Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2020. No. 7

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DOI  https://doi.org/10.30898/1684-1719.2020.7.2

UDC 621.396.75


Detection and parameter estimation methods for spaceborne SAR signal: a review


A. A. Kanatchikov

Interstate Joint Stock Corporation Vympel, Moscow 125480, Russia


The paper was received on June 19, 2020


Abstract. The article presents the detection and time-frequency parameters estimation methods for spaceborne SAR pulse signal in the context of Space Tracking and Surveillance System. Chirp signal is considered as a model of SAR signals. To create a theoretical basis for the perspective combined algorithm for detecting SAR signals, the paper compares existing detection methods. A brief description of the energy method, the autocorrelation method, the cross-correlation method, is given. The common used methods for chirp analysis, such as the short-time Fourier transform, the Wigner-Wille transform, the fractional Fourier transform, and the chirplet transform, are also discussed. For each method, the advantages and disadvantages are indicated both in terms of detection performance, and in terms of implementation.

Keywords: space monitoring system, signal detection, synthetic aperture radar.


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For citation:

Kanatchikov A.A. Detection and parameter estimation methods for spaceborne SAR signal: a review. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No.7.  https://doi.org/10.30898/1684-1719.2020.7.2