分析了等效系统参数辨识方法，采用最小二乘法与频域极大似然法求解先进飞机的低阶等效系统。
The methods of parameters identification are analyzed and low-order equivalent system is identified by frequency domain maximum likelihood method and least square method.
采用混合分布理论与极大似然法，拓展了适用于双单倍体群体（DH）和重组近交系（RIL）群体的质量-数量性状的遗传分析方法。
Using the mixture distribution model and the method of maximum likelihood, we developed the method for the genetic analysis of qualitative quantitative traits with use of DH and RIL data.
采用混合分布理论与极大似然法，拓展了适用于双单倍体群体（DH）和重组近交系（RIL）群体的质量-数量性状的遗传分析方法。
Using the mixture distribution model and the method of maximum likelihood, we developed the method for the genetic analysis of qualitative quantitative traits with use of DH and RIL data.
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