Transactions of the IRE Professional Group on Antennas and Propagation

Volume 3 Issue 1 • Jan. 1955

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Displaying Results 1 - 9 of 9
  • [Front cover and table of contents]

    Publication Year: 1955, Page(s):c1 - c2
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  • News and views

    Publication Year: 1955, Page(s):1 - 3
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB)

    First Page of the Article
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  • Double parabolic cylinder pencil-beam antenna

    Publication Year: 1955, Page(s):4 - 8
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    Radiation from a point source placed on the focal line of a parabolic cylinder is reflected in succession from this cylinder and from a second parabolic cylinder crossed so that its focal line coincides with the directrix of the first cylinder. The two reflections result in a parallel beam. The theory is applicable to both microwaves and light. The advantages of shipping the cylinders in the form ... View full abstract»

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  • An atmospherics analyzer

    Publication Year: 1955, Page(s):9 - 12
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    The enormously powerful radiation from lightning discharges has been used as a tool for the study of the ionosphere at very low frequencies. Previous workers have calculated the height of the ionosphere and the distance to the radiation source by application of the ray theory of multiple ionospheric reflections. Time measurements for use in the height and distance formulas were obtained by direct ... View full abstract»

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  • A single-control tuning circuit for electrically small antennas

    Publication Year: 1955, Page(s):12 - 15
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (357 KB)

    It is often desirable to tune electrically small antennas at their feed terminals. An "L" matching circuit for this purpose is considered. It is shown that one fixed element and one variable tuning element are adequate for certain small antennas. The manner in which losses affect the circuit effiiciency and the single-control tuning feature is discussed. Application of the technique to a tunable c... View full abstract»

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  • Design of line-source antennas for narrow beamwidth and low side lobes

    Publication Year: 1955, Page(s):16 - 28
    Cited by:  Papers (306)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1065 KB)

    It is well known that the phenomenon of radiation from line-source antennas is very similar to that of the diffraction of light from narrow apertures. Unlike the optical situation, however, antenna design technique permits the use of other-than-uniform distributions of field across the antenna aperture. Line source synthesis is the science of choosing this distribution function to give a radiation... View full abstract»

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  • On the input construction of thin antennas

    Publication Year: 1955, Page(s):29 - 32
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (339 KB)

    Input conductances of thin antennas are computed by evaluating separately input voltage and radiated power for a prescribed value of the current near the maximum. The current distribution required to evaluate the radiated power and the input voltage is obtained by solving Hall??n's equation for the prescribed value of the current. First and second order computations were carried out for full wave ... View full abstract»

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  • Theory of radio reflections from electron-ion clouds

    Publication Year: 1955, Page(s):32 - 39
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (713 KB)

    Approximations to the reflection coefficients of electron-ion clouds of various sizes, shapes, and densities are determined. A simplified approach to the problem is employed, wherein the total reflection from the low-density clouds is computed by Summing the scattered wavelets from the individual electrons, while the high-density clouds are treated as total reflectors at the critical density radiu... View full abstract»

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  • Discussion on optimum patterns for endfire arrays

    Publication Year: 1955, Page(s):40 - 43
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (357 KB)

    The method of synthesizing an equal-minor-lobe directivity pattern suggested by Riblet for the broadside array was applied recently by DuHamel to the case of the endfire array. In the present paper, an alternative synthesis procedure is described, based directly on Dolph's method of synthesis for the broadside array. Advantages of this alternative procedure include (a) applicability to arrays havi... View full abstract»

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Aims & Scope

This Transactions ceased publication in 1955. The current retitled publication is IEEE Transactions on Antennas and Propagation.

Full Aims & Scope