2008 - Articles - Publications

ElectroDynamic Systems Software Scientific^TM
Radiolocation Systems Research^TM

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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Articles for 2008

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Numerical analysis of level of uncoupling between transmitting and receiving broadband arrays with allowance for beam formers

Tuesday, March 25, 2008 at 12:03AM

V. V. Koryshev, V. I. Chulkov

The principles of constructing antenna arrays (AA) and beam formers (BF) for broadband isolation increase between AA are formulated. The values of isolation levels for cosine and exponential amplitude distributions at the BFD outputs of microstrip broadband array antennas of various sizes are given. It is ascertained that the isolation level for arrays of 20λх20λ can achieve the value of not less than -100 dB within the sector of ±60⁰ angles and within the frequency band with the overlap not less than two.

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