Using the matrix pencil method to solve phase unwrapping

Authors:
G. Nico;J. Fortuny
Affiliations:
Instituto di Radioastronomia, Consiglio Nazionale delle Ricerche, Matera, Italy;-
Venue:
IEEE Transactions on Signal Processing
Year:
2003

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Abstract

This correspondence presents a phase unwrapping (PU) algorithm based on the matrix pencil (MP) method. A brief discussion is given on the relationship between PU and instantaneous frequency estimation. The PU algorithm and its properties are presented in detail. Results show a significant improvement in PU with respect to previous algorithms.