FUNDAMENTALNAYA
I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

1999, VOLUME 5, NUMBER 2, PAGES 503-526

**On the problem of electron density profile reconstruction for layered
plasma**

V. E. Kunitsyn

I. A. Nesterov

Abstract

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There are thin areas in frequency domain near quasi-resonance levels
where the reflection coefficient changes considerably when the
potential is large and nonmonotonic; only quite far from these areas
and critical frequencies the WKB approach is satisfactory.
When the potential grows then these areas become more and more thin
(exponentially) so it is impossible to observe all the resonances and
to get the full information about the potential.
The nonuniqueness of the inverse problem arises.
On the other hand if the parameters of all resonances are known then
the reconstruction of nonmonotonic profiles is possible.
The approximate methods are proposed for solving forward and inverse
problems.

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Location: http://mech.math.msu.su/~fpm/eng/99/992/99209h.htm

Last modified: July 6, 1999