Computer Science
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986lara.confx....z&link_type=abstract
In NASA. Langley Research Center 13th International Laser Radar Conference 3 p (SEE N87-10263 01-35)
Computer Science
Backscattering, Optical Radar, Signal Processing, Telescopes, Wave Propagation, Homogeneity, Radiant Flux Density, Reflectance, Turbulence
Scientific paper
The effects connected with correlation of direct and backward waves propagating through the same randomly inhomogeneous media can be observed along the path with refection in a turbulent atmosphere. In particular, the mean intensity of the reflected wave can increase in comparison with the wave propagating in the forward direction at a doubled distance; the intensity fluctuations can become stronger. These effects depend on the strength of optical turbulence, as well as on the diffraction sizes of the exit apertures of the source and the reflector. However, the focusing of radiation reflected with a receiving telescope leads, in some cases, to the fact that the dependence of amplification effects on the parameters becomes essentially different. This should be taken into account when alayzing the lidar signals. The effect of backscattering amplification and amplification of the intensity fluctuations is discussed.
Banakh Viktor A.
Mironov Victor L.
Zuev A. E.
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