E.I. Chernov – Dr.Sc.(Eng.), Professor, Department «Information-Measuring and Biomedical Technology»,  Ryazan State Radio Engineering University

E-mail: instpi@yandex.ru

N.E. Sobolev – Leading Engineer, 

JSC «Ryazan Design Bureau «Globus»

E-mail: fanasm@yandex.ru

V.A. Stepanov – Professor, Department of General and Theoretical Physics, 

Ryazan State University named for S. Yesenin

E-mail: vl.stepanov@rsu.edu.ru

The problem of isolation of a useful signal from noise for the case of signal processing with a finite time interval is considered. The aim of this work is to develop an algorithm for the implementation of the method of mirror noise images for radio measuring devices and systems. The essence of the method of mirror noise images is a one-time allocation of the main signal in the spectrum of the useful signal and additional noise signals outside this spectrum, by which a noise compensation signal is formed in the spectrum of the useful signal. This allows the signal-to-noise ratio to be higher than the values corresponding to narrowband signal filtering. The proposed approach opens up additional opportunities for the development of measuring equipment with previously unattainable accuracy characteristics.

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