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系统讨论了最大熵谱分析法（ＭＥＭ）Ⅰ和Ⅱ及Ｓｈｏｒｅ和 Ｔｚａｎｎｅｓ的最小交叉熵 谱法（ＭＣＥＭ）的信号模型，使之对这些熵谱估计的信号模型及相互关系更加清楚， 并便于进行其谱估计。
The signal models of maximum entropy spectrum analysis (MEM) Ⅰ and Ⅱ and Shore and Tzannes minimum cross-entropy spectroscopy (MCEM) are systematically discussed to make the signal model and correlation of these entropy spectrum estimations clearer and easier to carry out Its spectrum estimation.