ACOUSTIC MEASUREMENTS INSTRUMENTATION for GENERAL OPERATIONS (AMIGO)

In order to provide an accurate estimate of detection ranges for a given target, it is necessary to know the noise level, propagation characteristics, processing system parameters, and the source level of the target of interest. During the 1980’s the Navy’s P-3 community had very few aircraft with the ability to make absolute sound pressure level measurements, making it difficult for the tacticians to know how to deploy their sensors and what they should be expecting in the way of performance. AMIGO was designed by ESL as a roll-on, roll-off monitoring and recording system that could be put onto any P-3 aircraft or any surface ship to acquire high quality, well-calibrated data. AMIGO was the first data collection system to make use of VHS technology to record multi-channel acoustic data. The initial interest was in the Juan de Fuca Straits area, but AMIGO soon found use all over the world. Data collections and follow-on acoustic analyses have been made in such places as the Arctic, Korean Harbors, the Mediterranean, and the U.S. East, West, and Gulf Coasts.

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