一种时空混合插值算法及其应用A spatio-temporal hybrid interpolation method and its application
张仲荣,王亚领,闫浩文
摘要(Abstract)：
针对传统的时空克里格算法的精度受到时空变异函数的影响,而时空变异函数理论模型的选择常受主观因素影响和理论半变异函数局限,没有普适性的建模方法;加之参数较多估计困难,致使插值精度不高的问题,该文提出一种普适性的基于广义回归神经网络自适应时空克里格插值变异函数拟合方法,在此基础上建立了广义回归神经网络与时空克里格结合的新颖时空混合插值算法。通过与传统插值方法在民勤县地下水埋深插值中的比较研究表明,该时空混合插值算法的插值精度显著提高,并且是一个普适性的插值法。
关键词(KeyWords)： 时空克里格;变异函数;插值精度;普适性;广义回归神经网络
基金项目(Foundation): 国家自然科学基金项目(41371435,61364001,71563025)
作者(Author): 张仲荣,王亚领,闫浩文
DOI: 10.16251/j.cnki.1009-2307.2016.12.052
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