Articles | Volume 16, issue 19
https://doi.org/10.5194/amt-16-4409-2023
https://doi.org/10.5194/amt-16-4409-2023
Research article
 | 
09 Oct 2023
Research article |  | 09 Oct 2023

On the polarimetric backscatter by a still or quasi-still wind turbine

Marco Gabella, Martin Lainer, Daniel Wolfensberger, and Jacopo Grazioli

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Short summary
A still wind turbine observed with a fixed-pointing radar antenna has shown distinctive polarimetric signatures: the correlation coefficient between the two orthogonal polarization states was persistently equal to 1. The differential reflectivity and the radar reflectivity factors were also stable in time. Over 2 min (2000 Hz, 128 pulses were used; consequently, the sampling time was 64 ms), the standard deviation of the differential backscattering phase shift was only a few degrees.