  • Forward scatter from rain

    Publication Year: 1960, Page(s):414 - 418
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (499 KB)

    The forward scatter of radio waves from rain has been observed over a 90-mile, 2720-mc path. The observations support the assumption of omnidirectional scattering from rain. On this link rain scatter may exceed the normal tropospheric scatter signal by 15 db. This latter signal may itself be increased by the presence of thunderstorms in the vicinity. Signal level distribution during rain and no-ra... View full abstract»

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  • Solution of a reflection problem by means of a transmission line analogy

    Publication Year: 1960, Page(s):418 - 422
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (350 KB)

    Through the use of a transmission line analogy, a problem related to the reflection of electromagnetic energy from a periodic acoustic disturbance is solved. This solution agrees well with a numerical solution of a wave equation of the Mathieu form, which has been derived from a different model of the same problem. Subsequent experimental research has given results in good agreement with the theor... View full abstract»

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  • Experimental swept-frequency tropospheric scatter link

    Publication Year: 1960, Page(s):423 - 428
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (843 KB)

    An experimental swept-frequency tropospheric scatter link, with a path length of 194 miles, has been established in France between Cholet and Corbeville. The transmitter (designed by Compagnie Générale de Télégraphie Sans Fil) sweeps in a nearly linear manner from 3100 to 3600 mc and back to 3100 mc at about 10 cps. The average transmitted power is 250 watts. The receiver and d... View full abstract»

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  • Energy density in continuous electromagnetic media

    Publication Year: 1960, Page(s):428 - 434
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (547 KB)

    After a discussion of various types of linear electromagnetic media, a general expression for the energy density for a lossless medium is derived by evaluation of the total influx of energy to a volume element. The result reduces to the commonly used expression only if the medium is nondispersive. The physical significance of the extra energy term resulting from the dispersion is discussed, and a ... View full abstract»

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  • Resonant antenna array with tilted beam

    Publication Year: 1960, Page(s):435 - 436
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (197 KB)

    First Page of the Article
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  • Van Atta reflector array

    Publication Year: 1960, Page(s):436 - 438
    Cited by:  Papers (64)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (289 KB)

    The Van Atta reflector array is an array in which the elements are interconnected to reradiate received energy back in the direction of arrival. Scattering cross section measurements on a four-by-four Van Atta array of sixteen dipoles are presented. This array reflects over a wider angle than the typical corner reflector, but is sensitive only to incident waves in the frequency band of and having ... View full abstract»

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  • A circular loop antenna with nonuniform current distribution

    Publication Year: 1960, Page(s):439 - 441
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (277 KB)

    An analysis for the far field of a filamentary loop antenna with nonuniform current distribution is presented. In order to obtain a possible current distribution, an analogy between a circular transmission line and a parallel-wire transmission line is made. This analogy yields a standing wave of current similar to that found on a lossy parallel-wire line. Considering only the far field of the ante... View full abstract»

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  • Pattern synthesis using weighted functions

    Publication Year: 1960, Page(s):441 - 444
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (326 KB)

    An increase in the accuracy of the synthesis of a pattern by a collinear array of equispaced radiators is obtained by expanding, in trigonometric series, the function to be generated, multiplied by a weight function 1+\varepsilon (x) . When \varepsilon (x) is a polynomial, an exponential function, a trigonometric funct... View full abstract»

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  • On the excitation of electromagnetic surface waves on a curved surface

    Publication Year: 1960, Page(s):445 - 448
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (307 KB)

    The excitation and propagation of surface waves on a spherical inductive boundary are considered. The source is taken to be a vertical electric dipole. The circumferential attenuation rates of the various modes are discussed where it is indicated that the dominant mode is very similar to the trapped surface wave for a plane inductive boundary. The results appear to conflict with those of Barlow, b... View full abstract»

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  • Note on "The excitation of electromagnetic surface waves on a curved surface"

    Publication Year: 1960, Page(s): 449
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    First Page of the Article
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  • The structure of HF signals revealed by an oblique incidence sweep frequency sounder

    Publication Year: 1960, Page(s):449 - 451
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (330 KB)

    First Page of the Article
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  • [Back cover]

    Publication Year: 1960, Page(s): c4
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    Freely Available from IEEE

Aims & Scope

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

Full Aims & Scope