Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Lyudmila G. Shamanaeva"'
Publikováno v:
SPIE Proceedings.
Results of experimental and theoretical investigations into the characteristics of acoustic signals generated by high-power pulsed laser radiation (HPLR) propagating in under-breakdown regime through the atmosphere are presented. The amplitudes and s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2dce68447632377d8532635592bd3ed
https://doi.org/10.1117/12.606341
https://doi.org/10.1117/12.606341
Publikováno v:
SPIE Proceedings.
Opto-acoustic phenomena accompanying the propagation of high-power pulsed laser radiation in the atmosphere are used for remote determination of the energetic and geometric parameters of laser radiation. The amplitudes and shapes of acoustic pulses h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::addf5a8aaa5d3a1773ec3e60de987f7b
https://doi.org/10.1117/12.462631
https://doi.org/10.1117/12.462631
Autor:
Lyudmila G. Shamanaeva
Publikováno v:
SPIE Proceedings.
Based on the method suggested by the author, the data of acoustic sounding with the Zvuk-2 three-channel Doppler sodar with operating frequency 1700 Hz capable of measuring the backscattered signal power are interpreted. A closed iterative algorithm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d34500f2f170316d104e6e147da08cb6
https://doi.org/10.1117/12.411960
https://doi.org/10.1117/12.411960
Autor:
Lyudmila G. Shamanaeva
Publikováno v:
SPIE Proceedings.
A new method of simultaneous acoustic sounding of vertical profiles of the thermal and velocity structure parameters and the outer scale of turbulence in the atmospheric boundary layer is suggested. The method was used to process the velocity and bac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4886764be3611ab776f4e7d6c0cace1c
https://doi.org/10.1117/12.370513
https://doi.org/10.1117/12.370513
Publikováno v:
SPIE Proceedings.
A new method has been suggested for reconstruction of raindrop size distribution and rain intensity from the normalized spectra of acoustic signals measured with a cw bistatic Doppler sodar. A data processing algorithm has been constructed and succes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dd0c1602ca58a0f45de6b044205ca6d
https://doi.org/10.1117/12.337051
https://doi.org/10.1117/12.337051
Publikováno v:
SPIE Proceedings.
Optical breakdown is of importance from the viewpoint of determination of maximum energy of high-power lasers which the atmosphere can withstand as a medium of propagation. In this work we generalize the results of our investigations of the developme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2ee978a30e8ad225bb828e41ca2af75
https://doi.org/10.1117/12.178023
https://doi.org/10.1117/12.178023
Publikováno v:
The Journal of the Acoustical Society of America. 105:1380-1380
The vertical profiles of the structural characteristics of temperature and wind velocity fields and longitudinal and transverse structure functions of the wind velocity field measured with the Zvuk‐2 three‐channel Doppler sodar are presented for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::355c2ac589cb0d38d136195e050b18ad
https://doi.org/10.1121/1.426525
https://doi.org/10.1121/1.426525
Publikováno v:
The Journal of the Acoustical Society of America. 105:1379-1379
The coefficients and phase functions of sound scattering by a single rigid spherical particle whose parameter Mie changes in a wide range have been calculated with the use of exact formulas of the Mie scattering theory. Analytical expressions are giv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21e00dbdfd49b1ad8316efae001b3981
https://doi.org/10.1121/1.426521
https://doi.org/10.1121/1.426521
Autor:
Lyudmila G. Shamanaeva
Publikováno v:
The Journal of the Acoustical Society of America. 105:1378-1378
Experimental investigations of sound pulse generation accompanying the propagation of high‐power pulsed laser radiation in the atmosphere were started at the IAO SB RAS in 1986. Based on these investigations, new opto‐acoustic methods of sounding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49181a6da2900a768e36268cee8e89c9
https://doi.org/10.1121/1.426518
https://doi.org/10.1121/1.426518
Autor:
Lyudmila G. Shamanaeva
Publikováno v:
The Journal of the Acoustical Society of America. 84:713-718
The numerical solution of the scalar wave equation is generalized for the case of a polydispersed medium. The analytical expressions are given for the dependence of sound extinction on the intensity of rain and acoustic frequency. The method of acous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f6adebe1a5b3525dc72d278e0b82973
https://doi.org/10.1121/1.396851
https://doi.org/10.1121/1.396851