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 …
[HTML][HTML] Nonlinear time-warping 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 …
Bayesian geoacoustic inversion of single hydrophone light bulb data using warping dispersion analysis
This paper presents geoacoustic inversion of a light bulb implosion recorded during the
Shallow Water 2006 experiment. The source is low frequency and impulsive, the …
Shallow Water 2006 experiment. The source is low frequency and impulsive, the …
Trans-dimensional inversion of modal dispersion data on the New England Mud Patch
This paper presents single receiver geoacoustic inversion of two independent data sets
recorded during the 2017 seabed characterization experiment on the New England Mud …
recorded during the 2017 seabed characterization experiment on the New England Mud …
Range estimation of bowhead whale (Balaena mysticetus) calls in the Arctic using a single hydrophone
Bowhead whales generate low-frequency calls in shallow-water Arctic environments, whose
dispersive propagation characteristics are well modeled by normal mode theory. As each …
dispersive propagation characteristics are well modeled by normal mode theory. As each …
Physics-based time-frequency representations for underwater acoustics: Power class utilization with waveguide-invariant approximation
Time-frequency (TF) analysis of signals propagated in dispersive environments or systems
is a challenging problem. When considering dispersive waveguides, propagation can be …
is a challenging problem. When considering dispersive waveguides, propagation can be …
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 …
Broadband waveform geoacoustic inversions with absolute travel time
Numerical and experimental studies were conducted to investigate the advantage of utilizing
absolute travel time information in Bayesian geoacoustic inversions of broadband acoustic …
absolute travel time information in Bayesian geoacoustic inversions of broadband acoustic …
Waveguide mode amplitude estimation using warping 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 …