BROADBAND SCATTERERS IN NONLINEAR RADAR
Науковий журнал «Радіоелектроніка, інформатика, управління»
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BROADBAND SCATTERERS IN NONLINEAR RADAR |
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Zinchenko, M. V.; National Technical University of Ukraine «Kyiv
Polytechnic Institute», Kiev, Ukraine Zinkovskiy, Yu. F.; National Technical University of Ukraine «Kyiv Polytechnic Institute», Kiev, Ukraine |
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short-range radar, nonlinear radar, probing signal, the nonlinear scatterer simulator, flat double-spiral antenna. |
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The problem of a single nonlinear scatterer simulator introduction for the detection of appointment parameters of nonlinear radars is solved. It is shown that for an objective comparison of nonlinear radars by appointment parameters in the real world it is necessary to take into<br />account the narrowband off-site sources and response of structures «metal-oxide-metal» radiation effect on the dissipated by nonlinear object signal. The regular simulators of scatterers included in the assembly of nonlinear radar, can not be used as reference because they are resonant. It is proposed to use a simulator of a nonlinear scatterer based on flat double-spiral antenna with non-linear matched load, as by broadband and elliptical polarization be effective absorption of the energy of the probing signal with subsequent re-emission weighty in terms of non-linear products as compared with the radiation of a narrowband off-site sources and spectral components of the response of structures «metal-oxidemetal ». Carried out in the «field» conditions, experimental studies have confirmed these benefits over the regular imitator of the proposed calibration scatterers. The measurement for nonlinear radar maximum distance detection of simulators sampling based on flat double-spiral antenna with matched nonlinear load shown a high reproducibility of parameters of scatterers, so one can use them as references. |
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Zaporizhzhya National Technical University 2016-04-15 00:00:00 |
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application/pdf http://ric.zntu.edu.ua/article/view/66400 |
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Radio Electronics, Computer Science, Control; No 1 (2016): Radio Electronics, Computer Science, Control |
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uk |
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Copyright (c) 2016 M. V. Zinchenko, Yu. F. Zinkovskiy |
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