Robust Power Spectral Density Estimation With a Truncated Linear Order Statistics Filter

• Published in: IEEE journal of oceanic engineering Vol. 50; no. 1; pp. 25 - 30
• Main Authors: Anchieta, David Campos, Buck, John R.
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.01.2025; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Covariance matrices; Estimation; Estimators; Order statistics (OS); Outliers (statistics); Power spectral density; Reactive power; Recording; Robustness; signal processing; spectral estimation; Synthetic data; Time-domain analysis; Transient analysis; Underwater; Underwater acoustics; Variance; Vectors

The background power spectral density (PSD) of underwater acoustic signals carries important information about the environment. However, loud transients from human or natural sources are outliers that undermine the precision and accuracy of PSD estimators, such as Welch's overlapped segment ave...