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ALGORITHMS AND INTERFACE FOR OCEAN …
https://www.researchgate.net/profile/Ramana-Murty-Tv/publication/27667693_Algorithms_and_interface_for_ocean_acoustic_ray-tracing_Developed_in_MATLAB/links/0deec52e0ed8fcc83d000000/Algorithms-and-interface-for-ocean-acoustic-ray-tracing-Developed-in-MATLAB.pdf
s = paths(:,1); z = -paths(:,5); t = paths(:,3); a = paths(:,4); [n,m] = size(paths); plot(s*180/pi,z,color); PLOTBATH.M. function plotbath(btab,color) % % function plotbath(btab,color) % % plots ...
Algorithms and interface for ocean acoustic ray-tracing …
https://drs.nio.org/drs/handle/2264/915
Abstract. An integrated friendly-user interactive ocean application package has been developed for computation of eigenrays for a given source - receiver configuration and subsurface and bottom environmental conditions utilizing the ray theory in MATLAB to study the Ocean Acoustic Propagation Characteristics (OAPS). This package facilitates automatic Graphical …
Ray Tracing for Ocean Acoustic Tomography
http://oalib.hlsresearch.com/Rays/tech_report3.pdf
These sub- routines use only two differential equations in tangent of ray angle and ray depth. If tn=tan(θ), then these equations are dtn dr =(1+tn2) ∂z′c c (B1a) dz dr =tn (B1b) dt dr = √ 1 +tn2. c (B1c) The subroutine used to find the eigenray ray launch angles isfind_arr.f.
Ray Trace Modeling of Underwater Sound Propagation
https://cdn.intechopen.com/pdfs/45578/InTech-Ray_trace_modeling_of_underwater_sound_propagation.pdf
A simple receipt for a ray tracing algorithm is to divide the whole water column into a large number of layers, each with the same thickness z. Within each layer, the sound speed profile is approximated as linear so that, in the layer zi< z < zi+1, the sound speed is taken to be cz c g z z ii i .
Ray Trace Modeling of Underwater Sound Propagation
https://www.intechopen.com/chapters/45578
A simple receipt for a ray tracing algorithm is to divide the whole water column into a large number of layers, each with the same thickness Δ z. Within each layer, the sound speed profile is approximated as linear so that, in the layer z i < z < z i +1, the sound speed is taken to be. c ( z) = c i + g i ( z − z i) .
(PDF) Ocean acoustical ray-tracing software RAY
https://www.researchgate.net/publication/33547627_Ocean_acoustical_ray-tracing_software_RAY
Abstract and Figures. A new computer program for accurate calculation of acoustic ray paths through a range-varing ocean sound channel has been written. It is based on creating a …
CHAPTER I OCEAN ACOUSTICS 1.1 GENERAL …
https://www.niot.res.in/COAT/coat_pdf/CHAP%20I%20-%20Ocean%20Acoustics.pdf
1.3 OCEAN ACOUSTICS ENVIRONMENT 1.3.1 SOUND SPEED The most important parameter that affects the propagation of acoustic waves within ocean is the speed of sound (c) which has a nominal value of 1500 m/s. Density variations also influence acoustic propagation, but these are negligibly small over the
Computational Ocean Acoustics (13.853) - MIT …
https://ocw.mit.edu/courses/mechanical-engineering/2-068-computational-ocean-acoustics-13-853-spring-2003/lecture-notes/lect_101.pdf
Fundamentals of Ocean Acoustics 2 The Acoustic Wave Equation, Integral Transforms, The Helmholtz Equation 3 Sources in Unbounded and Bounded Media, Green’s Functions, Green’s Theorem 4 Reflection and Transmission, Integral Transform Solution, Source in Half-spaces 5 Ideal Waveguides, The Pekeris Waveguide 6
(PDF) Understanding Ocean Acoustics by Eigenray Analysis
https://www.researchgate.net/publication/332657212_Understanding_Ocean_Acoustics_by_Eigenray_Analysis
PlaneRay is a ray-tracing program for modelling underwater acoustic propagation that can treat moderately range-varying scenarios and has capabilities much like Bellhop. The calculation starts
Ray Models - HLS Research
http://oalib.hlsresearch.com/Rays/
HARPO--- A 3D ray-tracing program for acoustic waves in the ocean (R.M. Jones, J.P. Riley, and T.M. Georges, National Oceanic and Atmospheric Administration) HWT_3D_mm--- Huygens Wavefront Tracing in 3D for moving media (New September 2013) (Nikolay Zabotin, Oleg A. Godin, and Liudmila Ye. Zabotina, National Oceanic and Atmospheric Administration)
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