350 rub
Journal Nonlinear World №1 for 2017 г.
Article in number:
Control of parameters of large aperture antenna arrays with using the overflight method and principles of virtual focused apertures
Keywords: virtual aperture focused antenna antenna diagnostics amplitude-phase distribution overflight method
Authors:
D.A. Vedenkin - Ph.D. (Eng.), Associate Professor, Department of Radio Photonic and Microwave Technologies, Kazan National Research Technical University named after A.N. Tupolev E-mail: denis_ved@mail.ru V.I. Klassen - Dr.Sc. (Eng.), Professor, CEO JSC «Radio company «Vector». E-mail: info@vector.ru Yu.E. Sedelnikov - Dr.Sc. (Eng.), Professor, Department of Radio Electronic and Telecommunication Systems, Kazan National Research Technical University named after A.N. Tupolev E-mail: sedhome2013@yandex.ru
Abstract:
Tasks of state control of large aperture antennas, despite the significant number of proposed and practiced approaches, continue to be interesting. The basis of most of them is measurement of the radiation pattern that carried out: 1. The extraterrestrial radiation sources; 2. In the near field or Fresnel zone, followed by converting the measurement data in the antenna directional pattern; 3. Measurement of antenna directional pattern in the far field zone with using flight method. Monitoring the status of the antenna can also be performed by remote antennas determining the aperture distributions according to amplitude and phase measurements in the near field zone using the principle of the virtual focused aperture. It is interesting to consider the possibility of exercising control of large aperture antennas aperture by specifying amplitude and phase distributions from measurements carried out flight method using unmanned aerial vehicles. -Quality - definition of amplitude-phase distribution of antenna array from measurements essentially depends on several factors: the size of the field of electrical measurements, the focal length (i.e., the height of the flight of UAV), step focused grids, etc.
Pages: 32-36
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