插值算法在辐射场重构中的应用现状

Application Status of Interpolation Algorithm in Radiation Field Reconstruction

针对插值算法影响辐射场分布的问题,对辐射场重构中的插值算法原理及应用进行梳理总结。介绍网格数据插值、有限元法、反距离权重法、克里金法、径向基函数法和神经网络逼近法等插值方法在辐射场重构中的应用现状,分析不同插值方法进行辐射场重构时的异同和特点,对插值算法在辐射场构建中的应用提出进一步展望。结果表明:插值算法能解决源项信息和环境信息未知情况下的辐射场分布问题,具有成本低、计算速度快的优势。

Aiming at the problem that interpolation algorithm affects the distribution of radiation field, the principle and application of interpolation algorithm in radiation field reconstruction are summarized. The application status of grid data interpolation, finite element method, inverse distance weighting method, Kriging method, radial basis function method and neural network approximation method in radiation field reconstruction is introduced, the similarities and differences and characteristics of different interpolation methods in radiation field reconstruction are analyzed, and the further prospect of interpolation algorithm in radiation field construction is put forward. The results show that the interpolation algorithm can solve the problem of radiation field distribution with unknown source term information and environment information, and has the advantages of low cost and fast calculation speed.