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Measurements of Specific Density of and Sound Speed in Nomura's Jellyfish Nemopilema nomurai to Estimate their Target Strength using a Theoretical Scattering Model
Specific Density Nomura's Jellyfish Nemopilema nomurai Theoretical Scattering Model
2009/8/19
The jellyfish Nemopilema nomurai, which reaches up to 2 m in diameter and 200 kg in weight, has appeared in large numbers in the Sea of Japan during the last several years and has had a negative effec...
Measurement of the Frequency Characteristics of the Scattering Amplitude Using the Dolphin's Sonar Signal
Frequency Characteristics Scattering Amplitude Dolphin's Sonar Signal
2009/8/19
Dolphins detect, pursuit, and prey fish as their food by using their excellent sonar ability. If some advantages of their sonar such as object identification ability are introduced to our fisheries ec...