径向基函数在重力场建模及数据融合中的应用研究-<artentek>电子书

　　　　

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径向基函数在重力场建模及数据融合中的应用研究

作者：马志伟

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地球重力场模型通常用球谐函数进行表达，但由于球谐函数具有全局紧支撑特性，任何一个球谐系数的变化都会引起整个重力场的改变，不适用于局部重力场模型的精化。径向基函数——一种在空间域和频率域都具有良好局部化特性的函数，近些年来受到了越来越多的关注。径向基函数能够根据观测数据的空间分布、频谱特性灵活地做出调整，并可以联合多种数据共同建模，在表示局部重力场方面展现出很大的优势。本书重点探索径向基函数在融合多源重力数据和构建高精度、高分辨率地球重力场模型方面的能力。

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