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BEML-sonar: a bio-inspired echolocation and machine learning-enhanced SONAR for underwater object detection and navigation [PDF]
Scientific ReportsTraditional SONAR systems are widely used for underwater object detection and navigation; however, they suffer from high energy consumption, noise interference, and signal degradation in varying aquatic conditions. Inspired by biological echolocation, we
C. Kishor Kumar Reddy +5 more
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A dolphin-inspired compact sonar for underwater acoustic imaging
Communications Engineering, 2022 Underwater imaging sonars are widely used for oceanic exploration but are bulky and expensive for some applications. The sonar system of dolphins, which uses sound pulses called clicks to investigate their environment, offers superior shape ...
Hari Vishnu +4 more
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High‐angular‐ and range‐resolution imaging using MIMO sonar with two‐dimensional deconvolution
IET Radar, Sonar & Navigation, 2023 A real‐aperture high‐resolution imaging method utilising a multiple‐input multiple‐output (MIMO) sonar with two‐dimensional (2‐D) deconvolution processing is proposed.
Xionghou Liu +5 more
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Wide‐bandwidth signal‐based multireceiver SAS imagery using extended chirp scaling algorithm
IET Radar, Sonar & Navigation, 2022 Traditional chirp scaling algorithm is often developed based on the quadratic approximation of point target reference spectrum, which neglects the higher‐order coupling between range and azimuth dimensions.
Xuebo Zhang +4 more
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Multi-Channel and Multi-Agent Signal Processing
Applied Sciences, 2022 Multi-channel and array signal processing is a well-established field with fundamental applications in wireless communications, radar/sonar, remote sensing, medical imaging, and more [...]
Angelo Coluccia
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A Robust and Fast Method for Sidescan Sonar Image Segmentation Based on Region Growing
Sensors, 2021 For high-resolution side scan sonar images, accurate and fast segmentation of sonar images is crucial for underwater target detection and recognition. However, due to the characteristics of low signal-to-noise ratio (SNR) and complex environmental noise ...
Xuyang Wang +3 more
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A Method for the Interpretation of Sonar Data Recorded during Autonomous Underwater Vehicle Missions
Polish Maritime Research, 2022 Image acquisition from autonomous underwater vehicles (AUVs) is useful for mapping objects on the seabed. However, there are few studies on the interpretation of data collected with side-scan sonar during autonomous underwater vehicle missions.
Zieja Mariusz +3 more
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Frontiers in Marine Science, 2023 Reverberation is the primary background interference of active sonar systems in shallow water environments, affecting target position detection accuracy.
Zhen Wang +6 more
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IEEE Access, 2022 Under low-frequency background noise environments, due to the characteristics of poor stability and many interference targets of noise, the detection of unknown low-frequency sonar signals faces huge challenge.
Zeng Liang, Caixia Song
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Coherent and Noncoherent Joint Processing of Sonar for Detection of Small Targets in Shallow Water
Sensors, 2018 A coherent-noncoherent joint processing framework is proposed for active sonar to combine diversity gain and beamforming gain for detection of a small target in shallow water environments.
Xiang Pan +5 more
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