A novel gradient constraint equation was obtained through analyzing the error of temporal gradient.
通过对时间梯度误差的分析，得到了新的梯度约束方程；
2
Modelling tests are made in this paper to check the error subtraction scheme of the pressure gradient force in models with topography developed by the authors.
本文则用气候模式对作者提出的有地形数值模式中气压梯度力的误差扣除法进行了模拟检验。
3
If the scatter selected in phase gradient algorithm(PGA) algorithm is not isolated, the accuracy of the phase error estimation will be degraded.