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提出了一种新的模式识别建模方法-逐级投影法(hierarchical projection method),并将该方法用于二元溴化物系(MBr-M’Br_2)中间化合物形成规律的研究。在由原子键参数(z/r)_M、X_M’、I_M、I_M’,张成的多维空间中,能形成和不能形成MBr-M’Br_2系中间化合物的样本点分布在不同的区域。利用HP方法得到的超多面体模型可描述MBr-M’Br_2系中间化合物在多维空间中分布区域的边界,在此基础上预报RbBr-CaBr_2和CsBr-CaBr_2这2个熔盐体系可形成中间化合物,结果得到实验证实。
A new pattern recognition modeling method, hierarchical projection method, was proposed and applied to the study of the formation of intermediate compounds of MBr-M’Br_2. In the multi-dimensional space formed by the atomic bond parameters (z / r) _M, X_M ’, I_M, I_M’, the sample points which can form and can not form the MBr-M’Br_2 series intermediate compounds are distributed in different regions. The hyperboloid model obtained by HP method can be used to describe the boundary of MBr-M’Br_2 intermediate compounds in the multi-dimensional space. On the basis of these, it is predicted that the two compounds, RbBr-CaBr_2 and CsBr-CaBr_2, The results have been experimentally confirmed.