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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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Equations for the electromagnetic field of the arrays of waveguide radiator located on an infinite wedge



The electrodynamic problem of the excitation of arrays of waveguide radiators located on the sides of an infinite ideally conductive wedge taking into account the mutual coupling between the array radiators is solved. The electrodynamic problem of the excitation of arrays of waveguide radiators located on the sides of ...

Modified: 10/03/2010
Tags: equations , electromagnetic , field , arrays , waveguide , radiator , located , infinite , wedge
Path: Home / Publications / Archives / 2010 / Equations for …



Matching waveguide radiators in antenna arrays with broadband and wide-angle scanning



We present a method for matching waveguide radiators used in wide bandwidth phased antenna arrays with wide-scanning angle. In order to achieve matching, the following parameters are used: the geometrical parameters of waveguides, the dielectric parameters of materials inside the waveguides, waveguide ...

Modified: 04/06/2008
Tags: waveguide , radiator , antenna array , broadband , scanning
Path: Home / Publications / Archives / 2008 / Matching waveguide …



Broadband waveguide radiators in phased antenna arrays with circular polarization



It is presented the electrodynamics analysis of complex cross-section waveguide phased-array antennas with dual polarization. Energetic, polarization and frequency characteristics of cross-ridged circular and square waveguides as elements in phased-array antennas with dielectric covers and supports are studied. An analysis chart is introduced to aid the computation of their mode of operation with sector scanning and frequency band. Antennas

Modified: 04/05/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization
Path: Home / Publications / Archives / 2008 / Broadband waveguide …



Broadband waveguide radiators in phased antenna arrays with linear polarization



Phased antenna arrays (PAA) of waveguides with complex cross sections are analyzed in this work. Particularly, the analysis focuses on linearly polarized waveguides with dielectric matching units (inserts, covers and waveguide transformers). The study of power and frequency characteristics of these PAA in scanning sectors is included. An optimization method for the design of this kind of arrays in order to achieve broad frequency band and scanning sectors is also presented. Antennas

Modified: 04/04/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization
Path: Home / Publications / Archives / 2008 / Broadband waveguide …



The diagram of the directivity of a plate oscillator on a screen of finite sizes



A mathematical model of a printed radiator pattern on a screen with finite dimensions is developed. Results of numerical experiments are presented. Antennas

Modified: 03/31/2008
Tags: model , radiator , finite
Path: Home / Publications / Archives / 2008 / The diagram …



Impedance and polarizational characteristics of rectangular printed-circuit radiators in plane phased antenna arrays



This work considers results of research of characteristics of rectangular printed-circuit radiators in plane phased antenna arrays. The research is conducted by using computer modeling and the mathematical model described in [1]. Proceedings of institutes of MV and SSO USSR. Radioelectronics

Modified: 11/23/2007
Tags: impedance , polarization , rectangular , radiator , antenna array
Path: Home / Publications / Archives / 2007 / Impedance and …



Mathematical model and results of research of characteristics of printed-circuit radiators in plane phased antenna arrays



The results of research of characteristics of printed-circuit radiators in a plane phased antenna array is presented, based on the infinite plane antenna array model. Antennas

Modified: 11/05/2007
Tags: model , research , radiator , antenna array
Path: Home / Publications / Archives / 2007 / Mathematical model …



Some problems of synthesis of matching circuits of broadband radiators of phased antenna arrays



Partly systematizes the process of constructing of reactive chains of matching of broadband phased array radiators in the sector of angles and frequency band using Fano-Ula limitations. The given formulae can also be used when designing matching and correcting devices for wide application antennas.

Modified: 11/30/2006
Tags: synthesis , matching , broadband , radiator , antenna array
Path: Home / Publications / Archives / 2006 / Some problems …



Finding the maximum working bank for radiators



... reduced. The characteristics of coordination is assumed to be rectangular and the contact ration can be arbitrary. The received equation expresses the limit of the Chu–Harrington limit for the relative line, coordination level and electrical size of the radiator. The results of computing dependent on the contact ration and electrical size are given as charts and tables. Radio engineering

Modified: 12/29/2005
Tags: radiator , antenna , equation , Chu , Harrington
Path: Home / Publications / Archives / 2005 / Finding the …



Computing the electrodynamical characteristics of horn antennas



The solution to the inner problem of electrodynamics for horn radiators with perfectly conducting plane flange, powered by cylindrical waveguides, is considered. The results of numerical calculations for the pyramidal and sectorial horns powered by the rectangular waveguide are provided. Antennas

Modified: 12/23/2005
Tags: electrodynamic , horn , antenna , radiator
Path: Home / Publications / Archives / 2005 / Computing the …


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GuidesArray Coaxial 0.1.2

GuidesArray Coaxial™ is used by engineers for projecting and exploring the characteristics of two-dimensional periodic phased antenna arrays for coaxial waveguides.


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