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IEEE ASSP Magazine

Issue 3 • Date July 1988

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  • Householder transforms in signal processing

    Publication Year: 1988, Page(s):4 - 12
    Cited by:  Papers (38)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3331 KB)

    The author explores Householder transforms and their applications in signal processing. He shows that these transforms can be viewed as mirror-image reflections of a data vector about any desired hyperplane. The virtue of reflections is that they are covariance invariant, that is, they preserve the covariance matrix of the data. One can construct a finite sequence of such reflections that maps a b... View full abstract»

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  • The Verhulst process

    Publication Year: 1988, Page(s):13 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (164 KB)

    In 1845, P.F. Verhulst proposed that, for any given niche, there is a maximum population size, X, that can be supported and that as the population approaches this maximum size, the rate should decrease. If the maximum population size is taken as one, Verhulst postulated that the growth, rate r at time n should be proportional to (1-X/sub n/), i.e., r= lambda (1-X/sub n/) where lambda >0. The dynam... View full abstract»

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Aims & Scope

This Magazine ceased production in 1990. The current retitled publication is IEEE Signal Processing Magazine.

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