L-band printed log-periodic phased array antenna for limited space arrangement
- 1 к.т.н., доцент, , Московский авиационный институт (национальный исследовательский университет) (Москва)
- 2 аспирант, , Московский авиационный институт (национальный исследовательский университет) (Москва)
- 3 д.т.н., профессор, , Московский авиационный институт (национальный исследовательский университет) (Москва)
Abstract
In this article discloses results of L-band linear array antenna\'s numerical simulation. A number of technical problems were met when log-periodic antenna was placed inside of front edge of the aircraft wing. Numerical model was built and used to test some proposed solutions. Construction features of log-periodic array are discussed for reducing radiator\'s dimensions. Placing antenna\'s printed circuit board in a symmetric dielectric layers; dipoles\' shapes modification; antenna\'s arrangement inside of opened U-shape resonator are considered. To optimize radiator\'s structure, target function was built basing on radiator\'s standing wave ratio and gain in operating frequency band. Genetic algorithm was implemented to minimize that target function. Twenty-element array antenna was simulated, which was placed in front edge of the wing. That reduced-size antenna demonstrates 1,0...1,6 GHz bandwidth. Radiators\' matching (SWR) and array pattern of the finite array are presented for different scan angles. Energy and polarization performance are discussed. The array is free of blinding effects. Array antenna design is presented.
How to cite
Ильин Е.В., Милосердов М.С., Темченко В.С. Печатная логопериодическая фазированная антенная решетка L-диапазона, размещенная в ограниченном объеме // Антенны. 2013. № 3. С. 14–21.
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