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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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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 …


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GuidesArray Rectangular 0.2.14

GuidesArray Rectangular™ allows to execute quick engineering calculations of two-dimensional phased antenna arrays for rectangular waveguides on an electrodynamic level.


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