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- W1415374537 abstract "In this paper, we show that the paraunitary (PU) matrices that arise from the polynomial eigenvalue decomposition (PEVD) of a parahermitian matrix are not unique. In particular, arbitrary shifts (delays) of polynomials in one row of a PU matrix yield another PU matrix that admits the same PEVD. To keep the order of such a PU matrix as low as possible, we propose a row-shift correction. Using the example of an iterative PEVD algorithm with previously proposed truncation of the PU matrix, we demonstrate that a considerable shortening of the PU order can be accomplished when using row-corrected truncation." @default.
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- W1415374537 date "2015-08-01" @default.
- W1415374537 modified "2023-10-06" @default.
- W1415374537 title "Row-shift corrected truncation of paraunitary matrices for PEVD algorithms" @default.
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- W1415374537 doi "https://doi.org/10.1109/eusipco.2015.7362503" @default.
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