Browsing by Subject "Underwater acoustics"
Now showing items 1-4 of 4
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Low-Frequency Hydrophone Calibration Using Elastic Waveguides
(2023-08-08)Modern hydrophone calibration techniques typically require sensors to be placed in a free field or within a hydrostatically varying chamber. Between 1 kHz and 10 kHz, the wavelength in water is too long for free-field ... -
Ocean Ambient Noise Field Modelling and the Optimized Noise Term
(2023-03-16)The objective of this thesis is to determine the frequency and wind-wave forcing dependent effective sea surface noise source level per unit area (NSL/A) extracted from the hourly minimum sound power levels of six month-long ... -
Soundscape characterization in Grand Passage, Nova Scotia, a planned in-stream tidal energy site
(2016-12-15)The marine environment in the Bay of Fundy hosts a dynamic and diverse soundscape that is a fundamental component of the local ecosystem. The emergence of new human marine activities and infrastructure, such as tidal turbine ... -
Using an Aural Classifier to Discriminate Cetacean Vocalizations
(2012-04-05)To positively identify marine mammals using passive acoustics, large volumes of data are often collected that need to be processed by a trained analyst. To reduce acoustic analyst workload, an automatic detector can be ...