关键词: two-dimensional tabulated function, secondary energy distubution, secondary angular distribution, Cartesian interpolation, non-Cartesian interpolation, evaluated nuclear data library

Abstract: Unreasonable spectrum shape is often obtained from a simple Cartesian interpolation scheme for two-dimensional functions. A unified non-Cartesian interpolation scheme which may have no such trouble,has been proposed. Additional data required for the new method have been discussed.

Key words: two-dimensional tabulated function, secondary energy distubution, secondary angular distribution, Cartesian interpolation, non-Cartesian interpolation, evaluated nuclear data library