...lation Method）将观测数据的离散点转化为连续光滑曲线，以真实反映动态过程，再用数值微分法（Numerical Differential Method）直接求得瞬时生长速率(instantaneous growth rate，vinst)。
基于14个网页-相关网页
numerical method for differential equations 数值方法 ; 微分方程数值解法
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
从建立观测方程的角度来说，主要研究了三种恢复地球重力场的方法：(1)数值微分法，(2)能量守恒法，(3)数值积分法。
Numerical differential method and energy balance approach are applied respectively to recover the geopotential coefficients until 50 degree based on the simulated observation datum of CHAMP.
基于模拟的CHAMP卫星观测数据，分别用数值微分法和能量守恒法恢复50阶次的重力位系数。
应用推荐