Browsing Brage IMR by Author "Craig, Robert E."
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Design of a sonar for fish counting
Craig, Robert E.; Forbes, Sinclair T. (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)The paper described (a) A very high resolution echo-sounder, (b) A method of sorting echoes by amplitude and range, (c) A study of the analysis required to transform from distribution of echoes to distribution of ...