Automated Signal Analysis for Chirp Reinjections and SAR Images

The airborne radar team at ONERA developed tools to help check the data quality of its ever evolving radars, two of which are being presented here. The first one analyzes chirp reinjections to validate the proper functioning of the radar system, showing graphs of temporal and spectrum data over slow and fast time as well as quantitative measurements of the signal characteristics. The second one extracts information from SAR images and corner reflectors to quantify the quality of the data, geolocalisation and calibration precision, including experimental automated algorithms for parameter estimation. The promising results are to be improved and extended to cover more aspects of scientific data validation.