Signal processing via least squares error modeling

作者: J.A. Cadzow

DOI: 10.1109/53.62941

关键词:

摘要: The signal model presently considered is composed of a linear combination basis signals chosen to reflect the basic nature believed characterize data being modeled. are dependent on set real parameters selected ensure that best approximates in least-square-error (LSE) sense. In nonlinear programming algorithms presented for computing optimum parameter selection, emphasis placed computational efficiency considerations. development formulated vector-space setting and uses such fundamental concepts as inner products, range- null-space matrices, orthogonal vectors, generalized Gramm-Schmidt orthogonalization procedure. A running representative signal-processing examples illustrate theoretical well point out utility LSE modeling. These include modeling empirical sum complex exponentials sinusoids, prediction, recursive identification, direction finding. >

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