Zhurnal Radioelektroniki - Journal of Radio Electronics. ISSN 1684-1719. 2020. No. 2
Contents

Full text in Russian (pdf)
 Russian page

 

DOI  10.30898/1684-1719.2020.2.7

UDC 519.248

Integrated accuracy assessment of short-term reliability forecast of radio systems

 

Yu. V. Vasilkov 1, A. V. Timoshenko 2, V. A. Sovetov 3

1 Yaroslavl State Technical University, Moscovskiy pr., 88, Yaroslavl 150023, Russia

2 Academician A. L. Minz Radiotechnical Institute, 8 Marta str., 10-1, Moscow 127083, Russia

3 Yaroslavl Higher Military School of Air Defense, Moscovskiy pr., 28, Yaroslavl 150001, Russia

The paper is received on February 3, 2020

Abstract. The work is devoted to the problem of short-term forecasting of the operability of a radio engineering system based on information obtained in the process of its functioning. To generate diagnostic information, one time series is formed, the value of which at various points in time is determined by the sum of failures of the entire system and its individual components. The analysis of such a scalar series will significantly reduce the time for diagnosing possible failures. Processing this diagnostic series in order to obtain the necessary information about the state of the system and its individual parts is carried out using spectral analysis and frequency digital filtering. The article shows the possibility of isolating trends from the general integrated series of various components: linear and harmonic (from sinusoidal components and rectangular pulses) trends, which reduces the number of analyzed information channels, improves the efficiency of generating information about the state of the system and the reliability of short-term forecasting. The influence of the number of points in the time series, the autocorrelation coefficient of the ordinates of the time series, the presence of separate various short harmonic components, and the possibility of their separation from the integral diagnostic time series are estimated. Recommendations for the organization of short-term forecasting of the investigated components of the diagnostic series are given.

Keywords: time series, diagnostic series, spectral analysis, frequency filtering, forecasting, harmonic and linear trends.

References

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For citation:

Yu. V. Vasilkov, A. V. Timoshenko, V. A. Sovetov. Integrated accuracy assessment of short-term reliability forecast of radio systems. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No. 2. Available at http://jre.cplire.ru/jre/feb20/7/text.pdf

DOI  10.30898/1684-1719.2020.2.7