Testing of a Laboratory Prototype for Recording Dolphin Signals with an Extended Frequency Band of the Through Path


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New technologies for the digital recording of broadband complex signals have made it possible to develop and create laboratory autonomous multichannel equipment to record bioacoustic activity on a digital medium with low power consumption and the possibility of continuous recording for up to 4 h. The equipment operates under the control of a fit-PC computer with the Windows operating system and the PowerGraph program for digital recording in a frequency band of the analog path of up to 600 kHz. Equipment testing recorded paradoxical signals from toothed whales with a frequency band exceeding 200 kHz. Signals with an extended frequency band were recorded in a laboratory experiment in open water while solving the problem of target tracking and in an experiment with provocation of acoustic communication behavior.

Sobre autores

M. Ivanov

St. Petersburg State University, Biological Faculty

Autor responsável pela correspondência
Email: 20mivanov@mail.ru
Rússia, St. Petersburg, 199034

S. Butov

St. Petersburg State University, Biological Faculty

Email: 20mivanov@mail.ru
Rússia, St. Petersburg, 199034

L. Leonova

St. Petersburg State University, Biological Faculty

Email: 20mivanov@mail.ru
Rússia, St. Petersburg, 199034

E. Romanovskaya

St. Petersburg State University, Biological Faculty

Email: 20mivanov@mail.ru
Rússia, St. Petersburg, 199034

V. Stefanov

St. Petersburg State University, Biological Faculty

Email: 20mivanov@mail.ru
Rússia, St. Petersburg, 199034

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