Bremsstrahlung radiation coming from the solar atmosphere is linked to the distribution function of electrons in the solar plasma through a Volterra equation of the first kind. We have assumed the Bethe-Heitler approximation for the bremsstrahlung cross section and we have applied the SVD method to the integral equation with discrete data. Using Tikhonov's regularisation technique, reconstructions of the electronic distribution functions have been obtained, both for simulated and real data.
Inversion of bremsstrahlung spectra emitted by solar plasma
PIANA, MICHELE
1994-01-01
Abstract
Bremsstrahlung radiation coming from the solar atmosphere is linked to the distribution function of electrons in the solar plasma through a Volterra equation of the first kind. We have assumed the Bethe-Heitler approximation for the bremsstrahlung cross section and we have applied the SVD method to the integral equation with discrete data. Using Tikhonov's regularisation technique, reconstructions of the electronic distribution functions have been obtained, both for simulated and real data.
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