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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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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 ...

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 ...

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



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 …



Characteristics of printed-circuit radiators having circular polarization in a plane phased antenna array



Results of numeric modeling of impedance and polarizational characteristics of single-channel printed-circuit radiator having circular polarization in the base of the antenna array are presented. Possibilities for optimizing the characteristics in the frequency band and scanning angle sector. Proceedings of institutes of MV and SSO USSR. Radioelectronics

Modified: 11/20/2007
Tags: antenna array , modeling , impedance , polarization
Path: Home / Publications / Archives / 2007 / Characteristics of printed-circuit …



Applying integral equations for polarization currents to the analysis of waveguide array with projected dielectric elements



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 ...

Modified: 12/30/2005
Tags: integral equation , polarization , current , analysis , waveguide , antenna array , dielectric
Path: Home / Publications / Archives / 2005 / Applying integral …


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