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  1. No Access

    Article

    Smooth Surface Modeling of DEMs Based on a Regularized Least Squares Method of Thin Plate Spline

    Thin plate spline (TPS) has been widely accepted as a method for smooth fitting of noisy data. However, the classical TPS always has an ill-conditioning problem when two sample points are very close. Although ...

    Chuanfa Chen, Yanyan Li, Xuewei Cao, Honglei Dai in Mathematical Geosciences (2014)

  2. No Access

    Article

    Equivalent water height extracted from GRACE gravity field model with robust independent component analysis

    The Level-2 monthly GRACE gravity field models issued by Center for Space Research (CSR), GeoForschungs Zentrum (GFZ), and Jet Propulsion Laboratory (JPL) are treated as observations used to extract the equiva...

    **yun Guo, Dapeng Mu, **n Liu, Haoming Yan, Honglei Dai in Acta Geophysica (2014)