Underwater Radiated Noise measurement system (URN)
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Underwater Radiated Noise measurement system (URN)
URN measures underwater radiated noise from surface warship & submarine. It evaluates the noise level by ship speed, analyzes root cause and judges the phenomena of propellant cavitation and singing.
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· Hydrophone: 6ch, -170dB
· Tilt/Depth Sensor: Heading 0.1˚, Pitch/Roll 0.4˚, Depth 0 to 50 bar
· Pinger: 30kHz, 72 hours operating
· Buoy: Sampling up to 200kHz, LAN, FTP, USB as data backup
· Other devices: GPS, RF/wifi Device, Flash light
· Software analysis tool: Octave, FFT, Waterfall, Time & Power
Spectrum, LOFAR, DEMON
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· Analysis & Evaluation system of radiated noise for
surface
warship and submarine
· Improvement of warship stealth design and
shipbuilding
technology
· The research for low noise vessel according to
the marine
vessel noise regulation
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