Radar sensors based on Unmanned Aerial Systems (UAS) poses new challenges in the field of data processing. The fine compensation of Doppler effect is one of this, especially for continuous wave step-frequency (CWSF) radar that typically operates at low pulse repetition frequency (PRF). In this paper the implications of Doppler effect on synthetic aperture radar (SAR) imaging are theoretically investigated and a specific focusing algorithm is proposed. Experimental data, acquired in a controlled but realistic scenario, validate the method.
UAS-borne CWSF SAR imaging: evaluation and compensation of Doppler effect / Alessandra Beni, Lapo Miccinesi, Massimiliano Pieraccini. - ELETTRONICO. - (2023), pp. 0-0. (Intervento presentato al convegno International Radar Conference 2023) [10.1109/RADAR54928.2023.10371049].
UAS-borne CWSF SAR imaging: evaluation and compensation of Doppler effect
Alessandra Beni
;Lapo Miccinesi
;Massimiliano Pieraccini
2023
Abstract
Radar sensors based on Unmanned Aerial Systems (UAS) poses new challenges in the field of data processing. The fine compensation of Doppler effect is one of this, especially for continuous wave step-frequency (CWSF) radar that typically operates at low pulse repetition frequency (PRF). In this paper the implications of Doppler effect on synthetic aperture radar (SAR) imaging are theoretically investigated and a specific focusing algorithm is proposed. Experimental data, acquired in a controlled but realistic scenario, validate the method.
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