Doppler direction finder J-correlation processing

Authors

  • Анатолий Григорьевич Сорочан Donetsk National Technical University st. Artem, 58, m Donetsk, Ukraine, 83001, Ukraine
  • Дмитрий Александрович Добряк Samsung Ukraine Research & Development Centre (SURC) Business center "101 Tower» st. Leo Tolstoy, 57, Kyiv, Ukraine, 01032, Ukraine
  • Оксана Анатольевна Добряк Samsung Ukraine Research & Development Centre (SURC) Business center "101 Tower» st. Leo Tolstoy, 57, Kyiv, Ukraine, 01032, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.19003

Keywords:

modulation index, spectral component, time delay, Bessel function, correlation detector

Abstract

The paper considers one of the types of a phase direction-finding method - a Doppler single-channel method. Despite of many publications on this issue, a number of important features in the direction-finder operation have not yet been disclosed. In this regard, the comprehensive analysis of signal processing in the direction-finder is conducted, and features of its processing are defined in the paper. It is shown that the presence of statistical relationship of spectral components in the processed signal and the use of J-correlation signal processing eliminates the effect of instability of the phase characteristic of line channel on the result of measurement by the direction-finder. The requirements to the band-pass filter emitting the signal of correlation processing are defined. An exact expression of the output voltage of the direction-finder is obtained, from which the requirements to the correlation detector are defined. The possibility of direction-finder operation both on even and odd harmonics of the antenna rotation frequency is proved. The ways of optimizing the structure of the signal spectrum at the detector output to highlight the required spectral component, containing information on the angular position of the radiation source, and providing the specified measuring accuracy are shown.

Author Biographies

Анатолий Григорьевич Сорочан, Donetsk National Technical University st. Artem, 58, m Donetsk, Ukraine, 83001

Doctor of Technical Sciences, Associate Professor, Professor

Department of Radio Engineering and technical protection of information

Дмитрий Александрович Добряк, Samsung Ukraine Research & Development Centre (SURC) Business center "101 Tower» st. Leo Tolstoy, 57, Kyiv, Ukraine, 01032

Candidate of Science, Leading Engineering

Оксана Анатольевна Добряк, Samsung Ukraine Research & Development Centre (SURC) Business center "101 Tower» st. Leo Tolstoy, 57, Kyiv, Ukraine, 01032

Candidate of Science, Leading Engineering

References

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Published

2013-12-12

How to Cite

Сорочан, А. Г., Добряк, Д. А., & Добряк, О. А. (2013). Doppler direction finder J-correlation processing. Eastern-European Journal of Enterprise Technologies, 6(9(66), 4–8. https://doi.org/10.15587/1729-4061.2013.19003

Issue

Vol. 6 No. 9(66) (2013): Information and control systems

Section

Information and controlling system

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Copyright (c) 2014 Анатолий Григорьевич Сорочан, Дмитрий Александрович Добряк, Оксана Анатольевна Добряк

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