A.B. Borzov - Dr. Sc. (Eng.), Professor, Head of Department, Bauman Moscow State Technical University. E-mail: wave@sm.bmstu.ru K.P. Likhoedenko - Dr. Sc. (Eng.), Professor, Bauman Moscow State Technical University. E-mail: wave@sm.bmstu.ru G.M. Seregin - Assistant, Bauman Moscow State Technical University. E-mail: cm5.seregin@gmail.com V.B. Suchkov - Dr. Sc. (Eng.), Professor, Bauman Moscow State Technical University. E-mail: vbsuchkov@yandex.ru

Technology of development of transceivers on the base of radar microchip of small sizes for radiating of ultrashort pulses duration of 300-600 ps is suggested. Ultrashort pulses could be applied for systems of near radar-location by detection of targets with high distance resolution. For radiating of ultrashort pulses development of ultrawideband (UWB) antennas which operated in frequency band of radiating pulse is necessary. It is shown that for systems of near radar-location using of Vivaldi antenna for radiating of ultrashort pulses is acceptable. Digital simulation of ultrawideband (UWB) Vivaldi antenna in the frequency band 2-10 GHz has been carried out using Method of moments (MoM). It is shown that EMSS FEKO 7.0 is acceptable software for calculation of radiating characteristics of UWB antennas. Frequency characteristics of UWB antennas for radiation of ultrashort pulses have been investigated. So technique of digital simulation of frequency characteristics of UWB antenna is developed. Results of simulation of frequency characteristics could be used for definition of radiating electromagnetic fields of systems of near radar location.

 

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