IEEE Antennas and Propagation Magazine

Issue 2 • April 2013

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Displaying Results 1 - 25 of 89
  • [Front cover]

    Publication Year: 2013, Page(s): c1
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  • CST Studio Suite 2013 [advertisement]

    Publication Year: 2013, Page(s): c2
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  • Table of contents

    Publication Year: 2013, Page(s):3 - 5
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  • Information for contributors

    Publication Year: 2013, Page(s): 6
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  • Magazine staff

    Publication Year: 2013, Page(s):7 - 10
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  • AP-S Officers and Administrative Committee

    Publication Year: 2013, Page(s): 11
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  • Feature articles and contributions solicited

    Publication Year: 2013, Page(s): 11
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  • President's message

    Publication Year: 2013, Page(s):12 - 14
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  • 2013 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting

    Publication Year: 2013, Page(s):15 - 28
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  • Research and Development on Phase-Shifting Surfaces (PSSs)

    Publication Year: 2013, Page(s):29 - 48
    Cited by:  Papers (33)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6683 KB) | HTML iconHTML

    Phase-shifting surfaces (PSSs) developed in recent years are reported. Research and development on these phase-shifting surfaces are set in the historical context of prior-art free-standing lensing devices, as well as in the context of recent studies performed by other research groups. In addition, initial work on a phase- and amplitude-shifting surface (PASS), an extension of the phase-shifting s... View full abstract»

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  • Getting the magazine by air freight

    Publication Year: 2013, Page(s): 48
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  • Changes of Address or Delivery Problems

    Publication Year: 2013, Page(s): 48
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  • Investigations of the Effects of Mutual Coupling in Reflectarray Antennas

    Publication Year: 2013, Page(s):49 - 61
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3867 KB) | HTML iconHTML

    In this paper, we investigate the effects of mutual coupling in reflectarray antennas because this remains one of the most critical points in reflectarray design. By including the scattering-matrix effect in the synthesis procedure, we demonstrate that the mutual coupling between the cells affects not only the reradiated phases, but also the magnitude of the reradiated waves, which is the original... View full abstract»

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  • General Analytical Solution for the Dispersion Equation of an Ionized Gas in a Constant Background Magnetic Field

    Publication Year: 2013, Page(s):62 - 76
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3968 KB) | HTML iconHTML

    Understanding how radio waves propagate in the Earth's upper atmosphere requires a model for the conductivity of an ionized gas. A basic linear model requires the solution of three simultaneous vector equations for vi, ve, and vn, respectively the ion, electron, and neutral gas velocities. Of these, vi and ve alone determine the current densit... View full abstract»

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  • An Engineered Conductor for Gain and Efficiency Improvement of Miniaturized Microstrip Antennas

    Publication Year: 2013, Page(s):77 - 90
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4773 KB) | HTML iconHTML

    This paper reviews the concept of an engineered conductor, introduced by the authors in order to reduce ohmic losses of miniaturized microstrip antennas [1-4]. Because of the miniaturization, the ohmic losses of microstrip antennas increase, which essentially significantly reduces their gain and efficiency. By the use of the engineered conductor concept, these two important parameters of such ante... View full abstract»

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  • A Review of the Scattering-Parameter Extraction Method with Clarification of Ambiguity Issues in Relation to Metamaterial Homogenization

    Publication Year: 2013, Page(s):91 - 106
    Cited by:  Papers (46)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2463 KB) | HTML iconHTML

    The scattering-parameter extraction method of metamaterial homogenization is reviewed to show that the only ambiguity is that related to the choice of the branch of the complex logarithmic function (or the complex inverse cosine function). It is shown that the method has no ambiguity for the sign of the wavenumber and intrinsic impedance. While the method indeed yields two signs for the intrinsic ... View full abstract»

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  • Analysis of Broadband Psi (Ψ)-Shaped Microstrip Antennas

    Publication Year: 2013, Page(s):107 - 123
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3329 KB) | HTML iconHTML

    A new Ψ -shaped microstrip antenna is reported, which increased the bandwidth of the E-shaped microstrip antenna by cutting an additional pair of slots on the other radiating edge of the E-shaped patch. The Ψ -shaped patch yielded a bandwidth of nearly 60% at a center frequency of around 5500 MHz. It gave a maximum gain of more than 10 dBi, which reduced to less than 4 dBi towards th... View full abstract»

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  • Slotted Microstrip Antennas for Circular Polarization with Compact Size

    Publication Year: 2013, Page(s):124 - 137
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2843 KB) | HTML iconHTML

    Circularly polarized diagonally symmetric slotted microstrip-patch antennas are proposed with compact size. The compact circularly polarized (CP) diagonally symmetric slotted microstrip-patch (DSSMP) antenna design rules are also summarized. Circularly polarized radiation can be achieved using any arbitrarily shaped slots in diagonal directions on the square microstrip-patch antenna. Different sha... View full abstract»

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  • Creativity in Antenna Research [Guest Editorial]

    Publication Year: 2013, Page(s):138 - 141
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  • In Memoriam: Olof Dahlsjo

    Publication Year: 2013, Page(s): 142
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  • Advertisement: DI Solid/PowderlLiquid Cells

    Publication Year: 2013, Page(s): 143
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  • Chapter News

    Publication Year: 2013, Page(s):144 - 146
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  • Report on the Inaugural IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP)

    Publication Year: 2013, Page(s):147 - 152
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  • A Note from the Distinguished Lecturers' Chair

    Publication Year: 2013, Page(s): 152
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  • IEEE AP-S Chapter and Joint Chairs

    Publication Year: 2013, Page(s): 153
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Aims & Scope

IEEE Antennas and Propagation Magazine actively solicits feature articles that describe engineering activities taking place in industry, government, and universities

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Meet Our Editors

Editor-in-Chief
Mahta Moghaddam