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IEEE Antennas and Propagation Magazine

Issue 3 • Date June 2010

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Displaying Results 1 - 25 of 69
  • [Front cover]

    Publication Year: 2010, Page(s): c1
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  • [Advertisement]

    Publication Year: 2010, Page(s): c2
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  • Table of contents

    Publication Year: 2010, Page(s): 3
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  • Information for contributors

    Publication Year: 2010, Page(s): 4
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  • Magazine staff

    Publication Year: 2010, Page(s):5 - 6
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  • AP-S Officers and Administrative Committee

    Publication Year: 2010, Page(s): 7
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  • Feature Articles and Contributions Solicited

    Publication Year: 2010, Page(s): 7
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  • Editor's Comments

    Publication Year: 2010, Page(s):8,214 - 217
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  • President's Message

    Publication Year: 2010, Page(s):8 - 9
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  • 2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting

    Publication Year: 2010, Page(s):10 - 13
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  • Membership Application

    Publication Year: 2010, Page(s): 14
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  • Antenna Proximity Effects for Talk and Data Modes in Mobile Phones

    Publication Year: 2010, Page(s):15 - 27
    Cited by:  Papers (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3453 KB) | HTML iconHTML

    Based on a recent study of the ways a phone is held (a grip study), CAD models of the human hand have been generated, and antenna proximity effects for both talk and data modes in mobile phones have been investigated using an FDTD code. The simulation results showed that the hand, and especially the index finger, exhibited a major contribution in determining the total loss when compared to the upp... View full abstract»

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  • Nature-Inspired Design Techniques for Ultra-Wideband Aperiodic Antenna Arrays

    Publication Year: 2010, Page(s):28 - 45
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6074 KB) | HTML iconHTML

    Over the past few decades, much research has been invested in the exploration of wideband and ultra-wideband (UWB) antenna arrays. The goals of such array designs are to determine the best element arrangements, which yield radiation patterns possessing the highest degrees of side lobe suppression, and no grating lobes over the largest possible operating bandwidths. It has been recently shown that ... View full abstract»

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  • Change of address or delivery problems

    Publication Year: 2010, Page(s): 45
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  • Getting the magazine by air freight

    Publication Year: 2010, Page(s): 45
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  • On the Operating Principles of UWB, CPW-Fed Printed Antennas

    Publication Year: 2010, Page(s):46 - 50
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (980 KB) | HTML iconHTML

    The working principles of coplanar-waveguide (CPW) -fed, ultra-wideband (UWB) printed antennas are investigated. The behavior of the current distributions at different frequencies are examined. The modifications in the current distributions when the phase of the currents changes lead us to some conclusions on the behavior of UWB antennas. View full abstract»

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  • Form Invariance of Maxwell's Equations: The Pathway to Novel Metamaterial Specifications for Electromagnetic Reshaping

    Publication Year: 2010, Page(s):51 - 65
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4448 KB) | HTML iconHTML

    We present spatial-coordinate transformation techniques to control the propagation of electromagnetic fields in several surprising and useful applications. The implementation of this approach is based on the fact that Maxwell's equations are form-invariant under coordinate transformations. Specifically, the effect of a general coordinate transformation can be realized by means of an equivalent ani... View full abstract»

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  • The Split-Step-Fourier and Finite-Element-Based Parabolic-Equation Propagation-Prediction Tools: Canonical Tests, Systematic Comparisons, and Calibration

    Publication Year: 2010, Page(s):66 - 79
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3288 KB) | HTML iconHTML

    Powerful propagation-prediction tools, based on the split-step Fourier-transform and the Finite-Element-Method (FEM) solutions of the parabolic equation (PE) are discussed. The parabolic equation represents one-way propagation, and is widely used in two-dimensional (20) groundwave propagation modeling. It takes the Earth's curvature, the atmospheric refractivity variations, non-flat terrain scatte... View full abstract»

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  • Optimal Surface Adjustment by the Error-Transformation Matrix for a Segmented-Reflector Antenna

    Publication Year: 2010, Page(s):80 - 87
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2360 KB) | HTML iconHTML

    Panel-setting errors associated with a segmented primary reflector limit the electrical performance of the antenna. This paper addresses the influence of panel-setting errors on the electrical performance, in order to determine realistic error budgets, and to adjust the reflector-surface accuracy for such antennas. From the viewpoint of electromechanical coupling, an approximate expression for the... View full abstract»

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  • National Radio Science Meeting

    Publication Year: 2010, Page(s):88 - 89
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  • Chapter News

    Publication Year: 2010, Page(s):90 - 91
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  • AP-S Distinguished Lecturer Program for 2009–2010

    Publication Year: 2010, Page(s): 91
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  • Estimation of Gain Enhancement Replacing PTFE by Air Substrate in a Microstrip Patch Antenna [Antenna Designer's Notebook]

    Publication Year: 2010, Page(s):92 - 95
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB) | HTML iconHTML

    An easy estimation of the gain enhancement of a microstrip patch that occurs when a standard PTFE substrate is replaced by air is presented. The theory is verified for a wide range of antenna dimensions, using some measured and simulated data, indicating very close agreement amongst the data. This approach should be very handy and useful to a designer dealing with air-substrate microstrip antennas... View full abstract»

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  • In Memoriam: Allan Walter Love

    Publication Year: 2010, Page(s):96 - 97
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  • [Advertisement]

    Publication Year: 2010, Page(s):98 - 99
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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