A.V. Zaitsev – Ph.D.(Eng.), Associate Professor, General Director  of Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC

E-mail: info@zavant.ru

V.A. Solovjov – Ph.D.(Eng.), Professor, Head of STD, 

Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC E-mail: info@zavant.ru

E.L. Tsaregorodtsev – Ph.D.(Eng.), Associate Professor, 

Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC E-mail: info@zavant.ru

D.A. Kichulkin – Head of Department of Electronics, 

Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC E-mail: info@zavant.ru

O.O. Krasavtsev – Head of Department of Programming, 

Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC E-mail: info@zavant.ru

S.A. Efremenkov – emploee, Smolensk Scientific and Innovation Center of Radio Electronic Systems «Zavant» LLC E-mail: info@zavant.ru

Currently, the most common are narrowband wireless devices and systems. At the same time, in the last decade’s ultra-wideband radio-engineering devices began to be introduced into practice, which have a number of advantages. These include: a significant increase in the accuracy of the determination of coordinates when used in radar, the achievement of high energy concealment in the creation of data transmission lines and a significant reduction in power consumption when the required range is reached in communication systems. The main disadvantage of ultra-wideband radio engineering devices is their vulnerability to interference from narrowband radio devices. In this connection, the quality indicators filtering of narrowband interference was introduced and investigated. Based on the results of mathematical modeling, the quality criteria for filtering narrow-band interference using notch filters and for pseudo-filtering by limiting the spectrum of received signals by amplitude are determined.

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