Spectrum analysis of signals group for Doppler shift frequency determination in single target tracking mode

Gennady A. Morozov; Oleg G. Morozov; Alexandra A. Lustina; Andrey V. Maltsev

doi:10.1117/12.2632628

25 July 2022 Spectrum analysis of signals group for Doppler shift frequency determination in single target tracking mode

Gennady A. Morozov, Oleg G. Morozov, Alexandra A. Lustina, Andrey V. Maltsev

Author Affiliations +

Proceedings Volume 12295, Optical Technologies for Telecommunications 2021; 122950J (2022) https://doi.org/10.1117/12.2632628
Event: Nineteenth International Scientific and Technical Conference "Optical Technologies for Communications", 2021, Samara, Russian Federation

Abstract

The article considers typical problems of determining the Doppler frequency shift (DFS) and its sign in continuous-wave radars using microwave photonic technologies in single target tracking mode. The structure of the hardware-software spectrum analyzer and variants of its software for solving the above problems are proposed. The analyzer is functionally universal, however, its main purpose is to solve the problems of determining the magnitude and sign of the DFS when using a microwave photonic device based on tandem single-port amplitude and phase modulators in the radar receiver. For the single-target continuous radar tracking mode, a hardware linear filter method with an oblique frequency response and analysis of pairwise beating frequencies is proposed. The absolute error in determining the DFS by the frequency of information signals depends on the error of beating frequencies (units of Hz).

Citation Download Citation

Gennady A. Morozov, Oleg G. Morozov, Alexandra A. Lustina, and Andrey V. Maltsev "Spectrum analysis of signals group for Doppler shift frequency determination in single target tracking mode", Proc. SPIE 12295, Optical Technologies for Telecommunications 2021, 122950J (25 July 2022); https://doi.org/10.1117/12.2632628

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