Coherence CLEAN-SC (C–CLEAN-SC) phased array processing for coherent sound source localization

Deconvolution methods are commonly used to improve the performance of phased array beamforming for sound source localization. However, for coherent sources localization, existing deconvolution methods are either highly computationally demanding or sensitive to parameters. A deconvolution method, based on modifications of Clean based on Source Coherence (CLEAN-SC), is proposed for coherent sources localization. This method is called Coherence CLEAN-SC (C–CLEAN-SC). C–CLEAN-SC is able to locate coherent and incoherent sources in simulation and experimental cases. It has a high computational efficiency and does not require pre-set parameters.