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Development of technologies of ultra-short pulse systems of near radar-location on the base of single radar chip

Keywords:

А.B. Borzov – Dr.Sc. (Eng.), Professor, Head of Department «Autonomus Information and Control Systems», Bauman Moscow State Technical University. E-mail: wave@sm.bmstu.ru К.P. Likhoedenko – Dr.Sc. (Eng.), Professor, Bauman Moscow State Technical University G.М. Seregin – Assistent, 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


Technologies of creation of ultrashort pulse transceivers are considered. Ultrashort pulses could be applied for systems of near radar-location for detection of targets with high distance resolution in conditions of jamming. There are a lot of variants of ultrashort pulse transceivers developed in the companies of Russia, China, USA. But XeThru-Novelda radar microchip (Norway) is based on technology of development of transceivers of small sizes for radiating and receiving of ultrashort pulses duration of 300…600 ps. XeThru-Novelda technology has some advantages such as small sizes of transceiver, low level of energy consumption, high level of resolution (3…6 cm). Besides such type of radar microchip (NVA 6100) could be applied for creation of nonjammable radars. The ultrashort pulse with duration 600 ps from output of radar microchip NVA 6100 has been measured and amplitude-frequency spectrum of it has been calculated. Frequency band of measured signal was defined as 0,1…5 GHz. For radiating and receiving 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.
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