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: http://acs366.phys.msu.su/isna16/Abstracts/LowFrequencyBackscatteringFromFocalAreaofFocusedBeam.htm
Дата изменения: Wed Jul 10 21:28:23 2002 Дата индексирования: Mon Oct 1 21:21:42 2012 Кодировка: |
Abstract |
Low-Frequency Backscattering From Focal
Area of Focused Beam
D.A.Kas'yanov, G.M.Shalashov
(Radiophysics Research Institute, Nizhny Novgorod, Russia)
e-mail:
kasd@nirfi.sci-nnov.ru
The
report demonstrates experimental investigating of low-frequency diffraction
from focal area of various focused beams. Particularly, data are presented on
broad-angle diffraction of the result of initial signal (radiopulse) nonlinear
transformation in focal area of convergent spherical wave front and cylindrical
divergent focused wave front. It is shown, that not only effective nonlinear
parameters data could be used but it is possible exact focus location
investigating.
Section
: 4