An improved multiple-frequency method for measuring in situ target strengths

ICES Journal of Marine Science

Volumn 62, Issue 8, 2005, Pages 1636-1646

  Conti, Stéphane G ^a   Demer, David A ^a   Soule, Michael A ^b   Conti, Jean H E ^c  

^a SOUTHWEST FISHERIES SCIENCE CENTER   (United States)

^b Fisheries Resource Surveys   (South Africa)

^c NONE   (France)

Author keywords

Split beam; Target strength; Three dimensional reference transformation

Indexed keywords

ECHO SOUNDER; METHODOLOGY; TARGET STRENGTH;

EID: 27844440798     PISSN: 10543139     EISSN: 10959289     Source Type: Journal    
DOI: 10.1016/j.icesjms.2005.06.008     Document Type: Article

References (13)

1. Bodholt, H. 1991. Split-beam transducer for target-strength measurement. Scandinavian Cooperation Meeting in Acoustics XIII. Ed. by H. Hobæk, Department of Physics. Science Technical Report, 227 (University of Bergen, Norway), p. 73.
2. H. Bodholt, H. Nes, and H. Solli A new echosounder system Proceedings of the Institute of Acoustics 11 3 1989 123 130
3. Bodholt, H., and Solli, H. 1992. Application of the split-beam technique for in-situ, target-strength measurements. In World Fisheries Congress, Athens. 21 pp.
4. T.F. Coleman, and Y. Li On the convergence of reflective Newton methods for large-scale, nonlinear minimization subject to bounds Mathematical Programming 67-2 1994 189 224
5. T.F. Coleman, and Y. Li An interior, trust-region approach for nonlinear minimization subject to bounds SIAM Journal on Optimization 6 1996 418 445
6. D.A. Demer, M.A. Soule, and R.P. Hewitt A multiple-frequency method for potentially improving the accuracy and precision of in situ target-strength measurements Journal of the Acoustical Society of America 105 4 1999 2359 2376
7. K.G. Foote Spheres for calibrating an eleven-frequency, acoustic-measurement system ICES Journal of Marine Science 46 1990 284 286
8. K. Levenberg A method for the solution of certain problems in least-squares Quarterly of Applied Mathematics 2 1944 164 168
9. D.N. MacLennan Time-varied-gain functions for pulsed sonars Journal of Sound and Vibration 110 1987 511 522
10. D. Marquardt An algorithm for least-square-estimation of nonlinear parameters SIAM Journal of Applied Mathematics 11 1963 431 441
11. J.J. Moré The Levenberg-Marquardt algorithm: implementation and theory G.A. Watson Numerical Analysis Lecture Notes in Mathematics vol. 630 1977 Springer, New York 105 116
12. J. Peres Mécanique Générale Masson 2nd edn 1962 50 52 Paris.
13. SIMRAD Simrad EK500 Scientific Echosounder Instruction Manual 1996 Simrad Subsea A/S Horten, Norway