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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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Numeric modeling of microstrip array antennas out of longitudinal broadband oscillators



The mathematical model of longitudinal printed radiators phased antenna array is developed based on integral equations method of electrodynamics. Numerical results and measurements of broadband microstrip radiators of the phased antenna arrays characteristics are presented. The obtained results can be used at designing the flat phased antenna arrays containing longitudinal printed radiators. Antennas

Modified: 03/27/2008
Tags: modeling , microstrip , antenna array , broadband , oscillator
Path: Home / Publications / Archives / 2008 / Numeric modeling …



Mathematic modeling of the antenna array composed of microstrip radiators above an impedance surface of a generalized cylinder



Asymptotic solution for the diffraction problem on a periodic array of microstrip radiators located above the surface of an infinite generalized cylinder, the curvature radius of which satisfies the condition of slow change along the guide, is considered. By using the matrix reflectivity coefficients, the problem is solved assuming the multilayer isotropic dielectric coating is present. For partial excitation the electric Green tensor function of Maxwell equations is written in closed form, which...

Modified: 11/24/2007
Tags: modeling , antenna array , microstrip , radiator impedance , surface , cylinder
Path: Home / Publications / Archives / 2007 / Mathematic modeling …



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 ...

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



Modeling spherical lens antennas taking into account radiator characteristics



A numerical algorithm for solving the problem of diffraction of electromagnetic waves on a multi-layer dielectric lossy sphere when amplitude-phase distribution of the exciting field is arbitrary is developed. The algorithm is based on representing the field on the source surface as an aggregate of the electrical and magnetic dipoles and reducting the vector problem to two scalar ones for the case of a point source. The results of calculating the directional diagrams and amplifying ratio are compared...

Modified: 01/20/2006
Tags: modeling , spherical , lens , antenna , dipole
Path: Home / Publications / Archives / 2006 / Modeling spherical …


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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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