Optimization method of the distinguishing coefficient is set up, on the basis of the integration of genetic algorithm(GA)and the difference information entropy in grey theory.

把遗传算法和差异信息熵理论结合给出了优化分辨系数的方法。

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The time-varying and incommutable character of the coefficient matrix of periodically time-varying linear systems are the bottleneck of the design for high precision direct integration methods.

周期时变线性系统系数矩阵的时变性与不可交换性是其精细积分算法设计中的瓶颈。

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First, with the local linear method, the coefficient functions of the model are estimated, and then, with the integration method, their integrations are estimated.

首先，使用局部线性方法给出模型的系数函数的初始估计；然后使用积分方法，给出它们的积分估计；进一步，研究这些积分估计的渐近正态性。

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