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Bioinspired Control Architecture for Adaptive and Resilient Navigation of Unmanned Underwater Vehicle in Monitoring Missions of Submerged Aquatic Vegetation Meadows. [PDF]
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Bio-Inspired Covert Active Sonar Detection Method Based on the Encoding of Sperm Whale Clicks
IEEE Sensors Journal, 2022The covertness of an active sonar is a very important issue and the sonar signal waveform design was studied to improve covertness of the system. Click is one of the most common cetacean sounds, and has excellent detection performance.
Zhongbo Sun +8 more
semanticscholar +1 more source
Active Bayesian Deep Learning With Vector Sensor for Passive Sonar Sensing of the Ocean
IEEE Journal of Oceanic Engineering, 2023Multiple studies have explored and reported on using passive sonar scalar pressure fields for both biological and man-made target classification. Here, inclusion of the vector field is considered and evaluated as an input feature in the classification of
J. Fischer +3 more
semanticscholar +1 more source
IEEE Journal of Oceanic Engineering, 2021
Continuous active sonar (CAS) waveforms provide an advantage over conventional pulsed active sonar (PAS) waveforms, which is, they can be processed to provide a higher target update rate through subpulse processing.
Jeffrey R. Bates +3 more
semanticscholar +1 more source
Continuous active sonar (CAS) waveforms provide an advantage over conventional pulsed active sonar (PAS) waveforms, which is, they can be processed to provide a higher target update rate through subpulse processing.
Jeffrey R. Bates +3 more
semanticscholar +1 more source
Underwater target recognition method based on multi-domain active sonar echo images
International Conference on Signal Processing, Communications and Computing, 2021The classification and recognition of underwater target by active sonar echo remains a challenging task due to the complex ocean environment and the multiple interferers in the sea. In this paper, an underwater target recognition method is proposed based
Qingcui Wang +3 more
semanticscholar +1 more source
IEEE Journal of Oceanic Engineering, 2021
A processing technique for continuous active sonar (CAS) that uses linear frequency modulation (LFM) waveforms is presented. LFM CAS employs wideband long-duration LFMs with 100% transmit duty cycle.
Stefan M. Murphy, L. Zurk, M. Coffin
semanticscholar +1 more source
A processing technique for continuous active sonar (CAS) that uses linear frequency modulation (LFM) waveforms is presented. LFM CAS employs wideband long-duration LFMs with 100% transmit duty cycle.
Stefan M. Murphy, L. Zurk, M. Coffin
semanticscholar +1 more source
The Journal of the Acoustical Society of America, 2008
An exemplary embodiment of the invention relates to a method and system for displaying simulated acoustically realistic active sonar signals. The method includes simulating a realistic sounding active sonar signal that originates from a simulated sonar transmitter.
Cathy Christensen Matthews +1 more
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An exemplary embodiment of the invention relates to a method and system for displaying simulated acoustically realistic active sonar signals. The method includes simulating a realistic sounding active sonar signal that originates from a simulated sonar transmitter.
Cathy Christensen Matthews +1 more
openaire +2 more sources
A Brief History of Active Sonar [PDF]
Aquatic Mammals, 2009 As background for this special issue on strandings and mid-frequency active sonar (MFAS), this paper presents a brief history of active sonar, tracing the development of MFAS from its origins in the early 20th century through the development of current tactical MFAS.
Angela D'Amico, Richard Pittenger
openaire +1 more source
Background Noise Cancellation from Active Sonar Images Utilizing Transmission-free Recordings
Oceans, 2021Sonar images are generally exposed to various types of noise. In this paper, we focus on self-noise reduction of sonar systems and propose an efficient approach by applying region-wise thresholds acquired by a statistical analysis of transmission-free ...
Deike Fietz +2 more
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