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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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... array radiators is solved. Boundary conditions are formulated on the basis of the general electrodynamic model, the problem is defined, and the common integral relations (obtained by N.V. Kovalenko) of the methods of the tensor Green function, TE and TM fields are given. Then these relations are written down for arrays of waveguide radiators located on an infinite wedge. The integral relations for an infinite wedge are used to deduce systems of linear equations where unknowns are the complex amplitudes ...
Modified: 10/03/2010
Tags: equations , electromagnetic , field , arrays , waveguide , radiator , located , infinite , wedge
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In section of “Publications-Archive” the “Equations for the electromagnetic field of the arrays of waveguide radiator located on an infinite wedge” archival article is published. Author: E. M. Privalov . In the article the electrodynamic problem of the excitation of arrays of waveguide radiators located on the sides of an ...
Modified: 10/03/2010
Tags: equations , electromagnetic , field , arrays , waveguide , radiator , located , infinite , wedge
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... represented. The mathematical model of a reflectarray allows introducing into a construction of each microstrip element some shunts with controllable loads. It is shown, that due to shunts it is possible to control amplitude and phase of a scattering fields. Antennas
Modified: 03/28/2008
Tags: model , microstrip , antenna array , field
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... following notation: — covariant components of tensor of the used coordinate system , , , g — determinant of metric tensor, (3) where , — metric tensor on the S surface. Heterogeneous Maxwell equations written for covariant coordinates of vector field (dependency on time is specified as ), have as it is known the following form: (4а) where n , k — "dead" indices, — contravariant Levy−Civita pseudotensor, — covariant components of metric tesnor, g — module of determinant ...
Modified: 04/19/2007
Tags: iterative , method , calculation , electromagnetic , field , conformal , antenna array , AA
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In the paper, the solution method for the problem of electromagnetic waves scattering by cylinder bodies is given. The method is based on 2*pi-periodicity property of functions describing the parameters and distributions of fields and currents on cylinder bodies. The method advantage is the possibility of physical interpretation of results. The example of the proposed method application is given. Mathematical modeling of physical processes. Electromagnetic waves and electronic ...
Modified: 03/26/2007
Tags: electromagnetic wave , field , current
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The principal directions of radio absorbing materials and coatings used to solve the problems of scattered fields management are considered in the paper. The review of the basic methods of the task solution for the bodies of arbitrary geometry with radio absorbing materials and coating is given. The review is based on the use of impedance boundary conditions ...
Modified: 12/07/2006
Tags: diffraction , field , impedance , boundary
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It is proved that when the primary incident field in a lossy medium is fixed, the power drawn by the antenna is finite. It is not necessary to limit the direction of the receiving antenna, unlike the case of a lossless medium when this is required to get a finite maximum. The formulas for deriving ...
Modified: 12/09/2005
Tags: power , antenna , field , mode
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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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