Objective detection and time-frequency localization of components within transient signals
(2018) In Journal of the Acoustical Society of America 143(4). p.2368-2378- Abstract
An automatic component detection method for overlapping transient pulses in multi-component signals is presented and evaluated. The recently proposed scaled reassignment technique is shown to have the best achievable resolution for closely located Gaussian shaped transient pulses, even in heavy disruptive noise. As a result, the method automatically detects and counts the number of transients, giving the center times and center frequencies of all components with considerable accuracy. The presented method shows great potential for applications in several acoustic research fields, where coinciding Gaussian shaped transients are analyzed. The performance is tested on measured data from a laboratory pulse-echo setup and from a dolphin... (More)
An automatic component detection method for overlapping transient pulses in multi-component signals is presented and evaluated. The recently proposed scaled reassignment technique is shown to have the best achievable resolution for closely located Gaussian shaped transient pulses, even in heavy disruptive noise. As a result, the method automatically detects and counts the number of transients, giving the center times and center frequencies of all components with considerable accuracy. The presented method shows great potential for applications in several acoustic research fields, where coinciding Gaussian shaped transients are analyzed. The performance is tested on measured data from a laboratory pulse-echo setup and from a dolphin echolocation signal measured simultaneously at two different locations in the echolocation beam. Since the method requires little user input, it should be easily employed in a variety of research projects.
(Less)
- author
- Reinhold, Isabella LU ; Sandsten, Maria LU and Starkhammar, Josefin LU
- organization
- publishing date
- 2018-04-01
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Journal of the Acoustical Society of America
- volume
- 143
- issue
- 4
- pages
- 11 pages
- publisher
- American Institute of Physics (AIP)
- external identifiers
-
- scopus:85046038356
- pmid:29716299
- ISSN
- 0001-4966
- DOI
- 10.1121/1.5032215
- language
- English
- LU publication?
- yes
- id
- 4dd07061-6e20-4e56-b2b6-2a4973a8ca0d
- date added to LUP
- 2018-05-14 15:24:07
- date last changed
- 2024-08-05 17:26:30
@article{4dd07061-6e20-4e56-b2b6-2a4973a8ca0d, abstract = {{<p>An automatic component detection method for overlapping transient pulses in multi-component signals is presented and evaluated. The recently proposed scaled reassignment technique is shown to have the best achievable resolution for closely located Gaussian shaped transient pulses, even in heavy disruptive noise. As a result, the method automatically detects and counts the number of transients, giving the center times and center frequencies of all components with considerable accuracy. The presented method shows great potential for applications in several acoustic research fields, where coinciding Gaussian shaped transients are analyzed. The performance is tested on measured data from a laboratory pulse-echo setup and from a dolphin echolocation signal measured simultaneously at two different locations in the echolocation beam. Since the method requires little user input, it should be easily employed in a variety of research projects.</p>}}, author = {{Reinhold, Isabella and Sandsten, Maria and Starkhammar, Josefin}}, issn = {{0001-4966}}, language = {{eng}}, month = {{04}}, number = {{4}}, pages = {{2368--2378}}, publisher = {{American Institute of Physics (AIP)}}, series = {{Journal of the Acoustical Society of America}}, title = {{Objective detection and time-frequency localization of components within transient signals}}, url = {{http://dx.doi.org/10.1121/1.5032215}}, doi = {{10.1121/1.5032215}}, volume = {{143}}, year = {{2018}}, }