Transients in circular symmetry; estimation of transverse wave propagation velocity
(2000) 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop p.212-216- Abstract
- The response of a tree trunk to a hammer blow, measured by sensors positioned around the excited cross section, consists of two kinds of transient mechanical waves: longitudinal P- and transverse S-waves. The aim of this paper is to extract the velocity of the S-waves, using a filtering structure that emphasizes the waves heading in one of the directions along the circumference. By this approach, a more robust estimate of the delay between the channels, compared to, e.g., using the pure discrete Radon transform, is obtained. The method is applied to recordings of a large number of trees, and estimated velocities are reported.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/26e74c07-a4b4-4b38-b941-3f08f2433f0c
- author
- Axmon, Joakim LU and Sandsten, Maria LU
- organization
- publishing date
- 2000
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- Proceedings of the 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop. SAM 2000
- pages
- 212 - 216
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop
- conference location
- Cambridge, MA, United States
- conference dates
- 2000-03-17 - 2000-03-17
- external identifiers
-
- scopus:3242701382
- ISBN
- 0-7803-6339-6
- DOI
- 10.1109/SAM.2000.878000
- language
- English
- LU publication?
- yes
- id
- 26e74c07-a4b4-4b38-b941-3f08f2433f0c
- date added to LUP
- 2018-03-23 16:07:20
- date last changed
- 2022-01-31 02:30:20
@inproceedings{26e74c07-a4b4-4b38-b941-3f08f2433f0c, abstract = {{The response of a tree trunk to a hammer blow, measured by sensors positioned around the excited cross section, consists of two kinds of transient mechanical waves: longitudinal P- and transverse S-waves. The aim of this paper is to extract the velocity of the S-waves, using a filtering structure that emphasizes the waves heading in one of the directions along the circumference. By this approach, a more robust estimate of the delay between the channels, compared to, e.g., using the pure discrete Radon transform, is obtained. The method is applied to recordings of a large number of trees, and estimated velocities are reported.}}, author = {{Axmon, Joakim and Sandsten, Maria}}, booktitle = {{Proceedings of the 2000 IEEE Sensor Array and Multichannel Signal Processing Workshop. SAM 2000}}, isbn = {{0-7803-6339-6}}, language = {{eng}}, pages = {{212--216}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{Transients in circular symmetry; estimation of transverse wave propagation velocity}}, url = {{http://dx.doi.org/10.1109/SAM.2000.878000}}, doi = {{10.1109/SAM.2000.878000}}, year = {{2000}}, }