Abstract
The minimum Bhattacharyya distance estimator (MBDE) for acoustic source bearing estimation was recently proposed as a promising tool to tackle the model mismatch challenge. Previous work lacks the experimental studies using the real-life array system data. Towards the practical use of MBDE, this letter proposes two practical schemes to address the unavailability of noise and source powers, presents the additional simulation results on resolving the closely spaced sources with different strengths, and performs real-world experimental studies using the SwellEx-96 data. Simulation and experimental results demonstrate the superior performance of the MBDE over other competitors.
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