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Antennas and Propagation, IEEE Transactions on

Issue 12 • Date Dec. 1996

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Displaying Results 1 - 18 of 18
  • 1996 Antennas and Propagation Society Awards APS Distinguished Achievement Award

    Publication Year: 1996
    Save to Project icon | Request Permissions | PDF file iconPDF (140 KB)  
    Freely Available from IEEE
  • APS Prize Paper Awards S.A. Schelkunoff Transactions Prize Paper Award

    Publication Year: 1996
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    Freely Available from IEEE
  • H.A. Wheeler Applications Prize Paper Award

    Publication Year: 1996
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    Freely Available from IEEE
  • R.W.P. King Award

    Publication Year: 1996
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    Freely Available from IEEE
  • IEEE Fellow Awards

    Publication Year: 1996
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    Freely Available from IEEE
  • 1996 Index IEEE Transactions on Antennas and Propagation Vol. 44

    Publication Year: 1996
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    Freely Available from IEEE
  • Resonances of perfectly conducting wires and bodies of revolution buried in a lossy dispersive half-space

    Publication Year: 1996 , Page(s): 1575 - 1583
    Cited by:  Papers (38)  |  Patents (10)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (904 KB)  

    The method of moments (MoM) is utilized to compute the complex resonant frequencies and modal currents of perfectly conducting wires and bodies of revolution buried in a lossy dispersive half space. To make such an analysis tractable computationally, the half-space Green's function is computed via the method of complex images, with appropriate modifications made to account for the complex frequenc... View full abstract»

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  • An improved impedance-boundary algorithm for Fourier split-step solutions of the parabolic wave equation

    Publication Year: 1996 , Page(s): 1592 - 1599
    Cited by:  Papers (76)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (752 KB)  

    A new implementation of the previously published mixed Fourier transform (MFT) method for including impedance boundaries in split-step parabolic equation solutions is described and demonstrated. The new algorithm is formulated entirely in the discrete domain which results in extended applicability and increased computation speed. A brief review of the original MFT solution is followed by a detaile... View full abstract»

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  • Prediction of tropospheric amplitude scintillation on a satellite link

    Publication Year: 1996 , Page(s): 1600 - 1608
    Cited by:  Papers (20)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (652 KB)  

    Semi-empirical models are presented for annual and worst-month distributions of scintillation fades, enhancements, peak-to-peak amplitude excursions, and intensity. The models utilize the well-known theoretical scaling of scintillation with signal frequency, antenna diameter, and path-elevation angle, and its empirical dependence on the wet term of atmospheric refractivity. Dependence on time perc... View full abstract»

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  • On the feasibility of impulse reflection response data for the two-dimensional inverse scattering problem

    Publication Year: 1996 , Page(s): 1551 - 1564
    Cited by:  Papers (10)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1336 KB)  

    Layer stripping algorithms for inverse scattering problems are very fast but have the reputation of being numerically unstable, especially when applied to noisy data. The goal of this paper is to provide an explicitly discrete framework for layer stripping algorithms for the two-dimensional (2-D) Schrodinger equation inverse scattering problem. We determine when 2-D layer stripping algorithms are ... View full abstract»

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  • Array failure correction with a digitally beamformed array

    Publication Year: 1996 , Page(s): 1543 - 1550
    Cited by:  Papers (34)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (748 KB)  

    A technique is presented for replacing the signals from failed elements in a digitally beamformed receive array. The technique is shown to be useful in a multiple signal environment and does not impose special restrictions on the correlation properties of the received signals. Experimental data confirm the operation of this algorithm for the case of one signal and one interfering source. The techn... View full abstract»

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  • Electrostatic “fractional” image methods for perfectly conducting wedges and cones

    Publication Year: 1996 , Page(s): 1565 - 1574
    Cited by:  Papers (16)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (976 KB)  

    Engheta (1996) introduced a definition for the electric charge “fractional-order” multipoles using the concept of fractional derivatives and integrals. Here, we utilize that definition to introduce a detailed image theory for the two-dimensional (2-D) electrostatic potential distributions in front of a perfectly conducting wedge with arbitrary wedge angles, and for the three-dimensiona... View full abstract»

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  • Rigorous evaluation of the input impedance of a sleeve monopole by modal-expansion method

    Publication Year: 1996 , Page(s): 1584 - 1591
    Cited by:  Papers (34)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (624 KB)  

    A rigorous modal-expansion analysis is developed for obtaining the current distribution and input impedance of a sleeve-monopole antenna fed through an infinite ground plane by a coaxial line. A “perfectly matched boundary,” which is simply the combination of an electric wall and a magnetic wall, is initially proposed to facilitate the modal-expansion analysis. The walls are parallel t... View full abstract»

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  • Sequential and parallel implementations of the partitioning finite-element method

    Publication Year: 1996 , Page(s): 1609 - 1616
    Cited by:  Papers (11)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (944 KB)  

    With the computational capabilities of parallel computers, we should investigate new methods which have performance advantages on parallel computers even if they are not faster than conventional methods on sequential computers. One such method is the partitioning finite-element method (FEM). In this paper, we consider the implementation of the partitioning FEM on both the Gray Y-MP and the Intel T... View full abstract»

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  • Coma correction of a wobbling subreflector

    Publication Year: 1996 , Page(s): 1642 - 1643
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (212 KB)  

    Radio astronomical observations at millimeter wavelengths with Cassegrain telescopes often use on-source/off-source measurements with a wobbling subreflector to eliminate the influence of the Earth's atmosphere. The tilt of the subreflector produces the required beam throw, but also a coma-like wavefront deformation noticeable as a degradation of the beam pattern and a reduction of the main beam p... View full abstract»

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  • Mixed-field hybrid FEM/BEM formulation for two-dimensional TE radiation and scattering by resistive strips

    Publication Year: 1996 , Page(s): 1640 - 1641
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (192 KB)  

    A new mixed-field, hybrid finite-element method (FEM) (E-field)/BEM (H-field) formulation is presented for modeling the two-dimensional (2-D) radiation and scattering from scatterers comprised with inhomogeneous materials including resistive cards and perfectly electrically conducting (PEC) strips for the TE polarization. Using the usual H-field formulation leads to the requirement for the use of ... View full abstract»

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  • An anisotropic perfectly matched layer-absorbing medium for the truncation of FDTD lattices

    Publication Year: 1996 , Page(s): 1630 - 1639
    Cited by:  Papers (570)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (816 KB)  

    A perfectly matched layer (PML) absorbing material composed of a uniaxial anisotropic material is presented for the truncation of finite-difference time-domain (FDTD) lattices. It is shown that the uniaxial PML material formulation is mathematically equivalent to the perfectly matched layer method published by Berenger (see J. Computat. Phys., Oct. 1994). However, unlike Berenger's technique, the ... View full abstract»

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  • An equivalent boundary-condition model for lossy planar periodic structures at low frequencies

    Publication Year: 1996 , Page(s): 1617 - 1629
    Cited by:  Papers (20)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1148 KB)  

    An equivalent boundary-condition model is presented for planar periodic scatterers which, through an effective homogenization, accurately predicts the scattering at low frequencies (i.e., in the absence of higher ordered Floquet harmonics or grating lobes). This new anisotropic resistive boundary-condition model provides accurate wide-angle results for one- (1-D) and two-dimensional (2-D) periodic... View full abstract»

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Aims & Scope

IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas.

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Meet Our Editors

Editor-in-Chief                                                 Kwok W. Leung