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On the extraction of atmospheric turbulence parameters from radar backscatter Doppler spectra. Part 1: Theory (1983)

Hocking, W. K.

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Publication Date: 2016-06-07

Description: A theory is developed for the extraction of r.m.s. velocities of scatterer motions from spectra measured with a Doppler backscatter radar. The effects of finite beam-widths, finite pulse lengths, beam broadening, shear broadening, and the other such spectral contaminants are considered. It is shown that these contaminants can play a major role in determining the measured spectral widths (and, equivalently, the signal fading time), and so must be properly considered if the spectral widths are to be used to extract the r.m.s. motions of the scatterers. It is also shown that these r.m.s. motions can be used to estimate turbulence intensities, in those cases where turbulence is the dominant cause of the scatterer motions.

Keywords: GEOPHYSICS

Type: Intern. Council Sci. Unions Middle Atmosphere Program, Vol. 9; p 304

Format: text

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