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- W177540979 abstract "A technique is presented with which to analyze particle flux data in order to resolve features in the pitch angle distribution which are smaller than the angular response width of the detector. This process uses a large number of data points which overlap in pitch angle to construct a maximum entropy criterion for the true angular distribution at constant energy. Statistical arrors in the measured fluxes are allowed by the inclusion of a Chi-squared constraint in the calculation. Example electron distribution functions computed from SCATHA observation show loss cone gradients with widths of less than two degrees, with an instrument response of approximately six degrees. Models of both the original and the restored distributions are constructed as sums of bi-Maxwellians. The differences in the electrostatic stability of these models due to changes in the velocity gradients are discussed. This analysis may have applications for estimating beam, conic, and loss cone features in particle velocity distributions throughout the ionosphere and magnetosphere with significant consequences for wave-particle interactions." @default.
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- W177540979 date "1986-11-01" @default.
- W177540979 modified "2023-09-24" @default.
- W177540979 title "Restoration of particle pitch angle distribution functions by a maximum entropy algorithm" @default.
- W177540979 hasPublicationYear "1986" @default.
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