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The study of atmospheric turbulence with an acoustic locator

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4 Author(s)
Rapoport, V. ; Radiophys. Res. Inst., Nizhny Novgorod, Russia ; Mityakov, N. ; Zinichev, V. ; Sazonov, Y.

As a rule, sodar investigations of turbulent atmosphere are based on measurements of the scattered cross section σ. Measurements of the spectrum broadening of the scattered signal provides an additional information. The authors compare scattering cross section data with spectrum broadening. The atmosphere sodar sounding was carried out in Zimenki, 25 km east of Nizhny Novgorod. The bistatic sodar with narrow (3°-5°) antenna beams has allowed the authors to carry out simultaneous measurements of scattering cross section a of acoustic signals with a wavelength λ≃0.5 m and frequency broadening of the scattered signal OF. Results have shown an essential correlation (up to 0.85) between σ and ΔF2

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Geoscience and Remote Sensing, IEEE Transactions on  (Volume:40 ,  Issue: 2 )