Abstract
This research proposes an improved narrowband partial adaptive beamformer analysis using a proposed spherical array. Comparison between the fully and the partial adaptive beamformers is given. The study is performed by investigating performance parameters like the beamformer output signal-to-noise ratio and the beamformer output signal-to-interference-plus-noise ratio both in the steady state and along adaptation. Furthermore, computational complexity and convergence speed of the proposed sensor arrangement are also analyzed and examples are given. The results demonstrate that this beamformer considerably reduces the number of complex operations and features faster convergence speed.
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This work was sponsored by University of Castilla-La Mancha. Cuenca (Spain).
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Torres, A.M., Mateo, J. & Vicente, L.M. Performance analysis of narrowband beamforming using fully and partial adaptive beamformers with a spherical array. Multidim Syst Sign Process 28, 1325–1341 (2017). https://doi.org/10.1007/s11045-016-0398-z
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DOI: https://doi.org/10.1007/s11045-016-0398-z