IWAVE-An adaptive filter approach to phase lock and the dynamic characterization of pseudo-harmonic waves.

Autor: Daw EJ; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Hollows IJ; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Jones EL; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Kennedy R; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Mistry T; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Edo TB; Department of Physics and Astronomy, The University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom., Fays M; Department of Astrophysics, Geophysics and Oceanography (GEO), Space sciences, Technologies and Astophysics Research (STAR), Université de Liège, allée du six Auot 19, 4000 Liège, Belgium., Sun L; LIGO Laboratory, California Institute of Technology, Pasadena, California 91125, USA.
Jazyk: angličtina
Zdroj: The Review of scientific instruments [Rev Sci Instrum] 2022 Apr 01; Vol. 93 (4), pp. 044502.
DOI: 10.1063/5.0070394
Abstrakt: We present a novel adaptive filtering approach to the dynamic characterization of waves of varying frequencies and amplitudes embedded in arbitrary noise backgrounds. This method, known as IWAVE (Iterative Wave Action angle Variable Estimator), possesses critical advantages over conventional techniques, making it a useful new tool in the dynamic characterization of a wide range of data containing embedded oscillating signals. After a review of existing techniques, we present the IWAVE algorithm, derive its key characteristics, and provide tests of its performance using simulated and real world data.
Databáze: MEDLINE