A new sonar localization strategy using receiver beam characteristics

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Sonar localization is addressed in this paper and solved for a system equipped with one emitter and two receivers with known directivity. The latter, along with the spectra of the received echoes, is used to estimate the orientation of the target with respect to the sonar system, while time of flight is measured to calculate the distance. In particular, the difference and the ratio of the right and left receivers' spectra are compared to those of the beam patterns of the two receivers. The orientation at which their values are equal is chosen as that of the target. Simulations are performed making use of the acoustic simulation of a bat's beam pattern to test the method. In noisy conditions, i. e. SNR = 50dB, most of the orientations are estimated with an error of 0°.
LanguageEnglish
Title of host publication2013 IEEE International Ultrasonics Symposium
Subtitle of host publicationJoint meeting of the ISAF and IFCS
PublisherIEEE
Pages445-448
Number of pages4
ISBN (Print)9781467356848
DOIs
Publication statusPublished - 2013
EventProceedings of the 2013 Joint UFFC, EFTF and PFM Symposium - Prague, Czech Republic
Duration: 21 Jul 201325 Jul 2013

Conference

ConferenceProceedings of the 2013 Joint UFFC, EFTF and PFM Symposium
CountryCzech Republic
CityPrague
Period21/07/1325/07/13

Fingerprint

Sonar
Acoustics

Keywords

  • sonar tracking
  • echo
  • receivers
  • sonar signal processing
  • sonar localization strategy
  • receiver beam characteristics

Cite this

Guarato, F., Windmill, J., & Gachagan, A. (2013). A new sonar localization strategy using receiver beam characteristics. In 2013 IEEE International Ultrasonics Symposium : Joint meeting of the ISAF and IFCS (pp. 445-448). IEEE. https://doi.org/10.1109/ULTSYM.2013.0115
Guarato, Francesco ; Windmill, James ; Gachagan, Anthony. / A new sonar localization strategy using receiver beam characteristics. 2013 IEEE International Ultrasonics Symposium : Joint meeting of the ISAF and IFCS. IEEE, 2013. pp. 445-448
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Guarato, F, Windmill, J & Gachagan, A 2013, A new sonar localization strategy using receiver beam characteristics. in 2013 IEEE International Ultrasonics Symposium : Joint meeting of the ISAF and IFCS. IEEE, pp. 445-448, Proceedings of the 2013 Joint UFFC, EFTF and PFM Symposium, Prague, Czech Republic, 21/07/13. https://doi.org/10.1109/ULTSYM.2013.0115

A new sonar localization strategy using receiver beam characteristics. / Guarato, Francesco; Windmill, James; Gachagan, Anthony.

2013 IEEE International Ultrasonics Symposium : Joint meeting of the ISAF and IFCS. IEEE, 2013. p. 445-448.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AB - Sonar localization is addressed in this paper and solved for a system equipped with one emitter and two receivers with known directivity. The latter, along with the spectra of the received echoes, is used to estimate the orientation of the target with respect to the sonar system, while time of flight is measured to calculate the distance. In particular, the difference and the ratio of the right and left receivers' spectra are compared to those of the beam patterns of the two receivers. The orientation at which their values are equal is chosen as that of the target. Simulations are performed making use of the acoustic simulation of a bat's beam pattern to test the method. In noisy conditions, i. e. SNR = 50dB, most of the orientations are estimated with an error of 0°.

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Guarato F, Windmill J, Gachagan A. A new sonar localization strategy using receiver beam characteristics. In 2013 IEEE International Ultrasonics Symposium : Joint meeting of the ISAF and IFCS. IEEE. 2013. p. 445-448 https://doi.org/10.1109/ULTSYM.2013.0115