International Council for the Exploration of the Sea
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Rapport et Proces-Verbaux des Reunions - Volume 189 - 1990 - Partie 11 de 53.pdf (1.17 MB)

An alternative to thresholding during echo-integration data collection

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posted on 2023-05-09, 08:28 authored by E. P. Nunnallee
Determination of threshold to reduce the amount of noise included in echo-integration data has always been a relatively arbitrary operation. Values selected in the field often are too low and allow noise integration or are too high and bias against low fish-density situations. This paper describes an alternative method for reduction of non-reverberatory (ambient) acoustical noise and electrical interference encountered during echo-integration data collection. Automatic or manual implementation may be easily accomplished.

History

Series

Rapports et procès-verbaux des réunions

Volume

189

ISSN

2709-488X

Recommended citation

Nunnallee, E. P. 1990. An alternative to thresholding during echo-integration data collection. Rapports et procès-verbaux des réunions, 189: 92-94. https://doi.org/10.17895/ices.pub.8754