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Recently,adaptive lattice filtering is finding increasing use in a variety of signal processing ap-plications.Lattice structures offer a number of potential advantages over transversal filters.In thispaper starting from the polynomial approximation of the Wiener filtering,the Szego polynomials areintroduced.Then,it is shown that lattice structures could be derived naturally from transversal filters.Furthermore,the principal properties of lattice structures are discussed.Finally,two adaptive latticealgorithms are briefly presented.
Recently, adaptive lattice filtering is finding increasing use in a variety of signal processing ap-applications. Latchice structures offer a number of potential advantages over transversal filters. This paper starting from the polynomial approximation of the Wiener filtering, the Szego polynomials are introduced. Shen, it is shown that the lattice structures could be derived naturally from transversal filters. Stillrther, the principal properties of the lattice structures are discussed. Finkally, two adaptive lattice algorithms are briefly presented.