Effect of wind turbine micro-Doppler on SAR and GMTI signatures

Rajan Bhalla; Hao Ling

doi:10.1117/12.2050352

29 May 2014 Effect of wind turbine micro-Doppler on SAR and GMTI signatures

Rajan Bhalla, Hao Ling

Proceedings Volume 9077, Radar Sensor Technology XVIII; 907716 (2014) https://doi.org/10.1117/12.2050352
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

In this paper, we present the results of a modeling study to examine the interference effect of microDopplers caused by offshore wind farms on airborne sensors operating in the synthetic aperture radar (SAR) and ground moving target indicator (GMTI) modes. The modeling is carried out by generating CAD instantiations of the dynamic wind turbine and using the high-frequency electromagnetic code Xpatch to perform the scattering calculations. Artifacts in the resulting SAR and GMTI signatures are evaluated for interference with tracking of boats in coastal waters. Results of signal filtering algorithms to reduce the dynamic turbine clutter in both SAR images and GMTI displays are presented.

Citation Download Citation

Rajan Bhalla and Hao Ling "Effect of wind turbine micro-Doppler on SAR and GMTI signatures", Proc. SPIE 9077, Radar Sensor Technology XVIII, 907716 (29 May 2014); https://doi.org/10.1117/12.2050352

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