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Analysis of vertical line array spatial gain affected by wind-driven ambient noise in deep ocean

  • Northwestern Polytechnical University Xian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

The noise spatial correlation coefficient between two array elements deployed vertically in real deep ocean environment is not consistent with that in isotropic ambient noise field because of surface-distributed wind driven noise sources. Therefore, it is necessary to analyze the performance of vertical line array spatial gain properly. A method for modeling wind-driven ambient noise field is described. By using the described method the noise response on array hydrophones can be calculated. Furthermore, the formula of array spatial again in nonisotropic ambient noise field is developed. Spatial correlation coefficient between two elements are simulated with the described method and compared with that in isotropic noise field. And simulations are performed to analyze the difference of vertical line array spatial gain between nonisotropic noise field and isotropic noise field. Besides, the array spatial gain as a function of element number is also analyzed.

Original languageEnglish
Title of host publication2017 IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-5
Number of pages5
ISBN (Electronic)9781538631409
DOIs
StatePublished - 29 Dec 2017
Event7th IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2017 - Xiamen, Fujian, China
Duration: 22 Oct 201725 Oct 2017

Publication series

Name2017 IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2017
Volume2017-January

Conference

Conference7th IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2017
Country/TerritoryChina
CityXiamen, Fujian
Period22/10/1725/10/17

Keywords

  • ambient noise
  • deep ocean
  • spatial gain
  • vertical line array

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