نتایج جستجو برای: hydrophone
تعداد نتایج: 756 فیلتر نتایج به سال:
This project’s long-term goal is the application and refinement of population density estimation methods based on detections of marine mammal vocalizations combined with propagation modeling. The density estimation method is applied to a novel acoustic data set, collected by a single hydrophone, to estimate the population density of false killer whales (Pseudorca crassidens) off of the Kona coa...
The long-term goal of our research is to develop algorithms that use widely spaced hydrophone arrays to localize and track multiple unknown sound sources, possibly in shallow-water environments, over long distances. By developing methods to simultaneously track multiple vocalizing marine mammals, we hope to contribute to the fields of marine mammal bioacoustics, ecology, and anthropogenic impac...
In utero transmission of external and maternal sounds has been studied in pregnant women and in an animal model of human species, the sheep. These works, especially the most recent ones, suggest that local and environmental factors interfere in such a way that signals are attenuated in a complex manner as frequency increases. The present work investigated whether a plain rubber sphere which was...
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