Fanise P. auteur aut IRD Pardé M. auteur aut IRD Zribi Mehrez auteur aut IRD Dechambre M. auteur aut IRD Caudoux C. auteur aut IRD text journalArticle eng text/pdf born digital access A method to identify and mitigate radio frequency interference (RFI) in microwave radiometry based on the use of a spectrum analyzer has been developed. This method has been tested with CAROLS L-band airborne radiometer data that are strongly corrupted by RFI. RFI is a major limiting factor in passive microwave remote sensing interpretation. Although the 1.400-1.427 GHz bandwidth is protected, RFI sources close to these frequencies are still capable of corrupting radiometric measurements. In order to reduce the detrimental effects of RFI on brightness temperature measurements, a new spectrum analyzer has been added to the CAROLS radiometer system. A post processing algorithm is proposed, based on selective filters within the useful bandwidth divided into sub-bands. Two discriminant analyses based on the computation of kurtosis and Euclidian distances have been compared evaluated and validated in order to accurately separate the RF interference from natural signals. specialized RFI CAROLS L-band radiometry 126 11 3 3037-3050 2011 1424-8220 https://www.documentation.ird.fr/hor/fdi:010053430 10.3390/s110303037 1424-8220 [F B010053430] https://www.documentation.ird.fr/hor/fdi:010053430 https://www.documentation.ird.fr/intranet/publi/2011/04/010053430.pdf Accès réservé (Intranet de l'IRD) IRD - Base Horizon / Pleins textes 2011-05-02 2017-08-23 fdi:010053430 fre