"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 6, 2019

contents of issue      DOI  10.30898/1684-1719.2019.6.15    full text in Russian (pdf)  

UDC 621.396.96


Yu. N. Gorbunov 1,2, G. L. Akopyan
Fryasino branch of Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Vvedensky Sq., 1, Fryazino, Moscow region, 141190 Russia

2< MIREA – Russian Technological University, Vernadsky av. 78, Moscow, 119454, Russia

3 JSC "Academitian A.I.Berg Central Research Radio Engineering Institute” , Novaya Basmannaya, 20-9, Moscow 107078, Russia


The paper is received on February 8, 2019, after correction – on May 30, 2019



Abstrsct. The theoretical issues of confrontation between REB and radar systems using complex signals with a large base B = TW 1 are considered, where T and W are the duration and bandwidth of the signal, respectively. As is known, in the radar with the optimal reception of matched filtering is applied. In this case, according to the theory of potential noise immunity, V.A. Kotelnikov achieves a maximum signal-to-noise power ratio at the receiver output equal to  2E/, where E is the signal energy,  is the noise power spectral density of the receiver. In the case of interference - passive and active, created by the REB system, the maximum is never reached. A complex signal with amplitude, frequency, or phase modulation is “scattered” when reflected from a target, represented as a volume-distributed set of “brilliant” points, distributed in range and angular coordinates. Passive interference is distributed locally (point or volume) in the working area of ​​the radar station, and the accidental attack affects individual sectors, causing information damage when receiving radar (coordinate and Doppler) information. Synthesis of signals on the body of uncertainty (only the signal characteristics), is valid for estimating the compression of a signal of one “brilliant” point. The analysis of the reflected signal from the set of “bright points”, representing the object of reflection in the conditions of interference, in which the maximum signal-to-noise ratio   2E/ is not reached, is an actual task. As applied to the synthesis of adaptive radar and REB systems, the article analyzes the conditions for implementing effective radar and REB using spatio-temporal signal processing and decision making - the necessary actions of opposing players seeking to achieve a “saddle” equilibrium situation. The article provides a qualitative analysis of the situations of confrontation between the radar station and the radio-electronic equipment, which consists in assessing possible limitations and partial losses arising in the adaptation of the algorithms for the formation and processing of radar signals and radio-electronic devices that fulfill the conflicting requirements. The article analyzes the use of radar with a fast (pulse) restructuring of the carrier frequency, well-proven when working in areas of single noise, and discusses in detail the limitations of REB radar due to the use of combined active and passive and interference.

Keywords: fast frequency tuning, space-time processing, phased antenna array, randomization, selection of moving targets, spreading of the signal spectrum, passive interference, active interference, combined interference, energy loss.


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For citation:

Yu. N. Gorbunov, G. L. Akopyanr N . Spatial-temporal processing of signals in radar and electronic suppression: limitation of possibilities. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2019. No. 6. Available at http://jre.cplire.ru/jre/jun19/15/text.pdf

DOI  10.30898/1684-1719.2019.6.15