Oleg A Godin

Summary

Affiliation: National Oceanic and Atmospheric Administration
Country: USA

Publications

  1. ncbi request reprint Passive remote sensing through cross-correlation of nondiffuse ambient noise
    Oleg A Godin
    CIRES, Univ of Colorado and NOAAEarth System Res Lab, Boulder, CO 80305
    J Acoust Soc Am 125:2511. 2009
  2. ncbi request reprint Dispersion of interface waves in sediments with power-law shear speed profiles. I. Exact and approximate analytical results
    O A Godin
    NOAA Environmental Technology Laboratory, Ocean Remote Sensing Division, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 110:1890-907. 2001
  3. ncbi request reprint Calculation of amplitudes of acoustic normal modes from the reciprocity principle
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 119:2096-100. 2006
  4. ncbi request reprint Anomalous transparency of water-air interface for low-frequency sound
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, CO 80305, USA
    Phys Rev Lett 97:164301. 2006
  5. ncbi request reprint Emergence of deterministic Green's functions from noise generated by finite random sources
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, Colorado 80305, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 80:066605. 2009
  6. ncbi request reprint Recovering the acoustic Green's function from ambient noise cross correlation in an inhomogeneous moving medium
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, CO 80305, USA
    Phys Rev Lett 97:054301. 2006
  7. doi request reprint Accuracy of the deterministic travel time retrieval from cross-correlations of non-diffuse ambient noise
    Oleg A Godin
    CIRES, University of Colorado, NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 126:EL183-9. 2009
  8. doi request reprint Passive acoustic measurements of wind velocity and sound speed in air
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309
    J Acoust Soc Am 135:EL68-74. 2014
  9. doi request reprint Dissipation of acoustic-gravity waves: an asymptotic approach
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309
    J Acoust Soc Am 136:EL411. 2014
  10. doi request reprint Rayleigh scattering of a spherical sound wave
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado and NOAA Earth System Research Laboratory, Physical Sciences Division, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 133:709-20. 2013

