Blar i Published in cooperation with others på emneord "sonar calibration"
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Optimal acoustic beam pattern corrections for split beam transducers
(ICES CM Documents;1990/B:30, Working paper, 1990)Precise in situ target strength estimates of fish can only be made when the effect of the transducer directivity is totally removed from the recorded target amplitudes. By guiding a standard calibration target through the ...