An analysis of interpolation via least squares (LS) methods with emphasis on numerical solutions and an overview of LS signal modeling with emphasis on sub-space methods are presented. From this, an interpolation technique based on LS signal modeling is derived that benefits from the close relationship of the other two methods. Decoupling and iterative algorithms for the solution of the resulting equation system and the relationship to polyphase filtering will be presented.

Author: Boltze, Thomas
Affiliation: Hamburg University of Technology, Hamburg, Germany
AES Convention: 99 (October 1995) Paper Number: 4101
Publication Date: October 1, 1995
Subject: Digital Signal Processing

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