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IEEE Antennas and Propagation Magazine

Issue 3 • Date June 2007

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  • Front cover - IEEE Antennas and Propagation Magazine

    Publication Year: 2007, Page(s): c1
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  • Table of contents

    Publication Year: 2007, Page(s): 3
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  • Information for contributors

    Publication Year: 2007, Page(s): 4
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  • Magazine Staff

    Publication Year: 2007, Page(s):5 - 6
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  • AP-S Officers and Administrative Committee

    Publication Year: 2007, Page(s): 7
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  • A New Member Benefit - But You Must Choose it When Renewing! [Editor's Comments]

    Publication Year: 2007, Page(s):8 - 250
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  • Call For Papers - 2008 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting

    Publication Year: 2007, Page(s): 10
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  • Instructions for AP-S and URSI Authors

    Publication Year: 2007, Page(s): 11
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  • IEEE Antennas and Propagation Society Digital Archive

    Publication Year: 2007, Page(s): 12
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  • Radar Scattering and Target Imaging Obtained Using Ramp-Response Techniques

    Publication Year: 2007, Page(s):13 - 27
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8882 KB) | HTML iconHTML

    The response from targets illuminated by a transient plane wave the time dependence of which takes the form of a ramp function has been used to generate signatures for conductive and penetrable targets. Modified geometrical profile functions of various targets are used to generate their ramp response, which in turn is used to evaluate their scattered fields as a function of frequency. In early tim... View full abstract»

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  • The Characterization of Conductive Textile Materials Intended for Radio Frequency Applications

    Publication Year: 2007, Page(s):28 - 40
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (9346 KB) | HTML iconHTML

    Antennas constructed in part from conductive textile materials (also known as e-textiles) by means of standard textile manufacturing techniques are currently receiving increasing attention from antenna theorists and antenna manufacturers alike. However, due mostly to the unique fabrication methods employed, these novel materials cannot be treated as simple, equivalent substitutes for the more-conv... View full abstract»

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  • Antennas and propagation for on-body communication systems

    Publication Year: 2007, Page(s):41 - 58
    Cited by:  Papers (225)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (12465 KB) | HTML iconHTML

    On-body communication channels are of increasing interest for a number of applications, such as medical-sensor networks, emergency-service workers, and personal communications. This paper describes investigations into channel characterization and antenna performance at 2.45 GHz. It is shown that significant channel fading occurs during normal activity, due primarily to the dynamic nature of the hu... View full abstract»

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  • How to Create Complex FDTD FORTRAN and C Codes Simply with MATHEMATICA

    Publication Year: 2007, Page(s):59 - 67
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    In this paper, we show how the symbolic capabilities of the commercial package MATHEMATICA can be used to facilitate the generation of FORTRAN and C codes to solve Maxwell's differential equations in the time domain with finite-difference schemes. View full abstract»

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  • A Pattern-Reconfigurable Planar Fractal Antenna and its Characteristic-Mode Analysis

    Publication Year: 2007, Page(s):68 - 75
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4540 KB) | HTML iconHTML

    A compact pattern-reconfigurable planar fractal antenna is presented. Simulated and measured results showed that four switchable directional patterns, covering ranges from 300deg to 360deg and from 0deg to 60deg in the x-z and y-z planes, respectively, could be obtained around 8.4 GHz. The return losses were better than 10 dB. Finally, the pattern reconfigurability of the planar fractal antenna is... View full abstract»

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  • Visualizations of Wave Dynamics in a Wedge Waveguide with Non-Penetrable Boundaries: Normal-, Adiabatic-, and Intrinsic-Mode Representations

    Publication Year: 2007, Page(s):76 - 94
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (10811 KB) | HTML iconHTML

    Many natural or man-made guiding environments are characterized by physical parameters that render the wave equation non-separable in any of the standard coordinate systems. In particular, in the absence of transverse-longitudinal separability, it is not possible to define discrete or continuous normal modes (NM) that individually satisfy the transverse boundary conditions and that propagate longi... View full abstract»

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  • The Experimental System PALES: Signal Separation with a Multibeam-System Based on a Rotman Lens

    Publication Year: 2007, Page(s):95 - 107
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8614 KB) | HTML iconHTML

    The experimental system PALES is described: a multi-functional array antenna in the X band with broadband beamforming by a Rotman lens. Studies that have been conducted about possible broadband antenna elements have implied the use of flared-notch antennas (Vivaldi antennas), which are specified in the paper. A short description of the Rotman lens design used is given. The receiver branch of the P... View full abstract»

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  • National Radio Science Meeting

    Publication Year: 2007, Page(s):108 - 109
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  • Call for Papers

    Publication Year: 2007, Page(s): 110
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  • The Third IWAT ('07) in Cambridge: A Real Charmer

    Publication Year: 2007, Page(s):111 - 114
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  • Chapter News

    Publication Year: 2007, Page(s):116 - 118
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  • AP-S Distinguished Lecturer Program for 2006-2007

    Publication Year: 2007, Page(s): 119
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  • 11th International Conference MMET*2006

    Publication Year: 2007, Page(s):120 - 124
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4266 KB) | HTML iconHTML

    First Page of the Article
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  • In Memoriam: Walter Rotman, Antenna Pioneer

    Publication Year: 2007, Page(s): 125
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  • Performance Analysis of Small Tuned Transmitting Loop Antennas Evaluated by Experiment and Simulation [Antenna Designer's Notebook]

    Publication Year: 2007, Page(s):128 - 132
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3079 KB) | HTML iconHTML

    Frequency-swept input-impedance measurements to determine Q factors and field strengths for an electrically small tuned transmitting loop antenna in its operating environment have recently been made. These observational results are compared with numerical modeling by the computational electromagnetic code NEC-4D, since the validity of this code to simulate the performance of electrically small loo... View full abstract»

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  • A Novel Method for High-Power Thermal Vacuum Testing of Satellite Payloads Using Pickup Horns

    Publication Year: 2007, Page(s):134 - 145
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (8048 KB) | HTML iconHTML

    This paper presents the development of a novel method for high-power thermal vacuum (TVAC) testing of satellite payloads using pickup horns (PUH). It describes the design, manufacture, and qualification results for a Ku-band pickup horn, followed by high-power thermal vacuum test results of a Ku-band satellite for fixed satellite service. Based on the successful demonstration of this method, a gen... View full abstract»

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

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Editor-in-Chief
Mahta Moghaddam