Seamless Denoising of SAR Data from the Entire Sentinel-1 Mission

An algorithm for removal of thermal noise from Sentinel-1 synthetic aperture radar (SAR) data, which does not require ESA denoising vectors and does not depend on the backscatter signal is presented. The algorithm can be seamlessly applied to the Sentinel-1 ground range detected products in the cross-polarisation channel from the beginning of the mission. Examples of the algorithm application and impact on the quality of downstream products are presented.