Collaborators

Detail Information

Publications23

  1. ncbi request reprint Passive remote sensing through cross-correlation of nondiffuse ambient noise
    Oleg A Godin
    CIRES, Univ of Colorado and NOAAEarth System Res Lab, Boulder, CO 80305
    J Acoust Soc Am 125:2511. 2009
    ..Effects of finite correlation length of noise sources on GF retrieval from ambient noise are discussed. [Work supported by ONR.]...
  2. ncbi request reprint Dispersion of interface waves in sediments with power-law shear speed profiles. I. Exact and approximate analytical results
    O A Godin
    NOAA Environmental Technology Laboratory, Ocean Remote Sensing Division, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 110:1890-907. 2001
    ..M. F. Chapman and O. A. Godin, J. Acoust. Soc. Am 110, 1908 (2001)] led to a simple and robust inversion of interface wave travel times for shear velocity profiles in the sediment...
  3. ncbi request reprint Calculation of amplitudes of acoustic normal modes from the reciprocity principle
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 119:2096-100. 2006
    ..The results are shown to be identical to those derived with the traditional methods that rely on integral transforms...
  4. ncbi request reprint Anomalous transparency of water-air interface for low-frequency sound
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, CO 80305, USA
    Phys Rev Lett 97:164301. 2006
    ..The phenomenon of anomalous transparency has significant geophysical and biological implications...
  5. ncbi request reprint Emergence of deterministic Green's functions from noise generated by finite random sources
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, Colorado 80305, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 80:066605. 2009
    ..Admissible correlation ranges are limited from above by the size of the Fresnel zone at wave propagation between the points where noise cross correlation is evaluated...
  6. ncbi request reprint Recovering the acoustic Green's function from ambient noise cross correlation in an inhomogeneous moving medium
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, CO 80305, USA
    Phys Rev Lett 97:054301. 2006
    ..Measurements of the noise cross correlation allow one to quantify flow-induced acoustic nonreciprocity and evaluate both spatially averaged flow velocity and sound speed between the two points...
  7. doi request reprint Accuracy of the deterministic travel time retrieval from cross-correlations of non-diffuse ambient noise
    Oleg A Godin
    CIRES, University of Colorado, NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 126:EL183-9. 2009
    ..Here, the method of a stationary phase is applied to study the information content of the cross-correlation function of non-diffuse noise and to quantify the accuracy of passive measurements of the acoustic travel times...
  8. doi request reprint Passive acoustic measurements of wind velocity and sound speed in air
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309
    J Acoust Soc Am 135:EL68-74. 2014
    ..The accuracy of the interferometric measurements of sound speed and wind velocity is confirmed by comparison with in situ measurements of wind, air temperature, and humidity. ..
  9. doi request reprint Dissipation of acoustic-gravity waves: an asymptotic approach
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado 80309
    J Acoust Soc Am 136:EL411. 2014
    ..It is found that realistic assumptions about the atmosphere lead to rather different predictions for wave damping than do the plane-wave solutions. A modification to the Sutherland-Bass model of infrasound absorption is proposed. ..
  10. doi request reprint Rayleigh scattering of a spherical sound wave
    Oleg A Godin
    Cooperative Institute for Research in Environmental Sciences, University of Colorado and NOAA Earth System Research Laboratory, Physical Sciences Division, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 133:709-20. 2013
    ..The asymptotic expansions admit an intuitive interpretation in terms of image sources and reduce to classical results in appropriate limiting cases...
  11. ncbi request reprint Incompressible wave motion of compressible fluids
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Physical Sciences Division, Boulder, Colorado 80305, USA
    Phys Rev Lett 108:194501. 2012
    ..The solutions provide an extension of surface gravity waves in an incompressible fluid half-space with a free boundary to waves in compressible, three-dimensionally inhomogeneous, rotating fluids...
  12. doi request reprint Acoustic-gravity waves in atmospheric and oceanic waveguides
    Oleg A Godin
    CIRES, University of Colorado, and Physical Sciences Division, NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 132:657-69. 2012
    ..The Lamb wave is shown to be the only AGW normal mode that can propagate without dispersion in a layered medium...
  13. ncbi request reprint Acoustic wavefront tracing in range-dependent ocean
    Oleg A Godin
    CIRES, University of Colorado at Boulder and NOAA Earth System Research Laboratory Physical Sciences Division, Mail Code R PSD99, Boulder, CO 80305 3328
    J Acoust Soc Am 131:3391. 2012
    ..The acoustic wavefront tracing code has been benchmarked using analytic solutions of the eikonal equation. [Work supported by ONR.]...
  14. ncbi request reprint Coupled-mode sound propagation in a range-dependent, moving fluid
    Oleg A Godin
    CIRES, University of Colorado and NOAA Environmental Technology Laboratory, Boulder 80305 3328, USA
    J Acoust Soc Am 111:1984-95. 2002
    ..The mode-coupling formulation is verified against known coupled-mode equations for certain limiting cases and an exact analytic solution of a benchmark problem...
  15. doi request reprint Scattering of a spherical wave by a small sphere: an elementary solution
    Oleg A Godin
    CIRES, University of Colorado, Physical Sciences Division, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 130:EL135-41. 2011
    ..The approximate solution is obtained from asymptotic expansions of an exact solution, holds everywhere outside the sphere, and reduces to classical results due to Kelvin and Rayleigh in appropriate special cases...
  16. doi request reprint Low-frequency sound transmission through a gas-solid interface
    Oleg A Godin
    Earth System Research Laboratory, Physical Sciences Division, Cooperative Institute for Research in Environmental Sciences, University of Colorado and National Oceanic and Atmospheric Administration, Mail Code R PSD, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 129:EL45-51. 2011
    ..The anomalous transparency is made possible by power fluxes in evanescent body waves and by excitation of interface waves. Sound transmission into gas is found to be highly sensitive to absorption of elastic waves within a solid...
  17. doi request reprint Cross-correlation function of acoustic fields generated by random high-frequency sources
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 128:600-10. 2010
    ..The information content of the noise cross-correlation function is discussed from the viewpoint of passive acoustic characterization of inhomogeneous flows...
  18. ncbi request reprint An effective quiescent medium for sound propagating through an inhomogeneous, moving fluid
    Oleg A Godin
    CIRES, University of Colorado at Boulder and NOAA Environmental Technology Laboratory, Colorado 80305 3328, USA
    J Acoust Soc Am 112:1269-75. 2002
    ..Conditions are discussed under which the dependence on the propagation direction can be avoided or relaxed...
  19. doi request reprint Restless rays, steady wave fronts
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, DSRC, Mail Code R PSD99, 325 Broadway, Boulder, Colorado 80305 3328, USA
    J Acoust Soc Am 122:3353-63. 2007
    ..An intuitive physical explanation of the theoretical results is proposed. The relative stability of wave fronts compared to rays is shown to follow from Fermat's principle and dimensional considerations...
  20. doi request reprint Low-frequency sound transmission through a gas-liquid interface
    Oleg A Godin
    CIRES, University of Colorado and NOAA Earth System Research Laboratory, Boulder, Colorado 80305, USA
    J Acoust Soc Am 123:1866-79. 2008
    ..Geophysical and biological implications of anomalous transparency of water-air interface to infrasound are indicated...
  21. doi request reprint Retrieval of Green's functions of elastic waves from thermal fluctuations of fluid-solid systems
    Oleg A Godin
    CIRES, University of Colorado, Boulder, Colorado 80309 0216, USA
    J Acoust Soc Am 125:1960-70. 2009
    ..These findings suggest a possible application of ambient noise cross-correlation to passive acoustic characterization of inhomogeneous flows in fluid-solid systems in laboratory and geophysical settings...
  22. doi request reprint Wave refraction at an interface: Snell's law versus Chapman's law
    Oleg A Godin
    CIRES, University of Colorado, 216 UCB, Boulder, Colorado 80309 0216, USA
    J Acoust Soc Am 125:EL117-22. 2009
    ..It is shown that analysis of energy streamlines provides a helpful supplementary perspective on wave transmission through interfaces...
  23. doi request reprint Computing the far field scattered or radiated by objects inside layered fluid media using approximate Green's functions
    Mario Zampolli
    NATO Undersea Research Centre, Viale San Bartolomeo 400, 19126 La Spezia, Italy
    J Acoust Soc Am 123:4051-8. 2008
    ..The results are compared to validated reference models, which are based on the full wave number spectral integral Green's function...