Abstract
While previous chapters were mostly about (fixed, adaptive, and differential) beamforming with some specific array geometries, the discussion in this chapter is on the spatiotemporal signal enhancement problem with any array geometry. By taking into account the interframe correlation, we show how the Kronecker product appears naturally in the definition of the signal vector. Thanks to this, we explain how to perform noise reduction (i.e., signal enhancement) with Kronecker product filters and derive the most well-known algorithms.
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Benesty, J., Cohen, I., Chen, J. (2019). Spatiotemporal Signal Enhancement. In: Array Processing. Springer Topics in Signal Processing, vol 18. Springer, Cham. https://doi.org/10.1007/978-3-030-15600-8_7
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DOI: https://doi.org/10.1007/978-3-030-15600-8_7
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Online ISBN: 978-3-030-15600-8
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