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Digital hydrophone buoy
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jimlee0218@huayucartonmachine.com
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+86-15226701321
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- Product description
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The HZ-NSpotter7 is a long-term ocean noise observation buoy that enables acoustic feature extraction of underwater targets, collaborative multi-node observations, and retrieval of navigation parameters. By fusing data from multiple buoys, it achieves joint situational awareness, overcoming the physical limitations of single-node detection. It also provides dynamic situational visualization from shore-based stations, allowing real-time acquisition of positional and situational information on both the buoy and the target. Powered by solar energy, this buoy can sustain continuous ocean observations for over six months. Communication via Beidou/Iridium satellite ensures real-time connectivity. Depending on specific scenarios, deployment can be carried out either in advance or afterward. During deployment, a single operator can launch the buoy from a vessel. The buoy is equipped with multi-mode shore-based monitoring systems that allow real-time viewing of data and remote control. This buoy employs a spring cable and damping plates to reduce vibrations and minimize dynamic noise.
Key features
• Cost-effective
• Long-time integration and phase-coherent misalignment algorithm
• Enhance line spectrum signals in the specified frequency band
• Line spectrum extraction using background equalization technology and spectral peak detection algorithms
• Scalable, offshore validatedTypical applications:
Marine Environmental Monitoring
Marine Biology Research
Underwater Acoustics ResearchTechnical Parameters
Specifications External dimensions 42 cm × 31 cm Weight 7.45kg Battery 3.7V, 22,400mAh Hydrophone Frequency range 2 Hz ~ 80 kHz (customizable) Dynamic range ≥105dB System noise floor Below sea state level 0 (35 dB at 1000 Hz) Line spectrum detection Frequency band, detection threshold, and spectral peak are adjustable. Land-Based Joint Situational Awareness Visualization System Based on Multi-Beacon Information Fusion
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