Αποτελέσματα Αναζήτησης
4 Οκτ 2022 · Understanding the physics of sound in water is an important step in studies of aquatic animal sound usage and perception, whether these are conspecific social sounds, predator sounds, prey sounds, navigational clues, environmental sounds, or anthropogenic sounds.
Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries. The water may be in the ocean, a lake, a river or a tank.
1 Μαΐ 2022 · Sound source characteristics, receiver hearing sensitivities and vocal range, environmental properties affecting propagation, as well as practical signal processing choices are all important to consider when deciding on analysis bandwidths.
Underwater acoustics is the science of sound in water (most commonly in the ocean) and encompasses not only the study of sound propagation, but also the masking of sound signals by interfering phenomenon and signal processing for extracting these signals from interference.
When underwater objects vibrate, they create sound-pressure waves that alternately compress and decompress the water molecules as the sound wave travels through the sea. Sound waves radiate in all directions away from the source like ripples on the surface of a pond.
This signal randomisation imposes a limit to the effectiveness of ocean acoustic remote sensing, navigation and communication. Sound Propagation through the Stochastic Ocean provides a comprehensive treatment of developments in the field of statistical ocean acoustics over the last 35 years.
30 Σεπ 2020 · Sound is scattered by scatterers in the water (such as gas bubbles or sh swim bladders). Sound bends as the ocean is fi layered with pressure, temperature, and salinity changing as a function of depth, and with fresh-water inputs. All of these phenomena depend on the frequency of sound.
