Bio-Inspired Covert Active Sonar Strategy
The covertness of the active sonar is a very important issue and the sonar signal waveform design problem was studied to improve covertness of the system. Many marine mammals produce call pulses for communication and echolocation, and existing interception systems normally classify these biological...
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ftpubmed:oai:pubmedcentral.nih.gov:6111786 2023-05-15T18:26:35+02:00 Bio-Inspired Covert Active Sonar Strategy Jiang, Jiajia Wang, Xianquan Duan, Fajie Li, Chunyue Fu, Xiao Huang, Tingting Bu, Lingran Ma, Ling Sun, Zhongbo 2018-07-26 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111786/ http://www.ncbi.nlm.nih.gov/pubmed/30050018 https://doi.org/10.3390/s18082436 en eng MDPI http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111786/ http://www.ncbi.nlm.nih.gov/pubmed/30050018 http://dx.doi.org/10.3390/s18082436 © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). CC-BY Article Text 2018 ftpubmed https://doi.org/10.3390/s18082436 2018-09-02T00:55:08Z The covertness of the active sonar is a very important issue and the sonar signal waveform design problem was studied to improve covertness of the system. Many marine mammals produce call pulses for communication and echolocation, and existing interception systems normally classify these biological signals as ocean noise and filter them out. Based on this, a bio-inspired covert active sonar strategy was proposed. The true, rather than man-made sperm whale, call pulses were used to serve as sonar waveforms so as to ensure the camouflage ability of sonar waveforms. A range and velocity measurement combination (RVMC) was designed by using two true sperm whale call pulses which had excellent range resolution (RR) and large Doppler tolerance (DT). The range and velocity estimation methods were developed based on the RVMC. In the sonar receiver, the correlation technology was used to confirm the start and end time of sonar signals and their echoes, and then based on the developed range and velocity estimation method, the range and velocity of the underwater target were obtained. Then, the RVMC was embedded into the true sperm whale call-train to improve the camouflage ability of the sonar signal-train. Finally, experiment results were provided to verify the performance of the proposed method. Text Sperm whale PubMed Central (PMC) Sensors 18 8 2436 |
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Article Jiang, Jiajia Wang, Xianquan Duan, Fajie Li, Chunyue Fu, Xiao Huang, Tingting Bu, Lingran Ma, Ling Sun, Zhongbo Bio-Inspired Covert Active Sonar Strategy |
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The covertness of the active sonar is a very important issue and the sonar signal waveform design problem was studied to improve covertness of the system. Many marine mammals produce call pulses for communication and echolocation, and existing interception systems normally classify these biological signals as ocean noise and filter them out. Based on this, a bio-inspired covert active sonar strategy was proposed. The true, rather than man-made sperm whale, call pulses were used to serve as sonar waveforms so as to ensure the camouflage ability of sonar waveforms. A range and velocity measurement combination (RVMC) was designed by using two true sperm whale call pulses which had excellent range resolution (RR) and large Doppler tolerance (DT). The range and velocity estimation methods were developed based on the RVMC. In the sonar receiver, the correlation technology was used to confirm the start and end time of sonar signals and their echoes, and then based on the developed range and velocity estimation method, the range and velocity of the underwater target were obtained. Then, the RVMC was embedded into the true sperm whale call-train to improve the camouflage ability of the sonar signal-train. Finally, experiment results were provided to verify the performance of the proposed method. |
format |
Text |
author |
Jiang, Jiajia Wang, Xianquan Duan, Fajie Li, Chunyue Fu, Xiao Huang, Tingting Bu, Lingran Ma, Ling Sun, Zhongbo |
author_facet |
Jiang, Jiajia Wang, Xianquan Duan, Fajie Li, Chunyue Fu, Xiao Huang, Tingting Bu, Lingran Ma, Ling Sun, Zhongbo |
author_sort |
Jiang, Jiajia |
title |
Bio-Inspired Covert Active Sonar Strategy |
title_short |
Bio-Inspired Covert Active Sonar Strategy |
title_full |
Bio-Inspired Covert Active Sonar Strategy |
title_fullStr |
Bio-Inspired Covert Active Sonar Strategy |
title_full_unstemmed |
Bio-Inspired Covert Active Sonar Strategy |
title_sort |
bio-inspired covert active sonar strategy |
publisher |
MDPI |
publishDate |
2018 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111786/ http://www.ncbi.nlm.nih.gov/pubmed/30050018 https://doi.org/10.3390/s18082436 |
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Sperm whale |
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Sperm whale |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6111786/ http://www.ncbi.nlm.nih.gov/pubmed/30050018 http://dx.doi.org/10.3390/s18082436 |
op_rights |
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
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CC-BY |
op_doi |
https://doi.org/10.3390/s18082436 |
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Sensors |
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2436 |
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1766208563388088320 |