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

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v77.i9.10
pages 747-756

PERFORMANCE ANALYSIS OF NARROW BAND FILTER CIRCUITS FOR THE CW DOPPLER RADARS SIGNALS

I. V. Baryshev
National Aerospace University (Kharkiv Aviation Institute), 17 Chkalov St., Kharkiv 61070, Ukraine
K. A. Scherbina
National Aerospace University (Kharkiv Aviation Institute), 17 Chkalov St., Kharkiv 61070, Ukraine
E. P. Msallam
N. Zhukovskiy National Aerospace University (Kharkov Aviation Institute), 17 Chkalov St., Kharkiv, 61070, Ukraine
М. А. Vonsovich
N. Zhukovskiy National Aerospace University (Kharkov Aviation Institute), 17 Chkalov St., Kharkiv, 61070, Ukraine
A. V. Odokienko
National Aerospace University (Kharkiv Aviation Institute), 17 Chkalov St., Kharkiv 61070, Ukraine

ABSTRACT

The comparative analysis of quantitative assessment of filtering by six performance indices of filter circuits of the continuous wave Doppler signal of 1-st order PLL, second order PLL, FLL with narrow-band filter circuit quadrature FM-detector based on synchronized oscillator with forced frequency tuning is carried out. The total overage performance indices of the circuit with SG exceeded any of the compared indices by 1.5 times, with a tenfold increase in separate parameters. At the same time the method of indices calculation of filter circuits with SG is developed and sample calculation formulas are obtained.


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