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通过对多径衰落信号本质的分析，讨论了这种信号的分形特征．多径衰落信号的形成过程是一个有限扩散凝聚模型（ＤＬＡ） ．将分形理论应用于多径衰落信号的研究，在传统的信号时序分析方法基础上，提出了一种分析多径衰落信号的新途径及其分形维数的计算方法．仿真结果表明，这种新途径和方法具有简便、准确的优点．
By analyzing the essence of multipath fading signal, the fractal characteristics of this signal are discussed. The formation of multipath fading signals is a finite diffusion coalescence model (DLA). The fractal theory is applied to the study of multipath fading signal. Based on the traditional signal timing analysis method, a new method to analyze multipath fading signal and the calculation method of its fractal dimension are proposed. Simulation results show that this new approach and method has the advantages of simplicity and accuracy.