20 results on '"Francis, David"'
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2. Sonar‐induced strains and stresses in an absorbing solid elastic sphere.
3. Pressure and displacement fields inside an absorbing fluid sphere ensonified by a point acoustic source: comparison of analytic and numerical solutions.
4. Pressure and displacement fields inside an absorbing fluid sphere ensonified by a plane harmonic wave.
5. Calibration of broadband sonar systems using multiple standard targets
6. Calibration sphere for low-frequency parametric sonars
7. Comparing high-frequency scattering by a fish swimbladder and a gas-filled ellipsoid
8. Depth-dependent target strengths of gadoids by the boundary-element method
9. Backscattering and extinction cross sections of two swimbladdered fishes at the lowest resonance, as modeled by the boundary‐element method
10. Acoustic swimbladder resonance spectroscopy: Fundamentals in scattering theory
11. Comparing Kirchhoff-approximation and boundary-element models for computing gadoid target strengths
12. Simple, nonoptimal, real‐time classifiers for euphausiid and copepod numerical density estimation
13. The fish swimbladder as an acoustic waveguide
14. Broadband echo spectra from euphausiids and copepods
15. A seven‐octave‐bandwidth echo sounding system for application to fish and zooplankton
16. Spheres for calibrating high-frequency broadband echo sounders
17. Modeling the target strength of Calanus finmarchicus
18. Target strength spectra of swim-bladdered fish
19. Modeling the target strength of Meganyctiphanes norvegica
20. A gradient formulation of the Helmholtz integral equation for acoustic radiation and scattering
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