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为了识别混沌信号和随机信号，针对G-P算法及其改进算法的不足，提出了一种新的改进算法．该算法不仅能简化无标度区的确定过程，而且能客观地判断系统的关联维数是否饱和．仿真结果表明，新的改进算法对于混沌信号的识别是有效的．
In order to identify chaotic signals and random signals, aiming at the shortcomings of G-P algorithm and its improved algorithm, a new improved algorithm is proposed. The algorithm can not only simplify the determination process of scale-free zone, but also can objectively determine whether the system’s correlation dimension is saturated. Simulation results show that the new improved algorithm is effective for the identification of chaotic signals.