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Antenna Array


Antenna array

Complex directional antenna consists of separate near-omnidirectional antennas (radiating elements) positioned in the space and driven by high-frequency …

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Arrays of waveguide radiators are the subject here. The spectral domain method is used extensively. Small finile arrays are solved via equations over the modes and elements. This work is one of the first using multimode spectral analysis. The aim of the book is to create a mathematical tool for analyzing and calculating a wide range of PAAs and also studying their electrodynamic characteristics. The book will not only help to understand the peculiarities of PAA operation, but ...
Modified: 10/02/2010
Tags: theory , analysis , phased , array , antennas
Path: Home / Publications / Books



Approach for the analysis and Q–factor estimates of patch antennas with artificial dielectrics substrates for decimeter and larger wavelengths have been considered. Parameters range not leading to significant normal dispersion have been estimated and treated. Also ...
Modified: 03/30/2008
Tags: antenna , analysis , dispersion
Path: Home / Publications / Archives



... conjugation symbol (6) , — differential phase shift lengthwise OX and OY . f 1 and f 2 functions represent subarray multiplier and possess only the finite data modulo for realizable gain–phase distribution. On the basis of expression analysis (5) it’s possible to develop the follows relation approach of AA and BF for wideband bypassing increase, concerned with radiators interaction (in case then subarrays workspaces are in etch angle sector): — in etch angle sector and given ...
Modified: 03/25/2008
Tags: analysis , transmitting , receiving , broadband , antenna array , AA
Path: Home / Publications / Articles



The infinite array of stepped plane-parallel waveguides with dielectric inserts and projected dielectric elements, excited by TEM-waves is analyzed in this article using the integral equation for electric field (polarization current) in the projected element and field linking method in the horn; the differential equation is solved using the Galerkin method using vector waves of the corresponding resonator as basis and weight functions; numerical results characterizing the suggested algorithm and...
Modified: 12/30/2005
Tags: integral equation , polarization , current , analysis , waveguide , antenna array , dielectric
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The article expresses the conditions that must be met when measuring the radio-locating cross-section of a target in terms of amplitude and incident field phase variation. A number of minimal distance criteria are examined. The analysis of minimal distance for the cases when the antenna has a uniformly lighted square aperture is given, and the relation that binds the minimal distance to the sensitivity of measurements. The measurements of the reflection properties of small targets ...
Modified: 12/17/2005
Tags: measuring , minimal , distance , analysis , reflection
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GuidesArray Circular 0.1.4

GuidesArray Circular™ allows to execute electrodynamic modeling of two-dimensional phased antenna arrays for circular waveguides, using the method of moments.


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