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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v70.i20.10
pages 1797-1812

BISPECTRUM-BASED TIME-FREQUENCY DISTRIBUTIONS USED FOR MOVING TARGET RECOGNITION IN GROUND DOPPLER SURVEILLANCE RADAR SYSTEMS

A. V. Totsky
National Aerospace University (Kharkiv Aviation Institute), 17, Chkalov St., Kharkiv, 61070, Ukraine
P. A. Molchanov
National Aerospace University, Chkalova Str. 17,61070, Kharkiv, Ukraine
G. I. Khlopov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. Ye. Morozov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura Str., Kharkiv 61085, Ukraine

要約

A problem of automatic recognition and classification the moving ground radar targets by using time-frequency distributions (TFDs) evaluated for the non-stationary backscattered signals is considered. Results of experimental investigations performed by coherent Doppler radar operating in the millimeter range of wavelengths and continuous mode are represented. Comparative analysis of automatic target recognition (ATR) system performances is executed for the target classification features extracted from several types of TFDs formed by different techniques and for different making decision rules. The benefits provided by bispectrum-based estimation of the fine structure in the backscattered signals are demonstrated.


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