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ISSN 2083-6473
ISSN 2083-6481 (electronic version)
 

 

 

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Tomasz Neumann
 

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TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
www http://www.transnav.eu
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The Selection of Signals for Continuous Wave Radar which Reduce the Sensitivity to Doppler Shift of Frequencies
1 National University “Odessa Maritime Academy”, Odessa, Ukraine
ABSTRACT: The signals with ideal correlation properties are of interest for continuous wave radar. At the same time it?s important to provide low sensitivity to Doppler shifts of frequencies. There were considered signals with special structure due to amplitude modulation which provide capability of radar work with Search and Rescue Transponder (SART). Because the amplitude modulation has a drawback ? not efficient use of signal energy, in a class of proposed signals there were considered signals with uniform amplitude. The mismatched filtering may be used by means special weighting functions for obtaining the necessary correlation properties.
REFERENCES
V. M. Koshevyy, D. O. Dolzhenko. The Selection of Signals which Enable Continuous Wave Radar in Conjunction with Existing SART [in Russian], Navigation (Судовождение), Odessa: ONMA, №21, 2012, pp124-129.
V. M. Koshevyy, D. O. Dolzhenko. The Synthesis of Periodic Sequences with Given Correlation Properties // Proc. of IEEE East–West Design & Test Symposium (EWDTS’11), Sevastopol, Ukraine, September 9–12, 2011. – P. 341 – 344.
V. M. Koshevyy, D. O. Dolzhenko. Selection of Signals for Continuous Wave Radar [in Russian], Automation of ship technical aids, Odessa: ONMA, №18, 2012, pp. 63-73.
V. M. Koshevyy, D. O. Dolzhenko, The Signals of Marine Continuous Radar for Operation with SART, 10th International Navigational Symposium on ”Marine Navigation and Safety of Sea Transportation” TRANS-NAV 2013, Gdynia.
R. C. Titsworth, Correlation properties of cyclic sequences, Ph. D. Thesis, Calif. Inst. Tech., 1962.
V. P. Ipatov, Periodic Discrete Signals with Optimal Correlation Properties, Radio I Svyaz, Moscow,1992.
V. M. Koshevyy, A. O. Shapovalova,Optimization of filters for Periodic Cross-Ambiguity function side lobes suppression under additional constraints [in Russian], Navigation (Судовождение), Odessa: ONMA, №20, 2011, pp. 99-108.
Pat. USA № 3727222.
Citation note:
Koshevoy V.M., Koshevyy I.V., Dolzhenko D.O.: The Selection of Signals for Continuous Wave Radar which Reduce the Sensitivity to Doppler Shift of Frequencies. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 10, No. 1, doi:10.12716/1001.10.01.14, pp. 125-129, 2016

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