三维变分方法因为省时易用被世界各国的业务中心广泛使用。近年来,进化算法凭借其在求解数值优化方面的优越性,已被应用到变分同化方法中。将协同进化算法应用到气象资料同化中,利用多种群合作的思想,对目标函数进行优化。通过协同的思想使得最优分析场进一步向真实场逼近,取得更好的资料同化效果。 Three-dimensional variation method is widely used by the business centers of all countries in the world because of its time-saving and easy-to-use. In recent years, evolutionary algorithms have been applied to variational assimilation methods because of their superiority in solving numerical optimization. The co-evolutionary algorithm is applied to meteorological data assimilation, and the objective function is optimized by the idea of ​​multi-population cooperation. Through the synergetic thought, the optimal analysis field can be further approximated to the real field and a better data assimilation effect can be obtained.