as for the characters of the doppler radar radial velocity data, the single variable background error covariance is used. and the anisotropic covariance function is adopted in the horizontal plane.
其根据多普勒雷达径向速度资料的特点,水平方向采用非各向同性的单变量背景场误差协方差函数。
the influence of turbulence strength, wavelength and propagating distance on the covariance function and normalized variance of the scattering intensity is discussed.
讨论了不同湍流强度、波长和传播距离对强度协方差函数和归一化强度方差的影响。
by the analysis of airborne gravity measurement data, this paper constructs a space covariance function model with spatial characteristics.
本文通过对航空重力测量数据的分析,建立起具有空间相关特性的空间协方差函数模型。
on the basis of the theory of least-squares collocation (lsc), the approach used to define a local covariance function is described.
从最小二乘配置方法的原理出发,描述了最小二乘配置法中经验协方差函数的确定方法。
however, some problems, 'such as determination of covariance function, reliabi1ity of covariance function and 「intrinsic imperfection」 of col1ocation, restricted using of collocation.
according to the markov approximation under a long haul condition, we get the inter-correlation function, log-amplitude and phase covariance function .
通过长程情况下的马尔科夫近似,得到了互相关函数,对数振幅和相位协方差函数。
applying a new prior covariance function the integrals along a great circle path is easy to compute.
在反演中引入新的先验协方差函数,使得沿大圆路径积分较为容易;
the method for covariance function fitting in collocation is discussed and influences of the uncertainty of the covariance function are analyzed.