|
Wk |
Date 2005 |
Topic |
Discussion Paper/ Reading material/ Labs |
|---|---|---|---|
|
1 |
9 Sept. |
Organization. Introduction to Acoustical Oceanography [PDF]. |
Soundings Out the Ocean's Secrets, National Academy of Sciences. [PDF] Assignment. [PDF]. Answer to Q. 3 [PDF] Handout reading: Sound, the wave equation. Ch. 47 of The Feynamn lectures on physics, 1977, Addison-Wesley. |
|
2 |
16 Sept. |
Acoustics: Waves [PDF]. |
Kuperman, W. A. and J. F. Lynch, 2004, Shallow Water Acoustics. October issue of Physics Today. [HTML] |
|
3 |
23 Sept. |
Acoustics: Rays [PDF
|
Lab using the ray tracing program RAY [Lab instructions [PDF].
Report on the program: PDF].
Program is available at:
http://www.hlsresearch.com/oalib/ Assignment [PDF]. Answers to assignment [PDF]. Program to solve Q. 3 (by W. Slade) |
| 4 | 30 Sept. |
Linear time-invariant system [PDF] (Introductory material for interpreting ocean sounds and sensing systems) |
|
| 5 | 7 Oct. |
Linear time-invariant system (continued) Introduction to acoustical scattering (part I) |
Lab: acoustic backscattering sensitivity to concentration using an Acoustic
Doppler Velocimeter including assignment [PDF]. Data from lab Solution approach, sonar equation [PDF], related m-files (analysis_file.m, least_square_bakcscattering.m). |
| 6 | 14 Oct. |
Scattering from a sphere [PDF].
Handouts: Anderson (1950) and Faran (1951) JASA papers on scattering from fluid and solid spheres. |
Lab ([PDF], includes the assignment): The Anderson (anderson.m, validation.m) and Faran (faran.m, go_validate.m) models of scattering from a sphere. |
| 7 | 21 Oct. | Acoustic sources | Lab using sources and receivers. |
| 8 | 28 Oct. | Acoustic waveguide-normal modes [PDF]. |
Lab on sensitivity of acoustical backscattering to size including assignment [PDF]. Data from lab |
Additional textbooks:
Dusenbery, D. B. 1992. Sensory Ecology. W. H. Freeman and Company, 558pp.
Lurton, X., 2002. An introduction to Underwater acoustics. Parxis, 347pp.
Medwin, H. and C. S. Clay. 1997. Fundamentals of Acoustical Oceanography. Academic Press, 712pp (Errata list from H. Medwin, PDF).
Morse P. M. and K. U. Ingard. 1968. Theoretical acoustics. Princeton University Press, 926pp.
Pierce, A. D., 1981. Acoustics. McGraw-Hill, 642pp.
Urick, R. J., 1982. Sound Propagation in the Sea. Los Altos, 226pp.
Williams, E. G., 1999. Fourier Acoustics. Academic Press, 306pp.
Relevant PDF documents:
Ocean noise and marine mammals. Tutorial by the Acoustical Society of America. [PDF]
Soundings Out the Ocean's Secrets, National Academy of Sciences. [PDF]
Kuperman, W. A. and J. F. Lynch, 2004, Shallow Water Acoustics. October issue of Physics Today. [HTML]
Leighton, T. G., 2004. From Sea to Surgeries, from Babbling
Brooks to Baby Scans: Bubble Acoustics at ISVR.
Proceedings of the Institute of Acoustics. [PDF]
Relevant courses on the WWW:
Pinccock D. G. and F.A.Voegeli, 2002. Quick course in underwater telemetry systems [PDF]
MIT courses in ocean engineering on the WWW: http://ocw.mit.edu/OcwWeb/Ocean-Engineering/
Simulation of acoustic and wave phenomena on the WWW:
http://www.falstad.com/mathphysics.html
http://www.kettering.edu/~drussell/Demos.html
http://users.pandora.be/educypedia/electronics/javaaudio.htm
http://www.ecgcorp.com/avsite/avdocs/software.html
Relevant links on the WWW:
Acoustical Society of America: http://asa.aip.org/jasa.html
Acoustical Oceanography technical committee (ASA): http://www.oce.uri.edu/ao/AOWEBPAGE.htm
Hot topics in Acoustical Oceanography: http://www.acoustics.org/press/133rd/3pid2.html
"Sounding Out the Oceans Secrets" by the National Academy of Sciences http://www.beyonddiscovery.org/content/view.article.asp?a=219
Advanced Multifrequency Inversion Methods for Classifying Acoustic Scatterers:
http://zooplankton.lsu.edu/scattering_models/MultifreqInverseMethods.html
IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society (UFFC), includes free software (http://www.ieee-uffc.org/ulmain.asp?view=software) and great links:
http://www.ieee-uffc.org/
Science education links on underwater sound:
http://oceanlink.island.net/oinfo/acoustics/acoustics.html#Anchor-Souces-49575
http://oceanexplorer.noaa.gov/explorations/sound01/background/acoustics/acoustics.html
http://www.dosits.org/science/intro.htm and links therein.
Acoustics and Observatories www.oce.uri.edu/ ao/IASOO.htm
UW:
http://depts.washington.edu/aploa/links.html
http://www.acoustics.washington.edu/
WHOI:
Acoustics ocean lab, http://www.oal.whoi.edu/
ONR:
http://www.onr.navy.mil/sci_tech/ocean/321_sensing/prog_oa.asp
Some companies manufacturing Underwater Acoustic Sensors:
BioSonics-Ecosounders to measure biota, bottom type and depth.
HTI-Acoustic tags.
Nortek-ADV's, ADCPs.
RDI-Profiling doppler current meter
Simrad-Ecosounders for fisheries and bottom research.
SonarData-Ecosounders for fisheries and bottom research.
Sontek-YSI-ADV's, ADCPs.