正弦信号波形参数拟合求解的混合优化算法

Hybrid Optimization Algorithm for Curve-fit Model of Sinusoid Wave Parameters

介绍了当前正弦曲线拟合法参数求解过程 ,从理论上对求解的关键问题进行了分析 ,提出了基于遗传算法和单纯形法的正弦曲线拟合求解方法。实验结果表明 :该混合优化算法能够在参数初值范围较大的情况下快速、精确求得目标函数的全局最优解 ,获得正弦信号模型的波形参数。

How to solve the sinusoid curve-fit equation current ly is introduced in this paper, and a new method, which is based on Genetic Algori thms and Simplex Method, is proposed according to theoretical analysis of the ke y issue in the process of curve fitting. It is validated by experiment that the hybrid algorithm can find the optimized parameters of the objective function fas t and precisely. By this means, the waveform parameters of sinusoid model are ac hieved.