Parameterised time-frequency analysis methods and their engineering applications: A review of recent advances
It is well known that time-frequency analysis (TFA) characterises signals in time-frequency
plane. Theoretically, traditional non-parameterised TFA can analyze any signal, but it is …
plane. Theoretically, traditional non-parameterised TFA can analyze any signal, but it is …
Nonlinear time-war** made simple: A step-by-step tutorial on underwater acoustic modal separation with a single hydrophone
Classical ocean acoustic experiments involve the use of synchronized arrays of sensors.
However, the need to cover large areas and/or the use of small robotic platforms has evoked …
However, the need to cover large areas and/or the use of small robotic platforms has evoked …
Characterizing the seabed in the Straits of Florida by using acoustic noise interferometry and time war**
Interferometry of ambient and ship** noise in the ocean provides a way to estimate
physical parameters of the seafloor and the water column in an environmentally friendly …
physical parameters of the seafloor and the water column in an environmentally friendly …
Bayesian environmental inversion of airgun modal dispersion using a single hydrophone in the Chukchi Sea
This paper presents estimated water-column and seabed parameters and uncertainties for a
shallow-water site in the Chukchi Sea, Alaska, from trans-dimensional Bayesian inversion of …
shallow-water site in the Chukchi Sea, Alaska, from trans-dimensional Bayesian inversion of …
Sequential inversion of modal data for sound attenuation in sediment at the New Jersey Shelf
R Duan, N Ross Chapman, K Yang… - The Journal of the …, 2016 - pubs.aip.org
This paper presents a method for estimating bottom geoacoustic properties especially the
sediment attenuation from information contained in normal modes of a broadband signal …
sediment attenuation from information contained in normal modes of a broadband signal …
[HTML][HTML] Passive acoustic characterization of sub-seasonal sound speed variations in a coastal ocean
TW Tan, OA Godin - The Journal of the Acoustical Society of America, 2021 - pubs.aip.org
Acoustic noise interferometry is applied to retrieve empirical Green's functions (EGFs) from
the ambient and ship** noise data acquired in the Shallow Water 2006 experiment on the …
the ambient and ship** noise data acquired in the Shallow Water 2006 experiment on the …
Waveguide mode amplitude estimation using war** and phase compensation
In shallow water, low-frequency propagation can be described by modal theory. Acoustical
oceanographic measurements under this situation have traditionally relied on spatially …
oceanographic measurements under this situation have traditionally relied on spatially …
High-order synchroextracting chirplet transform for accurate instantaneous frequency estimation and its application in fault diagnosis of rotary machinery
Time-frequency analysis (TFA) technology is an effective tool for extracting time-varying
characteristics of a signal, but for strong AM-FM signals, time-frequency representation …
characteristics of a signal, but for strong AM-FM signals, time-frequency representation …
Mode separation with one hydrophone in shallow water: A sparse Bayesian learning approach based on phase speed
An approach of broadband mode separation in shallow water is proposed using phase
speed extracted from one hydrophone and solved with sparse Bayesian learning (SBL). The …
speed extracted from one hydrophone and solved with sparse Bayesian learning (SBL). The …
Bottom attenuation coefficient inversion based on the modal phase difference between pressure and vertical velocity from a single vector sensor
An inversion scheme based on time-war** is presented for estimating the attenuation
coefficient of a sediment bottom using a single vector sensor, restricted to shallow water and …
coefficient of a sediment bottom using a single vector sensor, restricted to shallow water and …