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Multichannel Blind Deconvolution: Fir Matrix Algebra And Separation Of Multipath Mixtures
, 1996
"... A general tool for multichannel and multipath problems is given in FIR matrix algebra. With Finite Impulse Response (FIR) filters (or polynomials) assuming the role played by complex scalars in traditional matrix algebra, we adapt standard eigenvalue routines, factorizations, decompositions, and mat ..."
Abstract

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A general tool for multichannel and multipath problems is given in FIR matrix algebra. With Finite Impulse Response (FIR) filters (or polynomials) assuming the role played by complex scalars in traditional matrix algebra, we adapt standard eigenvalue routines, factorizations, decompositions, and matrix algorithms for use in multichannel /multipath problems. Using abstract algebra/group theoretic concepts, information theoretic principles, and the Bussgang property, methods of single channel filtering and source separation of multipath mixtures are merged into a general FIR matrix framework. Techniques developed for equalization may be applied to source separation and vice versa. Potential applications of these results lie in neural networks with feedforward memory connections, wideband array processing, and in problems with a multiinput, multioutput network having channels between each source and sensor, such as source separation. Particular applications of FIR polynomial matrix alg...
Raleigh 1975ON OPTIMAL TESTS FOR SEPARATE HYPOTHESES AND CONDITIONAL PROBABILITY INTEGRAL TRANSFORMATIONS
"... Consider the problem of testing the composite null hypothesis that a random sample Xl' •.., X n is from a parent which is a member of a particular continuous parametric family of distributions against an alternative that it is from a separate family of distributions, It is shown here that in many ca ..."
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Consider the problem of testing the composite null hypothesis that a random sample Xl' •.., X n is from a parent which is a member of a particular continuous parametric family of distributions against an alternative that it is from a separate family of distributions, It is shown here that in many cases a uniformly most powerful similar (UMPS) test exists for this problem, and, moreover, that this test is equivalent to a uniformly most powerful invariant (UMPI) test. It is also seen in the method of proof used that the UMPS test statistic is a function of the statistics U l