摘要
本文从球谐函数理论的物理含义、中国地磁数据的分布情况及实际计算结果的分析,提出对当前用球谐函数拟合法提取中国大陆区域地磁异常的几点认识。
On analysis of the physical significance of spherical harmonic functions, the density distribution of observed points, the accuracy 01 opservea data and the practical calculated results to geomagnetic anomalies on Chinese Continent, some points of view about the acquirement of geomagnetic anomalies on Chinese, Continent had been presented in this paper.
关键词
地磁场
提取
球谐函数
波谱
分析
spherical harmonic function, fitted field, residual field, coefficient of spherical harmonic function, wavenumber spectra analysis
