Lattice structures for time-variant interpolation problems

The authors derive a recursive solution for a general time-variant interpolation problem of the Hermite-Fejer type, based on a fast algorithm for the recursive triangular factorization of time-variant structured matrices. The solution follows from studying the properties of an associated transmission-line. The line can be drawn as a cascade of first-order lattice sections, where each section is composed of a rotation matrix followed by a storage element and a tapped-delay filter. An application of the recursive algorithm to a so-called model validation (or Caratheodory-Fejer) problem is discussed.

Published in:
Proceedings of the 31st IEEE Conference on Decision and Control, 116-121
Presented at:
31st IEEE Conference on Decision and Control, Tucson, AZ, USA, December 16-18, 1992

 Record created 2017-12-19, last modified 2018-03-17

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