Optimal Waveform Design Using Frequency-Modulated Pulse Trains for Active Sonar. [PDF]
Sensors (Basel), 2019 Frequency-modulated pulse trains can be applied in active sonar systems to improve the performance of conventional transmitted waveforms. Recently, two pulse trains have been widely researched as the transmitted waveforms for active sonars.
Guan C, Zhou Z, Zeng X.
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Doppler Data Association Scheme for Multi-Target Tracking in an Active Sonar System. [PDF]
Sensors (Basel), 2019 In many wireless sensors, the target kinematic states include location and Doppler information that can be observed from a time series of range and velocity measurements.
Yao Y, Zhao J, Wu L.
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Attention-Based Complementary Learning for Active Target Classification With Limited Sonar Data
IEEE AccessWe propose an active sonar target classifier using attention-based complementary learning (ABCL) to mitigate poor generalization with scarce active sonar data.
Youngsang Hwang +4 more
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Bi-Sphere Anomaly Detection With Learnable Centroid for Active Sonar Classification
IEEE Access, 2022 Machine learning (ML)-based approaches are desirable for discriminating targets from clutter signals to enhance the performance of active sonar systems.
Geunhwan Kim, Youngmin Choo
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Route Optimization for Active Sonar in Underwater Surveillance [PDF]
SensorsMultistatic sonar networks (MSNs) have emerged as a powerful approach for enhancing underwater surveillance capabilities. Different from monostatic sonar systems which use collocated sources and receivers, MSNs consist of spatially distributed and ...
Mehmet Gokhan Metin +2 more
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Integrated waveform for continuous active sonar detection and communication
IET Radar, Sonar and Navigation, 2020 A novel integrated waveform (IW) for continuous active sonar detection and communications is proposed in this study based on a generalised sinusoidal frequency-modulated signal.
Jingwei Yin, Xiao Han
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A risk function for behavioral disruption of Blainville's beaked whales (Mesoplodon densirostris) from mid-frequency active sonar. [PDF]
PLoS ONE, 2014 There is increasing concern about the potential effects of noise pollution on marine life in the world's oceans. For marine mammals, anthropogenic sounds may cause behavioral disruption, and this can be quantified using a risk function that relates sound
David Moretti +10 more
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Underwater Acoustic Research Trends with Machine Learning: Active SONAR Applications
한국해양공학회지, 2020 Underwater acoustics, which is the study of phenomena related to sound waves in water, has been applied mainly in research on the use of sound navigation and range (SONAR) systems for communication, target detection, investigation of marine resources and
Haesang Yang +4 more
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Research on submarine underwater acoustic effectiveness against airborne sonar [PDF]
Zhihui kongzhi yu fangzhen, 2023 To get the best strategy of submarine underwater acoustic countermeasure against active/passive airborne sonar in normal conditions, this paper constructs the underwater acoustic environment model, sonar detection model and submarine underwater acoustic ...
KANG Le, SUN Baosan, ZHANG Weili
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Method for Characterizing Active Sonar Interference Fringes Based on the Sum of Curvature [PDF]
Jisuanji gongcheng, 2022 Interference fringes are essential features for active sonar target recognition.In shallow-water environments, the energy propagation characteristics of acoustic waves are relatively complex, and signals follow two different paths:from the emitter to the
SUN Tongjing, YAN Zhiming, FAN Jun, ZHANG Hao
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