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Optical implementation of a quality control algorithm for the removal of nonprecipitation echoes in weather radars

In this paper, we propose the use of optoelectronic joint transform correlator (JTC) and multifractal analysis based quality control (QC) to provide accurate, real-time identification of precipitation in weather data collected from meteorological-radar volume scans. The multifractal based QC algorithm is an objective algorithm that minimizes human interaction. The algorithm utilizes both textural and intensity information obtained from the two lower-elevation reflectivity maps. The multifractal exponents are obtained using the JTC system. Computer simulations are provided to show the effectiveness of this system.