A Method To Detect And Mitigate Radio Frequency Interference Of Aquarius Data

Large amounts of RFI(Radio Frequency Interference) are observed in the data obtained over East Asia, North America and Europe by L-band missions of SMOS, Aquarius and SMAP etc. Multiple approaches have been proposed to detect and eliminate the RFI signals in the past few decades. This paper focuses on a new potential RFI detection and mitigation method that is based on the Local Outlier Factor (LOF) algorithm. Results on Aquarius L1A data show that a better performance can be obtained by the LOF algorithm compared with the official "glitch detector" method.