Mutual coupling in a slotted phased array, infinite in E-plane and finite in H-plane

Scharstein, R.W.

doi:10.1109/8.56954

Cited by 24 publications

(8 citation statements)

References 7 publications

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“…E DGE effects in finite arrays have been studied through the medium of a finite-by-infinite array [1], [2], where the beam is scanned across the finite dimension of the array. Use of colinear or parallel dipoles in the infinite linear arrays allows -plane or -plane scan [2].…”

Section: Introductionmentioning

confidence: 99%

Anomalous edge effects in finite arrays

Hansen

1999

IEEE Trans. Antennas Propagat.

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The regular oscillations in scan impedance (normalized by the infinite array values) that occur across a finite array are uniquely altered in two special cases based on computer simulations of finite-by-infinite arrays. First, dipoles with groundplane at broadside in the E E E-plane, exhibit a slow modulation of the usual oscillations; the period of the modulation varies with dipole radius. For all other cases, the results are insensitive to radius. Second, for a dipole array and lattice spacing and H H H-plane scan angle that allow a grating lobe to appear at 090 the oscillations disappear, except at the rear edge. These phenomena give some indications of the behavior of the pseudotraveling waves in scan impedance.

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Section: Introductionmentioning

confidence: 99%

Anomalous edge effects in finite arrays

Hansen

1999

IEEE Trans. Antennas Propagat.

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“…The accuracy of the infinite array model becomes better as the array size becomes bigger and its validity has been established even for a small 7x7 array [2]. Based on Scharstein's work, [5] we believe that the use of the infinite array model for external mutual coupling employed in the GLISTIN antenna may introduce errors in slot voltages only in the outermost two rows and two columns with minimal error in the input reflection coefficient. Several computer programs were developed to solve the pertinent coupled integral equations for the slot aperture electric field by the method of moments.…”

Section: Theorymentioning

confidence: 95%

Technology Demonstration of Ka-band Digitally-Beam formed Radar for Ice Topography Mapping

Sadowy

Heavey

Möller

et al. 2007

2007 IEEE Aerospace Conference

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GLISTIN (Glacier and Land Ice Surface Topography Interferometer) is a spaceborne interferometric synthetic aperture radar for topographic mapping of ice sheets and glaciers. GLISTIN will collect ice topography measurements over a wide swath with sub-seasonal repeat intervals using a Ka-Band digitally-beamformed antenna. This paper will give an overview of the system design and key technology demonstrations including a Im x Im digitally-beamformed Ka-band waveguide slot antenna with integrated digital receivers. We will also detail the experimental scenario that we will use to demonstrate both the beamforming and interferometric performance of this system. 12

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“…Regarding patterns, however, solutions can be obtained by reciprocity from periodic‐excitation problems, by computing the voltage across the antenna loads of all antennas for plane wave incidence from directions covering the whole upper hemisphere. This approach has for instance been adopted by Craeye and Dardenne [2006] to compute the embedded element patterns in ultrawideband arrays, based on the solution of finite‐by‐infinite arrays [ Scharstein , 1990; Ellgardt and Norgren , 2010]. The latter can be viewed as the solutions from infinite arrays, from which one withdraws the currents induced by the complementary parts of the infinite array [ Denison and Scharstein , 1995], that occupy two semi‐infinite planar arrays (i.e., arrays with one edge only) and supporting the infinite‐array currents.…”

Section: Finite‐array Analysis: From Infinite To Finitementioning

confidence: 99%

A review on array mutual coupling analysis

2011

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An overview about mutual coupling analysis in antenna arrays is given. The relationships between array impedance matrix and embedded element patterns, including beam coupling factors, are reviewed while considering general‐type antennas; approximations resulting from single‐mode assumptions are pointed out. For regular arrays, a common Fourier‐based formalism is employed, with the array scanning method as a key tool, to explain various phenomena and analysis methods. Relationships between finite and infinite arrays are described at the physical level, as well as from the point of view of numerical analysis, considering mainly the method of moments. Noise coupling is also briefly reviewed.

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Mutual coupling in a slotted phased array, infinite in E-plane and finite in H-plane

Cited by 24 publications

References 7 publications

Anomalous edge effects in finite arrays

Anomalous edge effects in finite arrays

Technology Demonstration of Ka-band Digitally-Beam formed Radar for Ice Topography Mapping

A review on array mutual coupling analysis

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